40CrMnNiMo8-6-4 1.2738 - ISO 4957-2018

40CrMnNiMo8-6-4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni ^*	Mo
Minimum Value	0.35	0.2	1.3	-	-	1.8	0.9	0.15
Maximum Value	0.45	0.4	1.6	0.03	0.03	2.1	1.2	0.25

40CrMnNiMo8-6-4 Mechanical Properties

Hardness HBW
300

1 Approximate Comparison Table Plastic Mold Steel

China			United States	International Organization for Standardization	Germany
YB	GB	ISC	ASTM/AISI	ISO	DIN EN/DIN	W-Nr.
SM3Cr2MnNiMo	3Cr2MnNiMo	T25553	P20Ni	40CrMnNiMo 8-6-4	40CrMnNiMo 8-6-4	1.2738

2 Approximate Comparison Table Alloy Cold-Work Tool Steel

International Organization for Standardization	Germany		European Standard
ISO	DIN EN/DIN	W-Nr.	EN	Numerical Grade
40CrMnNiMo8-6-4	40CrMnNiMo8-6-4	1.2738	40CrMnNiMo8-6-4	1.2738

40CrMnNiMo8-6-4 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"!