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SKS 31

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SKS 3 SKS 93
#SKS #31

Description

SKS 31 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: SKS 31
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel SKS 31
SKS 5
SKS 51
SKS 7
SKS 81
SKS 8
SKS 4
SKS 41
SKS 43
SKS 44
SKS 3

Chemical composition(mass fraction)(wt.%) of the SKS 31

 

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.95-1.05 0.35 0.9-1.2  0.03   0.03 0.8-1.2  ≤0.25 
Mo Al Cu Nb Ti V Ce
     ≤0.25     0.1-0.2   
N Co Pb W Other    
       0.5-1.0      
             

Mechanical Properties of steel grade SKS 31

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)
393 (≥) 764 (≥) 43 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade SKS 31

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 - -     0.21 -  
864 136 - 34.3 141   -  
924 - 44 24.2   334 233

Heat Treatment of steel grade SKS 31

Heat treated : 1897°C - 1927°C

Technological Curves of steel grade SKS 31

Cross Reference Table (Equivalent Grade) of SKS 31

Grade Standard Country Application
SKS11 JIS Japan Alloy tool steel - Tool steel
SKS2 JIS Japan Alloy tool steel - Tool steel
SKS21 JIS Japan Alloy tool steel - Tool steel
SKS5 JIS Japan Alloy tool steel - Tool steel
SKS51 JIS Japan Alloy tool steel - Tool steel
SKS7 JIS Japan Alloy tool steel - Tool steel
SKS81 JIS Japan Alloy tool steel - Tool steel
SKS8 JIS Japan Alloy tool steel - Tool steel
SKS4 JIS Japan shock-resistant steel
SKS41 JIS Japan shock-resistant steel
SKS43 JIS Japan shock-resistant steel
SKS44 JIS Japan shock-resistant steel
SKS3 JIS Japan Cold Work Die Steel
SKS31 JIS Japan Cold Work Die Steel
SKS93 JIS Japan Cold Work Die Steel
SKS94 JIS Japan Cold Work Die Steel
SKS95 JIS Japan Cold Work Die Steel
SKS2M JIS Japan Cold rolled special steel strip
SKS5M JIS Japan Cold rolled special steel strip
SKS7M JIS Japan Cold rolled special steel strip
SKS 3 SKS 93
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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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