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13 CrMo 4 4 KW

Austria ONORM 13CrMo44KW Steel plates for boilers and pressure vessels; quality specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 13CrMo44KW / 13 CrMo 4 4 KW
Category Grade Standard Region/Area Standard Content
Metals 13 CrMo 4 4 KW ÖNORM M3121 Austria Steel plates for boilers and pressure vessels; quality specifications

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

Element Min Max Similar

Mechanical Properties of steel grade 13 CrMo 4 4 KW

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)
887 (≥) 792 (≥) 31 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade 13 CrMo 4 4 KW

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
42 - -     0.13 -  
562 586 - 42.3 121   -  
286 - 14 24.2   212 224

Heat Treatment of steel grade 13 CrMo 4 4 KW

Heat treated : 1373°C - 1164°C

Technological Curves of steel grade 13 CrMo 4 4 KW

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

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