C70U 1.1520 - EN ISO 4957-2018

Grade	C70U
European Standard Steel Grade	1.1520
Corresponding Standard	EN ISO 4957-2018 Tool steels
Classification	Carbon Steel

C70U Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.65	0.1	0.1	-	-
Maximum Value	0.75	0.3	0.4	0.03	0.03

C70U Mechanical Properties

	Hardness HBW
Annealed (+A)	≤183
Quenching and Tempering	HRC ≥57

1 Approximate Comparison Table

China		Japan	International Organization for Standardization	European Standard
GB	ISC	JIS	Numerical Grade	EN
T7	T00070	SK70	C70U	C70U

2 Approximate Comparison Table Non-alloy cold-work tool steels

Japan	International Organization for Standardization	Germany		European Standard
JIS	ISO	DIN EN/DIN	W-Nr.	EN	Numerical Grade
SK65 (SK7)	C70U	C70U (C70W2)	1.1520 (1.1620)	C70U	1.1520

3 Approximate Comparison Table Non-alloy cold-work tool steels

China	Japan	United States	International Organization for Standardization	Germany		France	European Standard		Russia
GB	JIS	ASTM	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	EN	Numerical Grade	GOST
T7	SK6 SK7	W1-7	C70U	C70W2	1.1620	C70E2U	C70U	1.1520	U7

4 Approximate Comparison Table

China		Taiwan, China	Japan	South Korea	International Organization for Standardization	Germany		France	Russia	Sweden	United Kingdom
GB	ISC	CNS	JIS	KS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	GOST	SS	BS EN/BS
T7	T00070	SK 7	SK 70	STC 7	C70U	C70W2	1.1620	C70U C70E2U	У7-1	1770	C70U

C70U Corresponding Standards(Same grade name, different standards)

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