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Description

SK105M Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: SK105M
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel SK105M
SKH 52
SKH 53
SKH 54
SKH 55
SKH 56
SKH 57
SKH 58
SKH 59
SK2M
SK120M

Chemical composition(mass fraction)(wt.%) of the SK105M

 

C
Si
Mn
P
S
Cr Ni
1.0-1.1 0.35 0.5 0.03 0.03 ≤0.3 ≤0.25
Mo Al Cu Nb Ti V Ce
    ≤0.25        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SK105M

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)
376 (≥) 776 (≥) 23 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade SK105M

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 - -     0.33 -  
163 323 - 43.3 442   -  
489 - 21 32.2   314 242

Heat Treatment of steel grade SK105M

Heat treated : 1948°C - 1688°C

Technological Curves of steel grade SK105M


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