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Description

1.4745 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 1.4745
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel 1.4745
1.4408
G-X6CrNiMoN17-13-5
1.4439
GX30CrSi7
1.4710
GX40CrSi13
1.4729
GX40CrSi17
1.4740
GX40CrSi24

Chemical composition(mass fraction)(wt.%) of the 1.4745

C
Si
Mn
P
S
Cr Ni
0.30-0.50  1.00-2.50  1.00 0.040  0.030  23.0-26.0  1.00
Mo Al Cu Nb Ti V Ce
 0.50            
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 1.4745

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)
641 (≥) 867 (≥) 24 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade 1.4745

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
12 - -     0.43 -  
446 655 - 11.3 312   -  
344 - 11 43.2   323 221

Heat Treatment of steel grade 1.4745

Heat treated : 1879°C - 1191°C

Technological Curves of steel grade 1.4745


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