Structural Bolts ASTM F3125 Grade A325 and A490

A325 Heavy Hex Structural Bolts

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· Typical Material:Medium Carbon Steel

· Material and Mechanical Properties:ASTM A325 Type 1

· Dimensions:ASME B18.2.6

· Typical Hardness:HRC 25-34 on sizes 1/2 to 1 inch less than 2D in length and HRC 34 max 2D and greater in length;HRC 19-30 on sizes 1-1/8 to 1-1/2 inches less than 3D in length,HRC 30 max 3D and longer lengths.

· Tensile Strength:120,000PSI Minimum on sizes 1/2 to 1 inch;105,000 PSI Minimum on sizes over 1 to 1-1/2 inches.

A490 Heavy Hex Structural Bolts

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· Typical Material:Alloy Steel

· Material and Mechanical Properties:ASTM A490 Type 1

· Dimensions:ASME B18.2.6

· Typical Hardness:HRC 33-39 on sizes 1/2 to 1 inch less than 2D in length and HRC 39 max 2D and greater in length;HRC 33-39 on sizes 1-1/8 to 1-1/2 inches less than 3D in length,HRC 39 max 3D and longer lengths.

· Tensile Strength:150,000 PSI min to 173,000 PSI max

Structural Bolts： ASTM F3125 A325/A490 TYPE I