EN ISO 898-1-2009

Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts@ screws and studs with specified property classes - Coarse thread and fine pitch thread

EN ISO 898-1-2009 发布历史

This part of ISO 898 specifies mechanical and physical properties of bolts@ screws and studs made of carbon steel and alloy steel when tested at an ambient temperature range of 10 ??to 35 ?? Fasteners ?? the term used when bolts@ screws and studs are considered all together ?? that conform to the requirements of this part of ISO 898 are evaluated at that ambient temperature range. They might not retain the specified mechanical and physical properties at elevated temperatures (see Annex B) and/or lower temperatures. NOTE 1 Fasteners conforming to the requirements of this part of ISO 898 are used in applications ranging from ?50 ??to +150 ?? Users are advised to consult an experienced fastener metallurgist for temperatures outside the range of ?50 ??to +150 ??and up to a maximum temperature of +300 ??when determining appropriate choices for a given application. NOTE 2 Information for the selection and application of steels for use at lower and elevated temperatures is given@ for example@ in EN 10269@ ASTM F2281 and in ASTM A 320/A 320M. Certain fasteners might not fulfil the tensile or torsional requirements of this part of ISO 898-1 because the geometry of their heads reduces the shear area in the head compared to the stress area in the thread. These include fasteners having a low head@ with or without external driving feature@ a low round or cylindrical head with internal driving feature or a countersunk head with internal driving feature (see 8.2). This part of ISO 898 is applicable to bolts@ screws and studs a) made of carbon steel or alloy steel@ b) having triangular ISO metric screw thread according to ISO 68-1@ c) with coarse pitch thread M1@6 to M39@ and fine pitch thread M8??1 to M39??3@ d) with diameter/pitch combinations according to ISO 261 and ISO 262@ e) having thread tolerances according to ISO 965-1@ ISO 965-2 and ISO 965-4. It is not applicable to set screws and similar threaded fasteners not under tensile stresses (see ISO 898-5). It does not specify requirements for such properties as ?? weldability@ ?? corrosion resistance@ ?? resistance to shear stress@ ?? torque/clamp force performance@ or ?? fatigue resistance.

EN ISO 898-1-2009由CEN - European Committee for Standardization 发布于 2009-04-01，并于 2009-04-20 实施。

EN ISO 898-1-2009的历代版本如下：

• 1999年08月01日 EN ISO 898-1-1999 碳钢和合金钢制造的紧固件的机械特性.第1部分:螺栓,螺钉和螺柱 ISO 898-1-1999;代替EN 20898-1-1991
• 2009年04月01日 EN ISO 898-1-2009
• 2013年01月01日 EN ISO 898-1-2013 紧固件的机械性能由碳钢和合金钢.第1部分:螺栓,螺钉和螺栓与指定的属性类,粗牙螺纹和细牙螺纹

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标准号

EN ISO 898-1-2009

发布日期

2009年04月01日

实施日期

2009年04月20日

废止日期

无

中国标准分类号

/

国际标准分类号

/

发布单位

CEN - European Committee for Standardization

引用标准

64

适用范围

This part of ISO 898 specifies mechanical and physical properties of bolts@ screws and studs made of carbon steel and alloy steel when tested at an ambient temperature range of 10 ??to 35 ?? Fasteners ?? the term used when bolts@ screws and studs are considered all together ?? that conform to the requirements of this part of ISO 898 are evaluated at that ambient temperature range. They might not retain the specified mechanical and physical properties at elevated temperatures (see Annex B) and/or lower temperatures. NOTE 1 Fasteners conforming to the requirements of this part of ISO 898 are used in applications ranging from ?50 ??to +150 ?? Users are advised to consult an experienced fastener metallurgist for temperatures outside the range of ?50 ??to +150 ??and up to a maximum temperature of +300 ??when determining appropriate choices for a given application. NOTE 2 Information for the selection and application of steels for use at lower and elevated temperatures is given@ for example@ in EN 10269@ ASTM F2281 and in ASTM A 320/A 320M. Certain fasteners might not fulfil the tensile or torsional requirements of this part of ISO 898-1 because the geometry of their heads reduces the shear area in the head compared to the stress area in the thread. These include fasteners having a low head@ with or without external driving feature@ a low round or cylindrical head with internal driving feature or a countersunk head with internal driving feature (see 8.2). This part of ISO 898 is applicable to bolts@ screws and studs a) made of carbon steel or alloy steel@ b) having triangular ISO metric screw thread according to ISO 68-1@ c) with coarse pitch thread M1@6 to M39@ and fine pitch thread M8??1 to M39??3@ d) with diameter/pitch combinations according to ISO 261 and ISO 262@ e) having thread tolerances according to ISO 965-1@ ISO 965-2 and ISO 965-4. It is not applicable to set screws and similar threaded fasteners not under tensile stresses (see ISO 898-5). It does not specify requirements for such properties as ?? weldability@ ?? corrosion resistance@ ?? resistance to shear stress@ ?? torque/clamp force performance@ or ?? fatigue resistance.

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