A744 CN7M N08007 20Cr-29Ni-Mo-Cu - ASTM A744/A744M-2021

Grade	A744 CN7M
USA UNS	N08007
Other Names
Corresponding Standard	ASTM A744/A744M-2021 Standard Specification for Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service
Classification	Cast Steel

A744 CN7M Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	-	-	-	-	-	19	27.5	3	2
Maximum Value	0.07	1.5	1.5	0.04	0.04	22	30.5	4	3

A744 CN7M Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
≥425	≥170	≥35

Approximate Comparison Table Cast Steel

China	United States	International Organization for Standardization
GB	UNS	ISO	Numerical Grade
ZG03Ni28Cr21Mo2	N08007	GX2NiCrMo28-20-2	1.4458

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