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Description

20Cr Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 20Cr

Chemical composition(mass fraction)(wt.%) of the 20Cr

 

 


C
Si
Mn
P
S
Cr Ni
0.3 1.5 1.0 0.04 0.04 18.0-21.0 ≤2.0
Mo Al Cu Nb Ti V Se
    0.9-1.2        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 20Cr

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)
257 (≥) 918 (≥) 21 41 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade 20Cr

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 - -     0.34 -  
668 111 - 13.3 134   -  
535 - 22 21.2   443 334

Heat Treatment of steel grade 20Cr

Heat treated : 1359°C - 1859°C

Technological Curves of steel grade 20Cr

Cross Reference Table (Equivalent Grade) of 20Cr

Grade Standard Country Application
X220CrVMo12-2 DIN Germany Cold working alloy tool steel
X20CrMo13 DIN Germany Hot working alloy tool steel
X20Cr13 AFNOR France Carbide for cutting tools
X20Cr13 AFNOR France Carbide for cutting tools
X20Cr13 AFNOR France Carbide for cutting tools
X20Cr13 AFNOR France Carbide for cutting tools
X20CrMoWV12-1 DIN Germany The high-temperature and high-strength steel
X20Cr13(AFNOR) AFNOR France Martensite And Precipitation Hardening
20CrMnVTiB4-10 AFNOR France Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
20Cr ASTM USA
20Cr-29Ni+Mo+Cu AISI USA
20Cr-18Ni+Mo+Cu AISI USA
20Cr-29Ni+Mo+Cu AISI USA
20Cr-18Ni+Mo+Cu AISI USA
20Cr-25Ni AISI USA
ISO X20Cr13 ISO standard thermal deformation of stainless steel
ISO X20CrMoNiNbV11 1 High temperature bainite and martensite steel ISO standard internal combustion engine
20Cr25Ni20 China Stainless steel bars
20Cr13Mn9Ni4 China Stainless steel bars
20Cr15Mn15Ni2N China Stainless steel bars

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