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Description

1.4777 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 1.4777
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel 1.4777
1.4710
GX40CrSi13
1.4729
GX40CrSi17
1.4740
GX40CrSi24
1.4745
GX40CrSi28
1.4776
GX130CrSi29

Chemical composition(mass fraction)(wt.%) of the 1.4777

C
Si
Mn
P
S
Cr Ni
1.20-1.40 1.00-2.50  0.50-1.00 0.035  0.030  27.0-30.0  1.00
Mo Al Cu Nb Ti V Ce
 0.50            
N Co Pb B Other    
             
             

  

Mechanical Properties of steel grade 1.4777

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)
191 (≥) 769 (≥) 12 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade 1.4777

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 - -     0.32 -  
987 741 - 32.3 133   -  
146 - 14 42.2   313 141

Heat Treatment of steel grade 1.4777

Heat treated : 1589°C - 1756°C

Technological Curves of steel grade 1.4777


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