A890 Grade 1C J93373 CD3MCuN 25Cr-6Ni-Mo-Cu-N - ASTM A890/A890M-2026

Performance Level	A890 Grade 1C
USA UNS	J93373
Other Names
Corresponding Standard	ASTM A890/A890M-2026 Standard Specification for Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General Application
Classification	Cast Steel
Properties	Corrosion Resistance

A890 Grade 1C Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	More
Minimum Value	-	-	-	-	-	24	5.6	1.4	2.9	0.22	Cr+3.3Mo+16N≥40
Maximum Value	0.03	1.1	1.2	0.03	0.03	26.7	6.7	1.9	3.8	0.33	Cr+3.3Mo+16N≥40

A890 Grade 1C Mechanical Properties

Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %
≥690	≥450	≥25

A890Grade1C Corresponding Standards(Same grade name, different standards)

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