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NiCr20CoMo

Description

Germany DIN NiCr20CoMo The high-temperature and high-strength steel and NiCr20CoMo Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: NiCr20CoMo
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel NiCr20CoMo DIN Germany The high-temperature and high-strength steel
X40CoNi20-20
1.4978
X50CoCrNi20-20
1.4944
X6NiCrTiMoVB25-15-2/X5NiCrTi26-15
1.4980
X8CrNiMoNb16-16
1.4981
1.4984
2.4982

Chemical composition(mass fraction)(wt.%) of the NiCr20CoMo

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) Co(%) Al(%) Ti(%) Other(%)
Max 0.10 Max 1.00 Max 1.00 Max 0.020 Max 0.010 18.0-21.0 4.00-5.00 15.0-21.0 0.80-2.00 1.80-3.00 Fe Max 5.00

Mechanical Properties of steel grade NiCr20CoMo

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)
721 (≥) 842 (≥) 21 33 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade NiCr20CoMo

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
31 - -     0.41 -  
112 711 - 12.3 421   -  
353 - 21 41.2   111 122

Heat Treatment of steel grade NiCr20CoMo

Heat treated : 1823°C - 1973°C

Technological Curves of steel grade NiCr20CoMo

Cross Reference Table (Equivalent Grade) of NiCr20CoMo

Grade Standard Country Application
NiCr20CoMo DIN Germany The high-temperature and high-strength steel

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