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Description

SUP9A Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SUP9A
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SUP9A
SWRCH38K
SWRCH40K
SWRCH41K
SWRCH43K
SWRCH45K
SWRCH48K
SWRCH50K
SUP6
SUP7
SUP9

Chemical composition(mass fraction)(wt.%) of the SUP9A

C
Si
Mn
P
S
Cr Ni
 0.56-0.64 0.15-0.35 0.7-1.0  0.03  0.03  0.7-1.0   
Mo Al Cu Nb Ti V Ce
     0.3        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SUP9A

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)
491 (≥) 725 (≥) 43 11 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade SUP9A

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
42 - -     0.13 -  
474 854 - 34.3 134   -  
596 - 23 13.2   234 232

Heat Treatment of steel grade SUP9A

Heat treated : 1821°C - 1511°C

Technological Curves of steel grade SUP9A

Cross Reference Table (Equivalent Grade) of SUP9A

Grade Standard Country Application
SUP9A China China Taiwan Structural steel

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