A194 Grade 8F S30323 Type 303Se - ASTM A194/194M-2016

Grade	A194 Grade 8F
USA UNS	S30323
Other Names
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	Austenitic Stainless Steel
Properties	Corrosion Resistance Machinability

A194 Grade 8F Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Se
Minimum Value	-	-	-	-	-	17	8	0.15
Maximum Value	0.15	1	2	0.2	0.06	19	10	-

• 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 8F Mechanical Properties

product	Hardness HBW
Finished Nuts	126~300HBW ≤32HRC ≥60HRB

1 Approximate Comparison Table Austenitic Stainless Steel

2 Approximate Comparison Table Austenitic Stainless Steel

China		Japan	United States	International Organization for Standardization		European Standard
GB	ISC	JIS	UNS	ISO	Numerical Grade	Numerical Grade
Y12Cr18Ni9Se	S30327	SUS303Se	S30323	X12CrNiSe18-9	4625-303-23-X	1.4625

A194Grade8F Corresponding Standards(Same grade name, different standards)

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