ASTM A325 Steel Structure Bolt Set

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Specification	Fastener Description	Material	Nominal Size Range In.	Mechanical Properties
				Yield Strength	Tensile Strength	Elongation, in 4D, min, %	Reduction of Area, min, %
				Min (psi)	Min (psi)	Elongation, in 4D, min, %	Reduction of Area, min, %
ASTM A325 Type 1	High Strength Structural Bolt	Medium Carbon Steel, Quenched and Tempered	1/2 to 1 incl	92,000	120,000	14	35
ASTM A325 Type 1		Medium Carbon Steel, Quenched and Tempered	Over 1 to 1-1⁄2	81,000	105,000	14	35†
ASTM A325 Type 2		Low Carbon Martensitic Steel, Quenched and Tempered	1/2 to 1 incl	92,000	120,000	14	35
ASTM A325 Type 3		Atmospheric Corrosion Resisting Steel, Quenched and Tempered	1/2 to 1 incl	92,000	120,000	14	35
ASTM A325 Type 3			Over 1 to 1-1⁄2	81,000	105,000	14	35†

Specification	Material	Nominal Size (In.)	Proof Load Stress ksiA		Hardness Rockwell		Nut Type
			Non-Zinc-Coated NutsB	Zinc-Coated NutsB	Min	Max
ASTM A453 Grade DH	Medium Carbon Steel, Quenched and Tempered	1/2 to 4	175	150	C24	C38	Heavy hex nut　 UNC, 8UN, 6UN and Coarser Pitch Thread

Hex Bolt Sets