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Description

1.4448 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 1.4448

Chemical composition(mass fraction)(wt.%) of the 1.4448

C
Si
Mn
P
S
Cr Ni
0.07  1.00  2.00  0.045  0.030  16.0-18.0  12.5-14.5 
Mo Al Cu Nb Ti V Ce
 4.00-5.00            
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 1.4448

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)
221 (≥) 599 (≥) 21 42 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade 1.4448

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
42 - -     0.32 -  
845 652 - 24.3 113   -  
284 - 44 23.2   341 112

Heat Treatment of steel grade 1.4448

Heat treated : 1794°C - 1256°C

Technological Curves of steel grade 1.4448


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