1.4978

This page provides 1.4978 datasheet, 1.4978 mechanical properties, chemical element 1.4978, technical specifications of 1.4978 steel material properties. 1.4978 performance specifications.

Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4978 DIN Germany The high-temperature and high-strength steel
1.4971
X12CrCoNi21-20
2.4973
NiCr19CoMo
NiFeCr12Mo
2.4975
NiCr20Mo
NiCr20Mo
1.4977
X40CoNi20-20
Datasheet for:Steel Grades:Special Steel:1.4978

Chemical composition(mass fraction)(wt.%) of the 1.4978

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) W(%) Co(%) Other(%)
0.45-0.55 Max 1.00 Max 1.50 Max 0.045 Max 0.030 19.0-21.0 19.0-21.0 3.50-4.50 3.50-4.50 19.0-21.0 3.50-4.50

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 1.4978

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)
397 (≥) 335 (≥) 23 33 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 121
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
13 - -     0.31 -  
398 515 - 14.3 341   -  
252 - 44 34.2   444 321
Heat treated : 1839°C - 1621°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
1.4978 DIN Germany
The high-temperature and high-strength steel
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