A890 Grade 1B J93372 CD4MCuN 25Cr-5Ni-Mo-Cu-N - ASTM A890/A890M-2018

Performance Level	A890 Grade 1B
USA UNS	J93372
Other Names
Corresponding Standard	ASTM A890/A890M-2018 Standard Specification for Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General Application
Classification	Cast Steel
Properties	Corrosion Resistance

A890 Grade 1B Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N
Minimum Value	-	-	-	-	-	24.5	4.7	2.7	1.7	0.1
Maximum Value	0.04	1	1	0.04	0.04	26.5	6	3.3	2.3	0.25

①CD4MCu has been removed from this standard. CD4MCuN is an acceptable substitute for CD4MCu.
②Other names: CD4MCuN is a grade from the American Foundry Society standard ACI, 1999 edition.

A890 Grade 1B Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
≥690	≥485	≥16

Approximate Comparison Table Cast Steel

China	United States	International Organization for Standardization
GB	UNS	ISO	Numerical Grade
ZG03Cr26Ni6Mo3Cu3N	J93372	GX2CrNiMoCuN26-5-3-3	1.4451

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!