17Cr16Ni2 S43120 - GB /T 1220-2007

Grade	17Cr16Ni2
China ISC	S43120
Corresponding Standard	GB /T 1220-2007 Stainless Steel Bars
Classification	Martensitic Stainless Steel

17Cr16Ni2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni
Minimum Value	0.12	-	-	-	-	15	1.5
Maximum Value	0.22	1	1.5	0.04	0.03	17	2.5

17Cr16Ni2 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; d≤75	Quenching + Tempering	900~1050	≥700	≥12	≥45	-	≥25
Sample; d≤75	Quenching + Tempering	800~950	≥600	≥14	≥45	-	≥25
Steel bars; d≤75	Annealing					≤295

• 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

ASTM

UNS

ISO

Numerical Grade

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

GOST

BS EN/BS

14Cr17Ni2
(1Cr17Ni2)
17Cr16Ni2

S43110
/
S43120

431

SUS 431

STS 431

431

S43100

X17CrNi 16-2

4057-431-00-X

X20CrNi 17-2
(X22CrNi 17)

1.4057

Z15CN 16-02

X17CrNi 16-2

1.4057

14Х17Н2

2321

431S29

17Cr16Ni2 Corresponding Standards(Same grade name, different standards)

1	GB /T 20878-2007
	17Cr16Ni2 S43120
2	GB /T 1221-2007
	17Cr16Ni2 S43120
3	GB /T 1220-2007
	17Cr16Ni2 S43120
4	GB /T 3280-2015
	17Cr16Ni2 S43120
5	GB /T 4237-2015
	17Cr16Ni2 S43120
6	GB /T 20878-2024
	17Cr16Ni2 S43120

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