1.1 This specification covers two types of quenched and tempered, alloy steel, heavy hex structural bolts having a tensile strength of 150 to 173 ksi.1.2 These bolts are intended for use in structural connections. These connections are covered u
ASTM
Standard Specification for Structural Bolts, Alloy Steel, Heat Treated, 150 ksi Minimum Tensile Strength
STD-55539
2006
2006-08-01
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