C80U 1.1525 - DIN EN ISO 4957-2018

Grade	C80U
Germany W-Nr.	1.1525
Corresponding Standard	DIN EN ISO 4957-2018 Tool steels
Classification	Carbon Steel
Density	7.85 g/cm³

C80U Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.75	0.1	0.1	-	-
Maximum Value	0.85	0.3	0.4	0.03	0.03

• Elements not quoted in this table shall not be intentionally added to the steel without the agreement of the purchaser, other than for the purpose of finishing the heat . All reasonable precautions shall be taken to prevent the addition from scrap or other material used in the manufacture, of such elements which affect the hardenability, mechanical properties and applicability.

C80U Mechanical Properties

	Hardness HBW
Annealed (+A)	≤192
Quenching and Tempering	HRC ≥58

New and Old Grade Replacement List

Corresponding Standard	Grade
DIN 17350-1980	Grade Germany W-Nr.
DIN EN ISO 4957-2018	Grade Germany W-Nr.

1 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
SK75 (SK6)	C80U	C80U (C80W1)	1.1525	C80U	1.1525

2 Approximate Comparison Table Carbon Tool Steel

China		Japan	United States	International Organization for Standardization	Germany		France	Russia
GB	ISC	JIS	ASTM	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	GOST
T8	T00080	SK6	W1-0.8C	TC80	C80W1	1.1525	Y1 80	У8

C80U Corresponding Standards(Same grade name, different standards)

1	DIN EN ISO 4957-2018
	C80U 1.1525
2	EN ISO 4957-2018
	C80U 1.1525
3	ISO 4957-2018
	C80U 1.1525

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