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12 CrMo 12 10

Germany DIN 12CrMo1210 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: 12CrMo1210 / 12 CrMo 12 10
Category Grade Standard Region/Area Standard Content
Metals 12 CrMo 12 10 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 12 CrMo 12 10

Element Min Max Similar
Si - 0.5000 -
S - 0.0200 -
P - 0.0250 -
Mo 0.8000 1.0600 -
Mn 0.3000 0.6000 -
Cr 2.6500 3.3500 -
C 0.0600 0.1500 -

Mechanical Properties of steel grade 12 CrMo 12 10

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)
259 (≥) 393 (≥) 31 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade 12 CrMo 12 10

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 - -     0.11 -  
153 362 - 13.3 242   -  
161 - 11 12.2   231 413

Heat Treatment of steel grade 12 CrMo 12 10

Heat treated : 1559°C - 1758°C

Technological Curves of steel grade 12 CrMo 12 10

Cross Reference Table (Equivalent Grade) of 12 CrMo 12 10

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