55CrSiA A21553 - GB /T 5218-1999

55CrSiA Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.5	1.2	0.5	-	-	0.5	-	-
Maximum Value	0.6	1.6	0.8	0.03	0.03	0.8	0.25	0.2

Approximate Comparison Table Spring Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

Russia

United Kingdom

ISC

CNS

JIS

AISI

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

BS EN/BS

55SiCrA

A21553

SUP12

SPS8

9254

G92540

55SiCr6-3

54SiCr6

1.7102

54SiCr6
(55S7)

55С2

54SiCr6

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