30Cr13 S42030 3Cr13 - GB /T 1220-2007

Grade	30Cr13
China ISC	S42030
Old Grade
Corresponding Standard	GB /T 1220-2007 Stainless Steel Bars
Classification	Martensitic Stainless Steel
Properties	Strength Elasticity Corrosion Resistance Quench Hardness

30Cr13 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni
Minimum Value	0.26	-	-	-	-	12	-
Maximum Value	0.35	1	1	0.04	0.03	14	0.6

30Cr13 Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
sample	Quenching and Tempering	≥735	≥540	≥12	≥40	≥217	KU2 ≥24
Steel Rod	Annealing					≤235

• This does not apply to flat bars, but if required by the buyer, it shall be determined through negotiation between the supplier and the buyer.

Approximate Comparison Table

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

European Standard

Russia

Sweden

United Kingdom

ISC

CNS

JIS

UNS

ISO

Numerical Grade

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

GOST

BS EN/BS

30Cr13
(3Cr13)

S42030

420J2

SUS 420J2

STS 420J2

S42000

X30Cr 13
5
(ISO 683-13-1986)

4028-420-00-I

X30Cr 13

1.4028

Z30C 13
Z33C13

X30Cr 13

1.4028

30Х13
30KH13

2304
2304-03

420S45

30Cr13 Corresponding Standards(Same grade name, different standards)

1	GB
	30Cr13
2	GB /T 20878-2007
	30Cr13 S42030 (3Cr13)
3	GB /T 1220-2007
	30Cr13 S42030 (3Cr13)
4	GB /T 4240-2019
	30Cr13 S42030 (3Cr13)
5	GB /T 4356-2016
	30Cr13 S42030 (3Cr13)
6	GB /T 3280-2015
	30Cr13 S42030 (3Cr13)
7	GB /T 4237-2015
	30Cr13 S42030 (3Cr13)
8	GJB 2294A-2014
	30Cr13 (3Cr13)
9	JB /T 6908-2020
	30Cr13 S42030
10	Q/RP 007-2018
	30Cr13
11	GB /T 20878-2024
	30Cr13 S42030 (3Cr13)

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