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X 20 CrMoV 12 1

Germany DIN X20CrMoV121 Seamless Tubes of Heat-resistant Steels - Technical Conditions of Delivery and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: X20CrMoV121 / X 20 CrMoV 12 1
Category Grade Standard Region/Area Standard Content
Metals X 20 CrMoV 12 1 DIN 17175 Germany Seamless Tubes of Heat-resistant Steels - Technical Conditions of Delivery

Chemical composition(mass fraction)(wt.%) of the X 20 CrMoV 12 1

Element Min Max Similar
V 0.2500 0.3600 -
Si - 0.5000 -
S - 0.0200 -
P - 0.0250 -
Ni 0.3000 0.8000 -
Mo 0.8000 1.2000 -
Mn - 1.0000 -
Cr 10.0000 12.5000 -
C 0.1700 0.2300 -

Mechanical Properties of steel grade X 20 CrMoV 12 1

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)
866 (≥) 867 (≥) 22 41 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade X 20 CrMoV 12 1

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
44 - -     0.44 -  
258 854 - 42.3 231   -  
351 - 14 43.2   222 131

Heat Treatment of steel grade X 20 CrMoV 12 1

Heat treated : 1744°C - 1854°C

Technological Curves of steel grade X 20 CrMoV 12 1

Cross Reference Table (Equivalent Grade) of X 20 CrMoV 12 1

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