A743 CB30 J91803 20Cr - ASTM A743/A743M-2021

Grade	A743 CB30
USA UNS	J91803
Other Names
Corresponding Standard	ASTM A743/A743M-2021 Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
Classification	Cast Steel

A743 CB30 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	-	-	-	-	-	18	-	0.9
Maximum Value	0.3	1.5	1	0.04	0.04	21	2	1.2

A743 CB30 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
≥450	≥205	-	-

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