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Description

SCMnH21 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: SCMnH21
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel SCMnH21
SCH41
SCH42
SCH43
SCH44
SCH45
SCH46
SCH47
SCMnH1
SCMnH11
SCMnH2

Chemical composition(mass fraction)(wt.%) of the SCMnH21

C
Si
Mn
P
S
Cr Ni
 1.0-1.35  0.8 11-14  0.07  0.04  2.0-3.0  
Mo Al Cu Nb Ti V Ce
          0.4-0.7   
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SCMnH21

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)
861 (≥) 819 (≥) 12 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade SCMnH21

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
24 - -     0.22 -  
552 935 - 22.3 421   -  
194 - 33 41.2   411 121

Heat Treatment of steel grade SCMnH21

Heat treated : 1536°C - 1176°C

Technological Curves of steel grade SCMnH21


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