35Х - GOST 4543-1971

Grade	35Х
Corresponding Standard	GOST 4543-1971 Alloyed Construction Steel Specifications
Classification	Alloy Steel
Properties	Quench Hardness

35Х Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.31	0.17	0.5	-	-	0.8	-	-
Maximum Value	0.39	0.37	0.8	0.035	0.035	1.1	0.3	0.3

• The letter A at the end of the grade stands for “high quality steel”. Character III means “Extra high quality steel”. For example, quality steel -30XΓC; High quality steel -30XΓCA; Extra high quality steel -30X ΓC-Ⅲ and 30XΓCA-Ⅲ.

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

35Cr

A20352

SCr435

SCr435
SCr435H

SCr435

5135

G51350

34Cr4

1.7033

38C4

34Cr4

1.7033

35Х

530A36

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