A194 Grade 8RA S20910 - ASTM A194/A194M-2023

Grade	A194 Grade 8RA
USA UNS	S20910
AISI American Iron and Steel Institute	XM19
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 8RA Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N	V	Cb
Minimum Value	-	-	4	-	-	20.5	11.5	1.5	0.2	0.1	0.1
Maximum Value	0.06	1	6	0.045	0.03	23.5	13.5	3	0.4	0.3	0.3

A194 Grade 8RA Mechanical Properties

product	Heat Treatment or Condition	Hardness HBW
Finished Nuts	Solid Solution Treatment	182~271HBW ≤25HRC ≥88HRB

A194Grade8RA Corresponding Standards(Same grade name, different standards)

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