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SKH51

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SKH50 SKH52
#SKH51

Description

Japan JIS SKH51 W-phase system high-speed tool steel and SKH51 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: SKH51
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy SKH51 JIS Japan W-phase system high-speed tool steel
SKD8
SKT3
SKT4
SKT6
SKH2
SKH3
SKH4
SKH10
SKH40
SKH50

Chemical composition(mass fraction)(wt.%) of the SKH51

C(％) Si(％) Mn(％) Cr(％) Mo(％) V(%) W(%)
0.80-0.88 Max 0.45 Max 0.40 3.80-4.50 4.70-5.20 1.70-2.10 5.90-6.70

Mechanical Properties of steel grade SKH51

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)
354 (≥) 468 (≥) 43 31 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade SKH51

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
42 - -     0.13 -  
876 769 - 14.3 341   -  
577 - 14 24.2   442 413

Heat Treatment of steel grade SKH51

Heat treated : 1962°C - 1728°C

Technological Curves of steel grade SKH51

Cross Reference Table (Equivalent Grade) of SKH51

Grade Standard Country Application
SKH51 JIS Japan W-phase system high-speed tool steel
SKH50 SKH52
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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