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Description

2.4951 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 2.4951
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy 2.4951
1.4922
1.4923
1.4934
1.4935
1.4938
1.4939
1.4941
1.4945
1.4948
1.4949

Chemical composition(mass fraction)(wt.%) of the 2.4951

 

 

Si 
Mn 
 P
 S
Cr   Ni  Mo  Other
 0.80-0.15  1.00  1.00  0.020  0.015  18.0-21.0  ≥72.0  ------  Co 5.00   Al 0.30  
Ti 0.20-0.60  
B ≤ 0.006   Fe
5.00   Cu 0.20

Mechanical Properties of steel grade 2.4951

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)
522 (≥) 871 (≥) 31 42 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade 2.4951

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 - -     0.23 -  
923 566 - 44.3 432   -  
419 - 12 21.2   331 224

Heat Treatment of steel grade 2.4951

Heat treated : 1178°C - 1842°C

Technological Curves of steel grade 2.4951

Cross Reference Table (Equivalent Grade) of 2.4951

Grade Standard Country Application
2.4951 DIN Germany The high-temperature and high-strength steel

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