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Description

1.4538 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 1.4538

Chemical composition(mass fraction)(wt.%) of the 1.4538

C
Si
Mn
P
S
Cr Ni
0.020   1.00 1.00  0.035   0.010 19.0-21.0  24.0-26.0 
Mo Al Cu Nb Ti V Ce
4.00-5.00   1.00-2.00         
N Co Pb B Other    
0.040-0.150            
             

Mechanical Properties of steel grade 1.4538

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)
133 (≥) 648 (≥) 34 22 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade 1.4538

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
41 - -     0.32 -  
499 177 - 12.3 224   -  
453 - 41 23.2   123 211

Heat Treatment of steel grade 1.4538

Heat treated : 1222°C - 1963°C

Technological Curves of steel grade 1.4538


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