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Description

S2Si Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: S2Si
Category Type Steel Grade Standard Country Application
Steel GradesMould Steel S2Si
SG2
SG3
SGR1
SGR2
S1
S2
S3
S4
S6
S1Si

Chemical composition(mass fraction)(wt.%) of the S2Si

C
Si
Mn
P
S
Cr Ni
0.07-0.15  0.15-0.40  0.80-1.20 0.025  0.025   0.15  ≤0.15
Mo Al Cu Nb Ti V Ce
     0.30        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade S2Si

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)
572 (≥) 252 (≥) 34 13 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade S2Si

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 - -     0.43 -  
769 747 - 31.3 344   -  
529 - 21 22.2   423 111

Heat Treatment of steel grade S2Si

Heat treated : 1235°C - 1724°C

Technological Curves of steel grade S2Si


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