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SKH40 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: Molybdenum High speed tool steels by powder metallurgy process.
SKH40 steel product available : SKH40 Steel plates, SKH40 steel sheets, SKH40 round bars, SKH40 steel strip
SKH40 steel standard : JIS G4403,
SKH40 steel example application: Molybdenum High speed tool steels by powder metallurgy process. , eg: Tools for general cutting requiring hardness, toughness and wear resistance , and other various tools.
SKH40 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 G4403 SKH40 tool steel chemical composition %

Grade

C

Si max

Mn max

P max

S max

Cr

Mo

W

V

Co

Cu

SKH40

1.23-1.33

0.45

0.40

0.030

0.030

3.80-4.50

4.70-5.30

5.70-6.70

2.70-3.20

8.00-8.80

0.25 max


JIS G4403 SKH40 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 min

SKH40

820-880 slow cooling

302

1180 oil cooling

560 air cooling

832


JOIN-WIN STEEL keeps enough quantity SKH40 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 high speed tool steel in standard JIS G4403
SKH2 high speed tool steel,
SKH3 high speed tool steel,
SKH4 high speed tool steel,
SKH10 high speed tool steel,
SKH50 high speed tool steel,
SKH51 high speed tool steel,
SKH52 high speed tool steel,
SKH53 high speed tool steel,
SKH54 high speed tool steel,
SKH55 high speed tool steel,
SKH56 high speed tool steel,
SKH57 high speed tool steel,
SKH58 high speed tool steel,
SKH59 high speed tool steel

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