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Description

Germany DIN 1.4981 The high-temperature and high-strength steel and 1.4981 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.4981
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4981 DIN Germany The high-temperature and high-strength steel
NiCr20Mo
NiCr20Mo
1.4977
X40CoNi20-20
1.4978
X50CoCrNi20-20
1.4944
X6NiCrTiMoVB25-15-2/X5NiCrTi26-15
1.4980
X8CrNiMoNb16-16

Chemical composition(mass fraction)(wt.%) of the 1.4981

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Other(%)
0.04-0.10 0.30-0.60 Max 1.50 Max 0.035 Max 0.015 15.5-17.5 15.5-17.5 1.60-2.00 10×C%Max Nb+TaMax 1.20

Mechanical Properties of steel grade 1.4981

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)
219 (≥) 781 (≥) 33 21 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade 1.4981

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
41 - -     0.32 -  
976 651 - 21.3 324   -  
639 - 34 34.2   112 244

Heat Treatment of steel grade 1.4981

Heat treated : 1174°C - 1334°C

Technological Curves of steel grade 1.4981

Cross Reference Table (Equivalent Grade) of 1.4981

Grade Standard Country Application
1.4981 DIN Germany The high-temperature and high-strength steel

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