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Description

Germany DIN 1.4971 The high-temperature and high-strength steel and 1.4971 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 1.4971
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 1.4971 DIN Germany The high-temperature and high-strength steel
X8CrNiNb16-13
1.4961
X12CrNiWTi16-13
1.4962
2.4964
CoCr20W15Ni
NiCr20Co18Ti
2.4969
2.4632
1.4974

Chemical composition(mass fraction)(wt.%) of the 1.4971

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) W(%) N(%) Co(%) Other(%)
0.08-0.16 0.08-0.16 1.00-2.00 Max 0.040 Max 0.030 20.0-22.5 19.0-21.0 2.50-3.50 2.00-3.00 0.1-0.2 18.5-21.0 Nb/Ta 0.75-1.25

Mechanical Properties of steel grade 1.4971

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)
188 (≥) 486 (≥) 31 32 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade 1.4971

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
24 - -     0.41 -  
586 263 - 14.3 223   -  
933 - 14 41.2   414 331

Heat Treatment of steel grade 1.4971

Heat treated : 1631°C - 1466°C

Technological Curves of steel grade 1.4971

Cross Reference Table (Equivalent Grade) of 1.4971

Grade Standard Country Application
1.4971 DIN Germany The high-temperature and high-strength steel

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