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13 CrMo 4 4

Germany DIN 13CrMo44 Seamless Tubes of Heat-resistant Steels - Technical Conditions of Delivery and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 13CrMo44 / 13 CrMo 4 4
Category Grade Standard Region/Area Standard Content
Metals 13 CrMo 4 4 DIN 17175 Germany Seamless Tubes of Heat-resistant Steels - Technical Conditions of Delivery

Chemical composition(mass fraction)(wt.%) of the 13 CrMo 4 4

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0400 -
P - 0.0400 -
Mo 0.4000 0.5000 -
Mn 0.4000 0.7000 -
Cr 0.7000 1.0000 -
C 0.1000 0.1800 -
Si - 0.4000 -
S - 0.0300 -
P - 0.0350 -
Mo 0.4000 0.8000 -
Mn 0.4000 0.7000 -
Cr 0.8000 1.1500 -
C 0.1000 0.1800 -
Si 0.1000 0.3500 -
S - 0.0350 -
P - 0.0350 -
Mo 0.4500 0.6500 -
Mn 0.4000 0.7000 -
Cr 0.7000 1.1000 -
C 0.1000 0.1800 -

Mechanical Properties of steel grade 13 CrMo 4 4

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)
395 (≥) 296 (≥) 12 22 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade 13 CrMo 4 4

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
21 - -     0.13 -  
173 379 - 31.3 444   -  
666 - 21 13.2   121 221

Heat Treatment of steel grade 13 CrMo 4 4

Heat treated : 1469°C - 1128°C

Technological Curves of steel grade 13 CrMo 4 4

Cross Reference Table (Equivalent Grade) of 13 CrMo 4 4

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