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21Cr-24Ni+Mo+N

Description

21Cr-24Ni+Mo+N Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 21Cr-24Ni+Mo+N

Chemical composition(mass fraction)(wt.%) of the 21Cr-24Ni+Mo+N

 

 

C
Si
Mn
P
S
Cr Ni
0.03 1.0 2.0 0.04 0.04 20.0-22.0 23.5-25.5
Mo Al Cu Nb Ti V Ce
6.0-7.0   ≤0.75        
N Co Pb B Other    
0.18-0.2            
             

Mechanical Properties of steel grade 21Cr-24Ni+Mo+N

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)
988 (≥) 265 (≥) 12 43 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade 21Cr-24Ni+Mo+N

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
11 - -     0.12 -  
427 843 - 32.3 433   -  
737 - 11 12.2   441 143

Heat Treatment of steel grade 21Cr-24Ni+Mo+N

Heat treated : 1815°C - 1659°C

Technological Curves of steel grade 21Cr-24Ni+Mo+N

Cross Reference Table (Equivalent Grade) of 21Cr-24Ni+Mo+N

Grade Standard Country Application
21Cr-24Ni+Mo+N AISI USA
21Cr-24Ni+Mo+N AISI USA

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