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Description

SKS51M Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: SKS51M
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel SKS51M
SK4M
SK85M
SK5M
SK75M
SK6M
SK65M
SK7M
SKS2M
SKS5M
SKS7M

Chemical composition(mass fraction)(wt.%) of the SKS51M

 

 

C
Si
Mn
P
S
Cr Ni
0.75-0.85 0.35 0.5 0.03 0.03 0.2-0.5 1.3-2.0
Mo Al Cu Nb Ti V W
    ≤0.25        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SKS51M

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)
923 (≥) 881 (≥) 23 41 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade SKS51M

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
34 - -     0.41 -  
779 241 - 12.3 111   -  
367 - 12 34.2   321 332

Heat Treatment of steel grade SKS51M

Heat treated : 1816°C - 1697°C

Technological Curves of steel grade SKS51M

Cross Reference Table (Equivalent Grade) of SKS51M

Grade Standard Country Application
SKS51M JIS Japan Cold rolled special steel strip

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