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SKS31

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SKS3 SKS93
#SKS31

Description

Japan JIS SKS31 Cold Work Die Steel and SKS31 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: SKS31
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy SKS31 JIS Japan Cold Work Die Steel
SKS5
SKS51
SKS7
SKS81
SKS8
SKS4
SKS41
SKS43
SKS44
SKS3

Chemical composition(mass fraction)(wt.%) of the SKS31

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) W(%)
0.95-1.05 Max 0.35 0.90-1.20 Max 0.030 Max 0.030 0.80-1.20 0.50-1.00

Mechanical Properties of steel grade SKS31

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)
753 (≥) 329 (≥) 44 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade SKS31

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
24 - -     0.22 -  
723 496 - 34.3 221   -  
324 - 34 22.2   324 412

Heat Treatment of steel grade SKS31

Heat treated : 1816°C - 1172°C

Technological Curves of steel grade SKS31

Cross Reference Table (Equivalent Grade) of SKS31

Grade Standard Country Application
SKS31 JIS Japan Cold Work Die Steel
SKS3 SKS93
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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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