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Description

Germany DIN 1.4944 The high-temperature and high-strength steel and 1.4944 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.4944
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4944 DIN Germany The high-temperature and high-strength steel
2.4973
NiCr19CoMo
NiFeCr12Mo
2.4975
NiCr20Mo
NiCr20Mo
1.4977
X40CoNi20-20
1.4978
X50CoCrNi20-20

Chemical composition(mass fraction)(wt.%) of the 1.4944

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) Al(%) Ti(%)
0.03-0.08 Max 1.00 1.00-2.00 Max 0.025 Max 0.015 Max 0.015 24.0-27.0 1.00-1.50 0.10-0.50 Max 0.35 1.90-2.30

Mechanical Properties of steel grade 1.4944

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)
252 (≥) 947 (≥) 34 24 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade 1.4944

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 - -     0.22 -  
324 273 - 43.3 232   -  
777 - 31 22.2   114 432

Heat Treatment of steel grade 1.4944

Heat treated : 1763°C - 1281°C

Technological Curves of steel grade 1.4944

Cross Reference Table (Equivalent Grade) of 1.4944

Grade Standard Country Application
1.4944 DIN Germany The high-temperature and high-strength steel

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