SKH 40 - JIS G 4403-2022

SKH 40 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	Mo	W	V	Co
Minimum Value	1.23	-	-	-	-	3.8	-	4.7	5.7	2.7	8
Maximum Value	1.33	0.45	0.4	0.03	0.03	4.5	0.25	5.3	6.7	3.2	8.8

SKH 40 Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Bar, forging	Annealing	≤302
sample	Quenching + Tempering	HV: 832

Approximate Comparison Table High-Speed Tool Steels

Japan	International Organization for Standardization
JIS	ISO
SKH40	HS6-5-3-8

SKH40 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"!