论坛 › 美国标准 › ASTM F 1852-2005 经热处理最低抗拉强度为120/105ksi“拧断...
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发表于 2009-12-3 12:34:18
ASTM F 1852-2005 经热处理最低抗拉强度为120/105ksi“拧断...
F1852-04 Standard Specification for Twist Off Type Tension Control Structural Bolt/Nut/Washer Assemblies, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength