9 - ISO 683-16-1976

Grade	9
Corresponding Standard	ISO 683-16-1976 Heat-Treated Steels, Alloy Steels and Free-Cutting Steels — Part 16: Precipitation Hardening Stainless Steels
Classification	Precipitation-Hardening Stainless Steel
Properties	Corrosion Resistance

9 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	More
Minimum Value	-	-	-	-	-	13.2	5	1.2	1.2	Nb+Ta：0.2~0.7
Maximum Value	0.07	0.6	1	0.04	0.03	14.7	5.8	2	2	Nb+Ta：0.2~0.7

Approximate Comparison Table Martensitic Stainless Steel

China	Japan	United States	International Organization for Standardization	Germany	France	Russia
GB	JIS	ASTM/AISI	ISO	DIN EN/DIN	NF EN/NF	GOST
1Cr17Ni2	SUS431	431	9 (ISO 683-13-1986)	X22CrNi17	Z15CN16-02	14X17H2

9 Corresponding Standards(Same grade name, different standards)

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