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SKS31 Tool steel

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Tool Steel: Special steel suitable for working or processing of material, for handling and measuring workpieces and, for this purpose, exhibiting high hardness and wear resistance and/or toughness.
Product: Alloy tool steel
SKS31 steel product available : SKS31 Steel plates, SKS31 steel sheets, SKS31 round bars, SKS31 steel strip
SKS31 steel standard : JIS G4404,
SKS31 steel example application: Mainly used for cold rolled mould, eg: Gauge, shear knife, press die, thread cutting die.
SKS31 steel surface usual condition:
-- The hot rolled or forged condition (as hot work)
-- The machined (ground, polished, turned, peeled or milled ) condition
-- The cold reduced condition

JIS G4404 SKS31 tool steel chemical composition %

Grade

C

Si max

Mn

P max

S max

Cr

Mo

W

V

SKS31

0.95-1.05

0.35

0.90-1.20

0.030

0.030

0.80-1.20

-

1.00-1.50

-


JIS G4404 SKS31 tool steel hardness in the hardened and tempered condition

Grade

Annealed hardness

Quenched and tempered hardness of test piece

Temperature ℃

HB max

Quenching temperature℃

Tempering temperature℃

Hardness HV

SKS31

750-800 slow cooling

217

830 water cooling

180 air cooling

697


JOIN-WIN STEEL keeps enough quantity SKS31 steel in stock each month. We can meet our customer’s further process request like : rolling, bending, cutting ( any size and any shape ) drilling, welding, milling, machining and steel structure.

Other steel grades of Alloy tool steel in standard JIS G4404
SKS3 for cutting tool steels,
SKS11 for cutting tool steels,
SKS2 for cutting tool steels,
SKS21 for cutting tool steels,
SKS5 for cutting tool steels,
SKS51 for cutting tool steels,
SKS7 for cutting tool steels,
SKS81 for cutting tool steels,
SKS8 for cutting tool steels,
SKS4 for impact resistance tool steels,
SKS41 for impact resistance tool steels,
SKS43 for impact resistance tool steels,
SKS44 for impact resistance tool steels,
SKS93 tool steel for cold rolled mould,
SKS94 tool steel for cold rolled mould,
SKS95 tool steel for cold rolled mould,

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