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Description

1.7725 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 1.7725
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel 1.7725
1.5419
G20NiMoCr4
1.6750
G24Mn6
1.1118
G26CrMo4
1.7221
G28Mn6
1.1165
G30CrMoV6-4

Chemical composition(mass fraction)(wt.%) of the 1.7725

C
Si
Mn
P
S
Cr Ni
0.27-0.34  0.60  0.60-1.00  0.025  0.020  1.30-1.70   
Mo Al Cu Nb Ti V Ce
0.30-0.50          0.05-0.15   
N Co Pb B Other    
             
             

 

Mechanical Properties of steel grade 1.7725

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)
287 (≥) 477 (≥) 41 12 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade 1.7725

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
21 - -     0.34 -  
939 959 - 34.3 421   -  
583 - 44 13.2   134 142

Heat Treatment of steel grade 1.7725

Heat treated : 1311°C - 1867°C

Technological Curves of steel grade 1.7725

Cross Reference Table (Equivalent Grade) of 1.7725

Grade Standard Country Application
1.7725 DIN Germany

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