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Description

SUM43 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SUM43
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SUM43
SUM22L
SUM23
SUM23L
SUM24L
SUM25
SUM31
SUM31L
SUM32
SUM41
SUM42

Chemical composition(mass fraction)(wt.%) of the SUM43

 


C
Si
Mn
P
S
Cr Ni
0.4-0.48 0.1-0.35 1.35-1.65 0.04 0.24-0.33    
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SUM43

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)
933 (≥) 823 (≥) 34 14 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade SUM43

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
34 - -     0.44 -  
633 881 - 24.3 122   -  
947 - 43 43.2   121 431

Heat Treatment of steel grade SUM43

Heat treated : 1978°C - 1194°C

Technological Curves of steel grade SUM43

Cross Reference Table (Equivalent Grade) of SUM43

Grade Standard Country Application
SUM43 China China Taiwan Structural steel

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