ASTM A449-2014 标准详情
- 标准号:ASTM A449-2014
- 中文标题:
- 英文标题:Standard Specification for Hex Cap Screws,Bolts and Studs,Steel,Heat Treated,120/ 105/90 ksi Minimum Tensile Strength,General Use
- 标准类别:美国材料与试验协会ASTM
- 发布日期:10 January 2014
Scope 1.1 This specification2 covers quenched and tempered steel hex cap screws, bolts, and studs having a minimum tensile strength of 120 ksi for diameters 1.0 in. and smaller; 105 ksi for diameters over 1.0 in. to 11/2 in.; and 90 ksi
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