A194 Grade 7M - ASTM A194/194M-2016

Grade	A194 Grade 7M
Corresponding Standard	ASTM A194/194M-2016 Carbon steel, Alloy steel, and Stainless Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
Classification	Alloy Steel

A194 Grade 7M Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo
Minimum Value	0.38	0.15	0.75	-	-	0.8	0.15
Maximum Value	0.48	0.35	1	0.035	0.04	1.1	0.25

• The intentional addition of Bi, Se, Te, and Pb is not permitted except for Grades 6F, 8F, and 8FA, in which Se is specified and required.

A194 Grade 7M Mechanical Properties

product	Hardness HBW
Finished Nuts	159~235HBW 84~99HRB
Heat-treated Sample Nut	≥159HBW ≥84HRB

A194Grade7M Corresponding Standards(Same grade name, different standards)

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