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Description

SCW550 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: SCW550
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel SCW550
SCMnH11
SCMnH2
SCMnH21
SCMnH3
SCW410
SCW42
SCW450
SCW46
SCW480
SCW49

Chemical composition(mass fraction)(wt.%) of the SCW550

 

C
Si
Mn
P
S
Cr Ni
 0.22 0.8  1.5  0.04  0.04  ≤0.5  ≤2.5 
Mo Al Cu Nb Ti V CE
≤ 0.3         ≤0.2  ≤0.48
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SCW550

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)
156 (≥) 448 (≥) 11 11 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade SCW550

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 - -     0.34 -  
561 649 - 22.3 142   -  
788 - 21 21.2   123 231

Heat Treatment of steel grade SCW550

Heat treated : 1843°C - 1719°C

Technological Curves of steel grade SCW550


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