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Description

Germany DIN 2.4969 The high-temperature and high-strength steel and 2.4969 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 2.4969
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 2.4969 DIN Germany The high-temperature and high-strength steel
X8NiCrAlTi32-21
1.4960
X40CrCoNb13-13
X8CrNiNb16-13
1.4961
X12CrNiWTi16-13
1.4962
2.4964
CoCr20W15Ni
NiCr20Co18Ti

Chemical composition(mass fraction)(wt.%) of the 2.4969

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Cu(%) Co(%) Al(%) Ti(%) Other(%)
Max 0.10 Max 1.00 Max 1.00 Max 0.030 Max 0.015 18.0-21.0 Max 0.20 15.0-21.0 1.00-2.00 2.00-3.00 Fe Max 2.00

Mechanical Properties of steel grade 2.4969

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)
779 (≥) 325 (≥) 22 43 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade 2.4969

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 - -     0.42 -  
375 557 - 21.3 242   -  
622 - 31 42.2   411 121

Heat Treatment of steel grade 2.4969

Heat treated : 1775°C - 1872°C

Technological Curves of steel grade 2.4969

Cross Reference Table (Equivalent Grade) of 2.4969

Grade Standard Country Application
2.4969 DIN Germany The high-temperature and high-strength steel

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