ASTM A490-12 Standard Specification for Structural Bolts, Alloy Steel, Heat Treated, 150 ksi Minimum Tensile Strength | ASTM A490 | Scoop.it
astm a490-12 standard specification for structural bolts, alloy steel, heat treated, 150 ksi minimum tensile strength 1.1 this specification covers two types of (ASTM A490-12: Standard Specification for #Structural Bolts, Alloy #Steel, Heat Treated,...

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