hgundas 发表于 2019-12-2 20:52:17

ASTM F3111-16



ASTM F3111-16
Standard Specification for
Heavy Hex Structural Bolt/Nut/Washer Assemblies, Alloy
Steel, Heat Treated, 200 ksi Minimum Tensile Strength1,2

admin 发表于 2019-12-3 10:13:06

谢谢您的分享，金币已奖励！

dongfangrenan 发表于 2020-9-12 08:11:06

好资料，谢谢楼主分享
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