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Description

SMA490BW Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SMA490BW
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SMA490BW
SMA41AW
SMA41BW
SMA41CW
SMA400AP
SMA400BP
SMA400CP
SMA41AP
SMA41BP
SMA41CP
SMA490AW

Chemical composition(mass fraction)(wt.%) of the SMA490BW

 


C
Si
Mn
P
S
Cr Ni
0.18 0.15-0.65 1.4 0.035 0.035 0.45-0.75 0.05-0.3
Mo Al Cu Nb Ti V Ce
    0.3-0.5        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SMA490BW

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)
111 (≥) 643 (≥) 43 21 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade SMA490BW

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 - -     0.42 -  
697 653 - 12.3 132   -  
428 - 21 11.2   134 433

Heat Treatment of steel grade SMA490BW

Heat treated : 1685°C - 1142°C

Technological Curves of steel grade SMA490BW

Cross Reference Table (Equivalent Grade) of SMA490BW

Grade Standard Country Application
SMA490BW China China Taiwan Structural steel

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