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Description

SK80 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: SK80
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel SK80
SK120
SK2 TC120
SK105
SK3 TC105
SK95
SK4
SK90
TC90
SK85
SK5

Chemical composition(mass fraction)(wt.%) of the SK80

 

C
Si
Mn
P
S
Cr Ni
 0.75-0.85 0.1-0.35  0.1-0.5   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 SK80

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)
918 (≥) 931 (≥) 41 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade SK80

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
22 - -     0.44 -  
272 481 - 32.3 422   -  
852 - 12 23.2   212 234

Heat Treatment of steel grade SK80

Heat treated : 1551°C - 1362°C

Technological Curves of steel grade SK80

Cross Reference Table (Equivalent Grade) of SK80

Grade Standard Country Application
SK80 JIS Japan Carbon tool steel

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