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Description

SB49M Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SB49M
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SB49M
SGV49
SB410
SB42
SB450
SB46
SB480
SB49
SB450M
SB46M
SB480M

Chemical composition(mass fraction)(wt.%) of the SB49M

 

 

C
Si
Mn
P
S
Cr Ni
 0.2-0.27  0.15-0.4 0.9  0.03 0.03     
Mo Al Cu Nb Ti V Ce
 0.45-0.6            
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SB49M

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)
638 (≥) 839 (≥) 23 33 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade SB49M

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 - -     0.12 -  
284 281 - 22.3 113   -  
278 - 21 22.2   443 141

Heat Treatment of steel grade SB49M

Heat treated : 1453°C - 1181°C

Technological Curves of steel grade SB49M


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