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Description

SCPL21 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: SCPL21
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel SCPL21
SCPH1
SCPH11
SCPH2
SCPH21
SCPH22
SCPH23
SCPH32
SCPH61
SCPL1
SCPL11

Chemical composition(mass fraction)(wt.%) of the SCPL21

C
Si
Mn
P
S
Cr Ni
 0.25 0.6   0.5-0.8 0.04   0.04 ≤0.35  2.0-3.0
Mo Al Cu Nb Ti V Ce
     ≤0.5        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SCPL21

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)
193 (≥) 611 (≥) 14 33 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade SCPL21

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 - -     0.31 -  
438 978 - 23.3 113   -  
433 - 42 41.2   213 214

Heat Treatment of steel grade SCPL21

Heat treated : 1662°C - 1662°C

Technological Curves of steel grade SCPL21


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