A194 Grade 8S S21800 Nitronic 60 - ASTM A194/A194M-2023

Grade	A194 Grade 8S
USA UNS	S21800
Other Names
Corresponding Standard	ASTM A194/A194M-2023 Standard Specification for 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

A194 Grade 8S Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	N
Minimum Value	-	3.5	7	-	-	16	8	0.08
Maximum Value	0.1	4.5	9	0.06	0.03	18	9	0.18

A194 Grade 8S Mechanical Properties

product	Hardness HBW
Finished Nuts	182~271HBW ≤25HRC ≥88HRB

A194Grade8S Corresponding Standards(Same grade name, different standards)

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