A743 CK3MCuN J93254 20Cr-18Ni-Cu-Mo - ASTM A743/A743M-2021

Grade	A743 CK3MCuN
USA UNS	J93254
Other Names
Corresponding Standard	ASTM A743/A743M-2021 Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
Classification	Cast Steel

A743 CK3MCuN Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N
Minimum Value	-	-	-	-	-	19.5	17.5	0.5	6	0.18
Maximum Value	0.025	1	1.2	0.045	0.01	20.5	19.5	1	7	0.24

A743 CK3MCuN Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
≥550	≥260	≥35	-

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