ASTM F3125/F3125M-22
热处理钢和合金钢高强度结构螺栓和组件的标准规范 英寸尺寸120 ksi和150 ksi最小抗拉强度 公制尺寸830 MPa和1040 MPa最小抗拉强度
Standard Specification for High Strength Structural Bolts and Assemblies, Steel and Alloy Steel, Heat Treated, Inch Dimensions 120 ksi and 150 ksi Minimum Tensile Strength, and Metric Dimensions 830 M