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Description

1.6779 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 1.6779

Chemical composition(mass fraction)(wt.%) of the 1.6779

 

C
Si
Mn
P
S
Cr Ni
 0.12-0.16  0.30 0.55-0.70  0.010  0.010  1.30-1.80   2.70-3.00
Mo Al Cu Nb Ti V Ce
0.45-0.55             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 1.6779

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)
751 (≥) 162 (≥) 41 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade 1.6779

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
14 - -     0.34 -  
949 871 - 33.3 244   -  
929 - 31 41.2   212 232

Heat Treatment of steel grade 1.6779

Heat treated : 1129°C - 1152°C

Technological Curves of steel grade 1.6779

Cross Reference Table (Equivalent Grade) of 1.6779

Grade Standard Country Application
1.6779 DIN Germany

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