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Description

12Cr-4Ni Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 12Cr-4Ni

Chemical composition(mass fraction)(wt.%) of the 12Cr-4Ni

 

C
Si
Mn
P
S
Cr Ni
0.06 1.0 1.0 0.04 0.03 11.5-14.0 3.5-4.5
Mo Al Cu Nb Ti V Ce
0.4-1.0            
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 12Cr-4Ni

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)
471 (≥) 372 (≥) 32 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade 12Cr-4Ni

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 - -     0.11 -  
627 888 - 12.3 114   -  
538 - 13 44.2   333 242

Heat Treatment of steel grade 12Cr-4Ni

Heat treated : 1525°C - 1484°C

Technological Curves of steel grade 12Cr-4Ni

Cross Reference Table (Equivalent Grade) of 12Cr-4Ni

Grade Standard Country Application
12Cr-4Ni AISI USA

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