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SKS4

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SKS8 SKS41
#SKS4

Description

Japan JIS SKS4 shock-resistant steel and SKS4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: SKS4
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy SKS4 JIS Japan shock-resistant steel
SK7
SK60
SKS11
SKS2
SKS21
SKS5
SKS51
SKS7
SKS81
SKS8

Chemical composition(mass fraction)(wt.%) of the SKS4

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) W(%)
0.45-0.55 Max 0.35 Max 0.50 Max 0.030 Max 0.030 0.50-1.00 0.50-1.00

Mechanical Properties of steel grade SKS4

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)
451 (≥) 498 (≥) 14 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade SKS4

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
13 - -     0.14 -  
866 874 - 12.3 314   -  
523 - 41 13.2   342 142

Heat Treatment of steel grade SKS4

Heat treated : 1919°C - 1144°C

Technological Curves of steel grade SKS4

Cross Reference Table (Equivalent Grade) of SKS4

Grade Standard Country Application
SKS4 JIS Japan shock-resistant steel
SKS41 JIS Japan shock-resistant steel
SKS43 JIS Japan shock-resistant steel
SKS44 JIS Japan shock-resistant steel
SKS8 SKS41
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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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