77.140.80 (Iron and steel castings) 标准查询与下载

ASTM A148/A148M-03 结构用高强度钢铸件标准规范

1.1 This specification covers carbon steel, alloy steel, and martensitic stainless steel castings that are to be subjected to higher mechanical stresses than those covered in Specification A27/A27M. 1.2 Several grades of steel castings are covered, having the chemical composition and mechanical properties prescribed in Table 1 and Table 2. 1.3 The values stated in inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

Standard Specification for Steel Castings, High Strength, for Structural Purposes

ASTM A48/A48M-03(2012) 灰铸铁件标准规格

1.1 This specification covers gray iron castings intended for general engineering use where tensile strength is a major consideration. Castings are classified on the basis of the tensile strength of the iron in separately cast test bars. 1.1.1 This specification subordinates chemical composition to tensile strength. 1.2 Castings produced to this specification are graded on the basis of minimum tensile strength obtained in special test coupons designed to standardize cooling rate. The tensile strength developed in certain casting sections may vary from test coupon values (see X1.2). 1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

Standard Specification for Gray Iron Castings

ASTM A351/A351M-03 压力部件用奥氏体,奥氏体-铁素体(双相)铸件标准规范

1.1 This specification covers austenitic and austenitic-ferritic (duplex) steel castings for valves, flanges, fittings, and other pressure-containing parts (Note 1).Note 18212;Carbon steel castings for pressure-containing parts are covered by Specification A 216/A 216M, and low-alloy steel castings by Specification A 217/A 217M. 1.2 A number of grades of austenitic and austenitic-ferritic steel castings are included in this specification. Since these grades possess varying degrees of suitability for service at high temperatures or in corrosive environments, it is the responsibility of the purchaser to determine which grade shall be furnished. Selection will depend on design and service conditions, mechanical properties, and high-temperature or corrosion-resistant characteristics, or both.1.2.1 Because of thermal instability, Grades CE20N, CF3A, CF3MA, and CF8A are not recommended for service at temperatures above 800176;F [425176;C].1.2.2 Because of embrittlement phases, Grade CD4MCu is not recommended for service at temperatures above 600176;F [316176;C].1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

Standard Specification for Castings, Austenitic, Austenitic-Ferritic (Duplex), for Pressure-Containing Parts

ASTM A389/A389M-03(2007) 适用于高温环境的承压部件用特殊热处理合金钢铸件的标准规范

1.1 This specification covers alloy steel castings, which have been subjected to special heat treatment, for valves, flanges, fittings, and other pressure-containing parts (Note 1) intended primarily for high-temperature service. 1.2 The high-temperature properties of the materials covered in this specification are dependent upon special heat treatment that is required. Although the high-temperature properties are not specified, they are implied by control of chemistry, heat treatment, and room-temperature properties. 1.3 Two grades of ferritic alloy steel are covered (Note 2). Selection will depend on the design and service conditions, mechanical properties, and high-temperature characteristics. Note 1-Carbon steel castings for pressure-containing parts are covered by Specification A 216/A 216M. Alloy steel castings are covered by Specification A 217/A 217M.Note 2-The grades covered by this specification represent materials that are generally suitable for assembly with other castings or wrought steel parts by fusion welding. It is not intended to imply that these grades possess equal degrees of weldability; therefore, it is the responsibility of the purchaser to establish for himself a suitable welding technique. Since these grades possess varying degrees of suitability for resistance to oxidation and for high-temperature service, it is also the responsibility of the purchaser to determine which grade shall be furnished, due consideration being given to the requirements of the applicable construction codes. 1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

Standard Specification for Steel Castings, Alloy, Specially Heat-Treated, for Pressure-Containing Parts, Suitable for High-Temperature Service

ASTM A389/A389M-03 适用于高温作业的压力部件用经过特殊热处理的钢铸件的标准规范

1.1 This specification covers alloy steel castings, which have been subjected to special heat treatment, for valves, flanges, fittings, and other pressure-containing parts (Note 1) intended primarily for high-temperature service. 1.2 The high-temperature properties of the materials covered in this specification are dependent upon special heat treatment that is required. Although the high-temperature properties are not specified, they are implied by control of chemistry, heat treatment, and room-temperature properties. 1.3 Two grades of ferritic alloy steel are covered (Note 2). Selection will depend on the design and service conditions, mechanical properties, and high-temperature characteristics. Note 1 -- Carbon steel castings for pressure-containing parts are covered by Specification A216/A216M. Alloy steel castings are covered by Specification A217/A217M. Note 2 -- The grades covered by this specification represent materials that are generally suitable for assembly with other castings or wrought steel parts by fusion welding. It is not intended to imply that these grades possess equal degrees of weldability; therefore, it is the responsibility of the purchaser to establish for himself a suitable welding technique. Since these grades possess varying degrees of suitability for resistance to oxidation and for high-temperature service, it is also the responsibility of the purchaser to determine which grade shall be furnished, due consideration being given to the requirements of the applicable construction codes. 1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

Standard Specification for Steel Castings, Alloy, Specially Heat-Treated, for Pressure-Containing Parts, Suitable for High-Temperature Service

ASTM A27/A27M-03 钢铸件 碳素的一般应用标准规范

1.1 This specification covers carbon steel castings for general applications that require up to 70 ksi [485 MPa] minimum tensile strength. Note 18212;The grades covered by this specification represent materials that are suitable for assembly with other steel castings or wrought steel parts by fusion welding. It is not intended to imply that all these grades possess the same degree of weldability or that the same welding techniques can be used on all castings. It is the responsibility of the purchaser to establish for himself a suitable welding technique. 1.2 Several grades and two classes of steel castings are covered, as indicated below. The grade and class desired shall be specified by the purchaser. 1.2.1 Grade N-18212;Chemical analysis only.1.2.2 Grade N-28212;Heat-treated but not mechanically tested. 1.2.3 Grade U-60-30 [415-205]8212;Mechanically tested but not heat-treated. 1.2.4 Grades 60-30 [415-205], 65-35 [450-240], 70-36[485-250], and 70-40 [485-275]8212;Heat-treated and mechanically tested. 1.2.5 Class 1 and Class 2 steel castings shall be specified in accordance with 9.2.1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. Inch-pound units are applicable for material ordered to Specification A 27 and SI units for material ordered to Specification A 27M.

Standard Specification for Steel Castings, Carbon, for General Application

ASTM A781/A781M-03a 标准规范铸件 钢和合金 通用要求 一般工业用

1.1 This specification covers a group of requirements that are mandatory requirements of the following steel casting specifications issued by ASTM. If the product specification specifies different requirements, the product specification shall prevail.ASTM Designation Title of SpecificationA 27/A 27M Steel Castings, Carbon, for General ApplicationA 128/A 128MSteel Castings, Austenitic ManganeseA 148/A 148MSteel Castings, High-Strength, for Structural PurposesA 297/A 297M Steel Castings, Iron Chromium and Iron-Chromium-Nickel, Heat Resistant for General ApplicationA 447/A 447M Steel Castings, Chromium-Nickel-Iron Alloy (25-12 Class), for High-Temperature Service A 486/A 486MSteel Castings, for Highway BridgesA 494/A 494MCastings, Nickel and Nickel Alloy A 560/A 560MCastings, Chromium-Nickel Alloy A 743/A 743MCastings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application A 744/A 744M Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe ServiceA 747/A 747M Steel Castings, Stainless, Precipitation HardeningA 890/A 890M Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General ApplicationA 915/A 915MSteel Castings, Carbon and Alloy, Chemical Requirements Similar to Standard Wrought GradesA 958Steel Castings, Carbon and Alloy, with Tensile Requirements, Chemical Requirements Similiar to Standard Wrought GradesA 1002Castings, Nickel-Aluminum Ordered Alloy1.2 This specification also covers a group of supplementary requirements that may be applied to the above specifications as indicated therein. These are provided for use when additional testing or inspection is desired and apply only when specified individually by the purchaser in the order.1.3 The requirements of the individual material specification, and this general specification shall prevail in the sequence named.1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. Inch-pound units are applicable for material ordered to Specification A 781 and SI units for material ordered to Specification A 781M.

Standard Specification for Castings, Steel and Alloy, Common Requirements, for General Industrial Use

ASTM A897/A897M-03 奥氏体回火球墨铸铁件标准规格

1.1 This specification covers ductile iron castings that are subsequently heat treated by an austempering process as defined in 10.1.1.2 The application of the austempering heat treatment extends the range of properties achievable in ductile iron castings.1.3 No precise quantitative relationship can be stated between the properties of the iron in various locations of the same casting or between the properties of castings and those of a test specimen cast from the same iron (see ). However, austempering heat treatment will tend to diminish any differences in mechanical properties.1.4 The production of castings, machining (if required), and the austempering heat treatments may be performed by different manufacturers, as covered in Section . The purchaser should establish by contract agreement, at the time of ordering, the responsibility of the various parties for meeting the specification requirements.1.5 The values stated in either inch-pound or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets [ ]. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

Standard Specification for Austempered Ductile Iron Castings

ASTM A732/A732M-02 一般用途熔模铸造碳钢和低合金钢及高温用高强度钴合金钢铸件标准规范

1.1 This specification covers carbon and low-alloy steel castings made by the investment casting process. 1.2 Fifteen grades of steel and two cobalt alloy grades are covered (see Appendix). Note 18212;An investment casting is one that is produced in a mold, obtained by investing (surrounding) an expendable pattern with a refractory slurry which is allowed to solidify. The expendable pattern may consist of wax, plastic, or other material and is removed by heating prior to filling the mold with liquid metal. 1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

Standard Specification for Castings, Investment, Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures

ASTM A703/A703M-02 钢铸件标准规范 压力容器的一般要求

1.1 This specification covers a group of common requirements that, unless otherwise specified in an individual specification, shall apply to steel castings for pressure-containing parts under each of the following ASTM specifications: Title of SpecificationASTM Designation Steel Castings, Carbon, Suitable for Fusion Welding A 216/A 216Mfor High-Temperature ServiceSteel Castings, Martensitic Stainless and Alloy, for A 217/A 217MPressure-Containing Parts Suitable for High-Temperature Service Steel Castings, Austenitic, for High-Temperature A 351/A 351M Service Steel Castings, Ferritic and Martensitic, for Pressure- A 352/A 352M Containing Parts Suitable for Low-Temperature Service Steel Castings, Alloy, Specially Heat-Treated, for A 389/A 389MPressure-Containing Parts, Suitable for High-Temperature Service Steel Castings Suitable for Pressure Service A 487/A 487M1.2 This specification also covers a group of supplementary requirements which may be applied to the above specifications as indicated therein. These are provided for use when additional testing or inspection is desired and apply only when specified individually by the purchaser in the order.1.3 In case of conflict between the requirements of the individual specification and this general specification, the former shall prevail.1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. Inch-pound units are applicable for material ordered to Specification A 703 and SI units for material ordered to Specification A 703M.

Standard Specification for Steel Castings, General Requirements, for Pressure-Containing Parts

ASTM A217/A217M-02 适用于高温条件的承压部件用马氏体不锈钢和合金钢铸件标准规范

1.1 This specification covers martensitic stainless steel and alloy steel castings for valves, flanges, fittings, and other pressure-containing parts (Note 1) intended primarily for high-temperature and corrosive service (Note 2). 1.2 One grade of martensitic stainless steel and nine grades of ferritic alloy steel are covered. Selection will depend on design and service conditions, mechanical properties, and the high-temperature and corrosion-resistant characteristics (Note 3). Note 18212;Carbon steel castings for pressure-containing parts are covered by Specification A216/A216M. Low alloy quench-and-tempered grades equivalent to Specification A217/A217M grades may be found in both Specifications A352/A352M and A487/A487M. Note 28212;The grades covered by this specification represent materials that are generally suitable for assembly with other castings or wrought steel parts by fusion welding. It is not intended to imply that these grades possess equal degrees of weldability; therefore, it is the responsibility of the purchaser to establish for himself a suitable welding technique. Since these grades possess varying degrees of suitability for high-temperature and corrosion-resistant service, it is also the responsibility of the purchaser to determine which grade shall be furnished, due consideration being given to the requirements of the applicable construction codes.Note 38212;The committee formulating this specification has included nine grades of materials that are considered to represent basic types of ferritic alloy steels suitable for valves, flanges, fittings, and other pressure-containing parts. Additional alloy steels that may better fulfill certain types of service will be considered for inclusion in this specification by the committee as the need becomes apparent. 1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. Inch-pound units are applicable for material ordered to Specification A217 and SI units for materials ordered to Specification A217M.

Standard Specification for Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service

ASTM A148/A148M-02 结构用高强度钢铸件标准规范

1.1 This specification covers carbon steel, alloy steel, and martensitic stainless steel castings that are to be subjected to higher mechanical stresses than those covered in Specification A27/A27M. 1.2 Several grades of steel castings are covered, having the chemical composition and mechanical properties prescribed in Table 1 and Table 2. 1.3 The values stated in inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

Standard Specification for Steel Castings, High Strength, for Structural Purposes

ASTM A897/A897M-02 等温淬火球墨铸铁件标准规格

1.1 This specification covers ductile iron castings that are subsequently heat treated by an austempering process as defined in 8.1.1.2 The application of the austempering heat treatment extends the range of properties achievable in ductile iron castings.1.3 No precise quantitative relationship can be stated between the properties of the iron in various locations of the same casting or between the properties of castings and those of a test specimen cast from the same iron (see Appendix X1). However, austempering heat treatment will tend to diminish any differences in mechanical properties.1.4 The production of castings, machining (if required), and the austempering heat treatments may be performed by different manufacturers, as covered in Section 13. The purchaser should establish by contract agreement, at the time of ordering, the responsibility of the various parties for meeting the specification requirements.1.5 The values stated in either inch-pound or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

Standard Specification for Austempered Ductile Iron Castings

ASTM A781/A781M-02 标准规范铸件 钢和合金 通用要求 一般工业用

1.1 This specification covers a group of requirements that are mandatory requirements of the following steel casting specifications issued by ASTM. If the product specification specifies different requirements, the product specification shall prevail.ASTM Designation Title of SpecificationA27/A27M Steel Castings, Carbon, for General ApplicationA128/A128MSteel Castings, Austenitic ManganeseA148/A148MSteel Castings, High-Strength, for Structural PurposesA297/A297M Steel Castings, Iron Chromium and Iron-Chromium-Nickel, Heat Resistant for General ApplicationA447/A447M Steel Castings, Chromium-Nickel-Iron Alloy (25-12 Class), for High-Temperature Service A486/A486MSteel Castings, for Highway BridgesA494/A494MCastings, Nickel and Nickel Alloy A560/A560MCastings, Chromium-Nickel Alloy A743/A743MCastings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application A744/A744M Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe ServiceA747/A747M Steel Castings, Stainless, Precipitation HardeningA890/A890M Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General ApplicationA915/A915MSteel Castings, Carbon and Alloy Chemical A958Steel Castings, Carbon and Alloy, with Tensilve Requirements, Chemical Requirements Similar to Standard Wrought GradesA1002Castings, Nickel-Aluminum Ordered Alloy1.2 This specification also covers a group of supplementary requirements that may be applied to the above specifications as indicated therein. These are provided for use when additional testing or inspection is desired and apply only when specified individually by the purchaser in the order. 1.3 The requirements of the individual material specification, and this general specification shall prevail in the sequence named. 1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. Inch-pound units are applicable for material ordered to Specification A781 and SI units for material ordered to Specification A781M.

Standard Specification for Castings, Steel and Alloy, Common Requirements, for General Industrial Use

ASTM A451/A451M-02 用于高温服务的离心铸造奥氏体钢管的标准规范

1.1 This specification covers austenitic alloy steel pipe for use in high-temperature, corrosive, or nuclear pressure service. 1.2 Several grades of austenitic stainless steel are covered as indicated in Table 1. 1.3 Optional supplementary requirements are provided when additional testing may be required.1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exactly equivalents; therefore, each system must be used independently of each other. Combining values from the two systems may result in nonconformance with the specification.Note 18212This specification is not intended to cover centrifugal pipe made from alloys containing more than 0.20 % carbon, such as are covered by Specification A 297.

Standard Specification for Centrifugally Cast Austenitic Steel Pipe for High-Temperature Service

ASTM A800/A800M-01 含铁素体和奥氏体不锈钢铸件铁素体含量的估算

1.1 This practice covers procedures and definitions for estimating ferrite content in certain grades of austenitic iron-chromium-nickel alloy castings that have compositions balanced to create the formation of ferrite as a second phase in amounts controlled to be within specified limits. Methods are described for estimating ferrite content by chemical, magnetic, and metallographic means. 1.2 The grades covered by this practice are: CF-3, CF-3A, CF-8, CF-8A, CF-3M, CF-3MA, CF-8M, CF-8C, CG-8M, and CH-10. 1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the practice. 1.4 This standard does not purport to address the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use .

Standard Practice for Steel Casting, Austenitic Alloy, Estimating Ferrite Content Thereof

ASTM A278/A278M-01(2006) 650°F(350℃)以下条件用压力部件用灰口铸铁件标准规范

1.1 This specification covers gray iron for castings suitable for pressure-containing parts for use at temperatures up to 650176F (350176C).1.2 Classes of Iron: 1.2.1 Castings of all classes are suitable for use up to 450176F (230176;C). For temperatures above 450176F and up to 650176F, only Class 40, 45, 50, 55, and 60 castings are suitable. 1.2.2 Castings of all clases are suitable for use up to 230176;C. For temperatures above 230176;C and up to 350176;C, only Class 275, 300, 325, 350, 380, and 415 castings are suitable.

Standard Specification for Gray Iron Castings for Pressure-Containing Parts for Temperatures Up to 650176F (350176C)

ASTM A217/A217M-01 适用于高温条件的承压部件用马氏体不锈钢和合金钢铸件标准规范

1.1 This specification covers martensitic stainless steel and alloy steel castings for valves, flanges, fittings, and other pressure-containing parts (Note 1) intended primarily for high-temperature and corrosive service (Note 2). 1.2 One grade of martensitic stainless steel and nine grades of ferritic alloy steel are covered. Selection will depend on design and service conditions, mechanical properties, and the high-temperature and corrosion-resistant characteristics (Note 3). Note 18212;Carbon steel castings for pressure-containing parts are covered by Specification A216/A216M. Low alloy quench-and-tempered grades equivalent to Specification A217/A217M grades may be found in both Specifications A352/A352M and A487/A487M. Note 28212;The grades covered by this specification represent materials that are generally suitable for assembly with other castings or wrought steel parts by fusion welding. It is not intended to imply that these grades possess equal degrees of weldability; therefore, it is the responsibility of the purchaser to establish for himself a suitable welding technique. Since these grades possess varying degrees of suitability for high-temperature and corrosion-resistant service, it is also the responsibility of the purchaser to determine which grade shall be furnished, due consideration being given to the requirements of the applicable construction codes.Note 38212;The committee formulating this specification has included nine grades of materials that are considered to represent basic types of ferritic alloy steels suitable for valves, flanges, fittings, and other pressure-containing parts. Additional alloy steels that may better fulfill certain types of service will be considered for inclusion in this specification by the committee as the need becomes apparent. 1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. Inch-pound units are applicable for material ordered to Specification A217 and SI units for materials ordered to Specification A217M.

Standard Specification for Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service

ASTM A148/A148M-01 结构用高强度钢铸件标准规范

1.1 This specification covers carbon steel, alloy steel, and martensitic stainless steel castings that are to be subjected to higher mechanical stresses than those covered in Specification A27/A27M. 1.2 Several grades of steel castings are covered, having the chemical composition and mechanical properties prescribed in Table 1 and Table 2. 1.3 The values stated in inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

Standard Specification for Steel Castings, High Strength, for Structural Purposes

ASTM A781/A781M-01 一般工业用钢和合金铸件的一般要求的标准规范

1.1 This specification covers a group of requirements that are mandatory requirements of the following steel casting specifications issued by ASTM. If the product specification specifies different requirements, the product specification shall prevail.ASTM Designation Title of SpecificationA27/A27M Steel Castings, Carbon, for General ApplicationA128/A128MSteel Castings, Austenitic ManganeseA148/A148MSteel Castings, High-Strength, for Structural PurposesA297/A297M Steel Castings, Iron Chromium and Iron-Chromium-Nickel, Heat Resistant for General ApplicationA447/A447M Steel Castings, Chromium-Nickel-Iron Alloy (25-12 Class), for High-Temperature Service A486/A486MSteel Castings, for Highway BridgesA494/A494MCastings, Nickel and Nickel Alloy A560/A560MCastings, Chromium-Nickel Alloy A743/A743MCastings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application A744/A744M Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe ServiceA747/A747M Steel Castings, Stainless, Precipitation HardeningA890/A890M Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General ApplicationA915/A915MSteel Castings, Carbon and Alloy Chemical 1.2 This specification also covers a group of supplementary requirements that may be applied to the above specifications as indicated therein. These are provided for use when additional testing or inspection is desired and apply only when specified individually by the purchaser in the order. 1.3 The requirements of the individual material specification, and this general specification shall prevail in the sequence named. 1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. Inch-pound units are applicable for material ordered to Specification A781 and SI units for material ordered to Specification A781M.

Standard Specification for Castings, Steel and Alloy, Common Requirements, for General Industrial Use