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Description

SCS21X Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: SCS21X
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel SCS21X
SCS16
SCS16A
SCS16AX
SCS16AXN
SCS17
SCS18
SCS19
SCS19A
SCS20
SCS21

Chemical composition(mass fraction)(wt.%) of the SCS21X

 

C
Si
Mn
P
S
Cr Ni
 0.08 1.5 1.5 0.04  0.03 18-21 9-12
Mo Al Cu Nb Ti V Ce
       8*C≤1.0      
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SCS21X

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)
715 (≥) 655 (≥) 33 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade SCS21X

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
13 - -     0.24 -  
452 139 - 44.3 342   -  
787 - 13 41.2   142 222

Heat Treatment of steel grade SCS21X

Heat treated : 1726°C - 1329°C

Technological Curves of steel grade SCS21X


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