A182 F22 Class 1 K21590 - ASTM A182/A182M-2018

Grade	A182 F22 Class 1
USA UNS	K21590
ASTM Specification or Grade	F 22
Corresponding Standard	ASTM A182/A182M-2018 Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
Classification	Alloy Steel
Properties	Corrosion Resistance

A182 F22 Class 1 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo
Minimum Value	0.05	-	0.3	-	-	2	0.87
Maximum Value	0.15	0.5	0.6	0.04	0.04	2.5	1.13

A182 F22 Class 1 Mechanical Properties

Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
≥415	≥205	≥20	≥35	≤170

A182F22Class1 Corresponding Standards(Same grade name, different standards)

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