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Description

SUM42 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SUM42
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SUM42
SUM22
SUM22L
SUM23
SUM23L
SUM24L
SUM25
SUM31
SUM31L
SUM32
SUM41

Chemical composition(mass fraction)(wt.%) of the SUM42

 


C
Si
Mn
P
S
Cr Ni
0.37-0.45 0.1-0.35 1.35-1.65 0.04 0.08-0.13    
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SUM42

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)
543 (≥) 959 (≥) 33 42 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade SUM42

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
13 - -     0.43 -  
297 714 - 24.3 433   -  
637 - 41 33.2   423 232

Heat Treatment of steel grade SUM42

Heat treated : 1534°C - 1841°C

Technological Curves of steel grade SUM42

Cross Reference Table (Equivalent Grade) of SUM42

Grade Standard Country Application
SUM42 China China Taiwan Structural steel

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