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SKS4 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
SKS4 steel product available : SKS4 Steel plates, SKS4 steel sheets, SKS4 round bars, SKS4 steel strip
SKS4 steel standard : JIS G4404,
SKS4 steel example application: Mainly used for impact resistance tool steels , eg: Chisel, punch, shear, knife.
SKS4 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 SKS4 tool steel chemical composition %

Grade

C

Si max

Mn max

P max

S max

Cr

W

V

Ni max

Cu max

SKS4

0.45-0.55

0.35

0.50

0.030

0.030

0.50-1.00

0.50-1.00

-

0.25

0.25


JIS G4404 SKS4 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

SKS4

740-780 slow cooling

201

800 water cooling

180 air cooling

613


JOIN-WIN STEEL keeps enough quantity SKS4 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,
SKS41 for impact resistance tool steels,
SKS43 for impact resistance tool steels,
SKS44 for impact resistance tool steels,
SKS31 tool steel for cold rolled mould,
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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