C120U 1.1555 - DIN EN ISO 4957-2018

Grade	C120U
Germany W-Nr.	1.1555
Corresponding Standard	DIN EN ISO 4957-2018 Tool steels
Classification	Carbon Steel
Density	7.85 g/cm³

C120U Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	1.15	0.1	0.1	-	-
Maximum Value	1.25	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.

C120U Mechanical Properties

	Hardness HBW
Annealed (+A)	≤217
Quenching and Tempering	HRC ≥62

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
SK120 (SK2)	C120U	C120U	1.1555	C120U	1.1555

2 Approximate Comparison Table Carbon Tool Steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard	Russia	United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	GOST	BS EN/BS
T12	SK120	W1A-11 1/2	C120U	C120U	C120U	C120U	У12-1	C120U

C120U Corresponding Standards(Same grade name, different standards)

1	DIN EN ISO 4957-2018
	C120U 1.1555
2	EN ISO 4957-2018
	C120U 1.1555
3	ISO 4957-2018
	C120U 1.1555

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