SNC815 SNC22 - JIS G 4102-1979

Grade	SNC815
Old Grade
Corresponding Standard	JIS G 4102-1979 Nickel chromium steels
Classification	Alloy Steel

SNC815 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.12	0.15	0.35	-	-	0.7	3	-
Maximum Value	0.18	0.35	0.65	0.03	0.03	1	3.5	0.3

SNC815 Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Double Quenching and Tempering	≥980.7	≥12	≥45	285~388	≥78

New and Old Grade Replacement List

Corresponding Standard	Grade
JIS G 4102-1979	Grade Old Grade
JIS G 4053-2016	Grade

1 Approximate Comparison Table Structural Alloy Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

European Standard

Russia

United Kingdom

ISC

CNS

JIS

ASTM/AISI

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

GOST

BS EN/BS

12CrNi3

A42122

SNC815

SNC815
SNC815H

SNC815

3310

G33106

15NiCr13

14NiCr14

1.5752

14NC12

15NiCr13

1.5752

12ХН3А

665A12
665M13

2 Approximate Comparison Table Structural Alloy Steel

China		Taiwan, China	Japan	South Korea	United States	Germany		France	Russia	United Kingdom
GB	ISC	CNS	JIS	KS	ASTM/AISI	DIN EN/DIN	W-Nr.	NF EN/NF	GOST	BS EN/BS
20Cr2Ni4 18Cr2Ni4WA	A43202 A52183	≈SNC815	≈SNC815	≈SNC815	3316	~14NiCr14	1.5752	18NC13	20Х2Н4А 18Х2Н4ВА	~665M13

SNC815 Corresponding Standards(Same grade name, different standards)

1	JIS G 4053-2016
	SNC815
2	JIS G 4102-1979
	SNC815 (SNC22)

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