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SKH59

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SKH58 SK2M
#SKH59

Description

Japan JIS SKH59 W-phase system high-speed tool steel and SKH59 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: SKH59
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy SKH59 JIS Japan W-phase system high-speed tool steel
SKH40
SKH50
SKH51
SKH52
SKH53
SKH54
SKH55
SKH56
SKH57
SKH58

Chemical composition(mass fraction)(wt.%) of the SKH59

C(％) Si(％) Mn(％) Cr(％) Mo(％) V(%) W(%) Co(%)
1.05-1.15 Max 0.70 Max 0.40 3.50-4.50 9.00-10.00 0.90-1.30 1.20-1.90 7.50-8.50

Mechanical Properties of steel grade SKH59

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
516 (≥) 856 (≥) 32 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade SKH59

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
21 - -     0.34 -  
551 679 - 34.3 342   -  
385 - 12 13.2   232 144

Heat Treatment of steel grade SKH59

Heat treated : 1579°C - 1226°C

Technological Curves of steel grade SKH59

Cross Reference Table (Equivalent Grade) of SKH59

Grade Standard Country Application
SKH59 JIS Japan W-phase system high-speed tool steel
SKH58 SK2M
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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