F837 Group 1-AF 304J3 - ASTM F837-2013(R2018)

Grade	F837 Group 1-AF 304J3
Corresponding Standard	ASTM F837-2013(R2018) Stainless Steel Socket Head Cap Screws
Classification	Austenitic Stainless Steel

F837 Group 1-AF 304J3 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	-	-	-	-	-	17	8	1
Maximum Value	0.08	1	2	0.045	0.03	19	10.5	3

F837 Group 1-AF 304J3 Mechanical Properties

	Tensile Strength σ_b ksi	Yield Point σ_s ksi	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
0.060~1.500 (Full size)	≤85			HRB ≤95
0.060~1.500 (machined)	≤85	≤55	≥40	≤95

• Core hardness is only required when full-size product tensile testing cannot be accomplished.
• D denotes nominal thread size

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