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Description

CG27 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: CG27

Chemical composition(mass fraction)(wt.%) of the CG27

C
Si
Mn
P
S
Cr Ni
0.02-0.08 0.25 0.25     12.5-14 36.5-39.5
Mo Al Cu Nb Ti V Ce
5-6 1.45-1.75     2.3-2.7    
N Co Pb B Other    
0.6-1.1     0.003-0.015 Fe...    
             

Mechanical Properties of steel grade CG27

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)
592 (≥) 281 (≥) 34 24 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade CG27

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
42 - -     0.13 -  
766 362 - 21.3 144   -  
781 - 42 12.2   133 322

Heat Treatment of steel grade CG27

Heat treated : 1914°C - 1474°C

Technological Curves of steel grade CG27


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