JIS G4404 SKS31 Steel — Specifications & Listings

JIS G4404

SKS31 is an alloy tool steel used for cold work tooling and cutting applications. It provides good wear resistance, toughness, and dimensional stability after heat treatment.

Category: Tool Steel

Grade Details

Grade	JIS G4404 SKS31
Standard	JIS G4404
Description	SKS31 is an alloy tool steel used for cold work tooling and cutting applications. It provides good wear resistance, toughness, and dimensional stability after heat treatment.
Applications	Used in punches, dies, shear blades, gauges, woodworking tools, and forming tools.

Chemical Composition (%)

C	Si	Mn	Cr	W	V	P	S
0.80-0.90	0.15-0.35	0.60-0.90	0.50-1.00	0.50-1.00	0.15-0.35	0.030 max	0.030 max

Mechanical Properties

tensile_strength	900-1150 MPa
yield_strength	750 MPa min
elongation	10% min
hardness	58-62 HRC

Active JIS G4404 SKS31 Listings on M-EX

No active JIS G4404 SKS31 listings at this time.