ASTM A194 Grade 7 Nuts

These ASTM A194 Grade 7 Heavy Hex Nuts are produced from Medium Carbon Alloy Steel, Quenched and Tempered. We Produce these heavy hex nuts in various sizes

Mechanical Properties
Nut -Grade Identification Markings

All markings shown for all grades of A194 are for cold formed and for hot forged nuts. When nuts are machined from bar stock, the nut must additionally be marked with the letter "B"

Grade Identification Markings	Specification	Material	Nominal Size, In.	Tempering Temp. °F	Proof Load Stress, ksi	Hardness Rockwell		See Note
						Min	Max
	ASTM A194 Grade 7	Medium Carbon Alloy Steel, Quenched and Tempered	1/4 - 4	1100	175	C24	C38	1,2