1 - ISO 683-16-1976

Grade	1
Corresponding Standard	ISO 683-16-1976 Heat-treated steels, alloy steels and f ree-cutting steels - Part 16 : Precipitation hardening stainless steels
Classification	Precipitation-Hardening Stainless Steel
Properties	Corrosion Resistance

1 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	More
Minimum Value	-	-	-	-	-	15.5	3	3	Nb+Ta：0.15~0.45
Maximum Value	0.07	1	1	0.04	0.03	17.5	5	5	Nb+Ta：0.15~0.45

1 Approximate Comparison Table Precipitation Hardening Stainless Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

European Standard

ISC

CNS

JIS

ASTM

UNS

ISO

Numerical Grade

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

05Cr17Ni4Cu4Nb
(0Cr17Ni4Cu4Nb)

S51740

630

SUS 630

STS 630

630

S17400

X5CrNiCuNb 16-4
1
(ISO 683-13-1986)

4542-174-00-I

X5CrNiCuNb 17-4

1.4542

Z6CNU 17-04

X5CrNiCuNb 16-4

1.4542

2 Approximate Comparison Table Martensitic Stainless Steel

China	Japan	United States	International Organization for Standardization	Germany	France	Russia	United Kingdom
GB	JIS	ASTM/AISI	ISO	DIN EN/DIN	NF EN/NF	GOST	BS EN/BS
0Cr13	SUS410S	410S	1 (ISO 683-13-1986)	X7Cr13	Z6C13	08X13	403S17

1 Corresponding Standards(Same grade name, different standards)

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