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Description

Ck85 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: Ck85
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel Ck85
C67S
1.1231
Ck67
1.1231
C75S
1.1248
Ck75
1.1248
C85S
1.1269

Chemical composition(mass fraction)(wt.%) of the Ck85

 

C
Si
Mn
P
S
Cr Ni
0.80-0.90   0.15-0.35 0.40-0.70  0.025  0.025   0.40 ≤0.40
Mo Al Cu Nb Ti V Ce
 0.10            
N Co Pb B Other    
             
             

Mechanical Properties of steel grade Ck85

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)
437 (≥) 683 (≥) 32 11 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade Ck85

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
12 - -     0.14 -  
792 994 - 34.3 444   -  
313 - 22 31.2   144 434

Heat Treatment of steel grade Ck85

Heat treated : 1166°C - 1475°C

Technological Curves of steel grade Ck85


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