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20 CrMoV 13 5

Germany DIN 20CrMoV135 Seamless circular steel tubes for hydrogen service at elevated temperatures and pressures; technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20CrMoV135 / 20 CrMoV 13 5
Category Grade Standard Region/Area Standard Content
Metals 20 CrMoV 13 5 DIN 17176 Germany Seamless circular steel tubes for hydrogen service at elevated temperatures and pressures; technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the 20 CrMoV 13 5

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0200 -
P - 0.0250 -
Mo 0.5000 0.6000 -
Mn 0.3000 0.5000 -
Cr 3.0000 3.3000 -
C 0.1700 0.2300 -

Mechanical Properties of steel grade 20 CrMoV 13 5

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)
245 (≥) 578 (≥) 13 11 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade 20 CrMoV 13 5

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
13 - -     0.31 -  
948 241 - 32.3 243   -  
764 - 12 22.2   322 234

Heat Treatment of steel grade 20 CrMoV 13 5

Heat treated : 1144°C - 1315°C

Technological Curves of steel grade 20 CrMoV 13 5

Cross Reference Table (Equivalent Grade) of 20 CrMoV 13 5

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