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Description

1.4857 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 1.4857

Chemical composition(mass fraction)(wt.%) of the 1.4857

C
Si
Mn
P
S
Cr Ni
 0.30-0.50 1.00-2.50  2.00  0.040   0.030 24.0-27.0 33.0-36.0 
Mo Al Cu Nb Ti V Ce
0.50             
N Co Pb B Other    
             
             

  

Mechanical Properties of steel grade 1.4857

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)
583 (≥) 159 (≥) 22 42 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade 1.4857

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
34 - -     0.44 -  
782 571 - 21.3 132   -  
847 - 24 13.2   121 344

Heat Treatment of steel grade 1.4857

Heat treated : 1786°C - 1552°C

Technological Curves of steel grade 1.4857


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