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Description

SWRCH18A Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SWRCH18A
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SWRCH18A
SWRCH10R
SWRCH12R
SWRCH15R
SWRCH17R
SWRCH6A
SWRCH8A
SWRCH10A
SWRCH12A
SWRCH15A
SWRCH16A

Chemical composition(mass fraction)(wt.%) of the SWRCH18A

 

 

C
Si
Mn
P
S
Cr Ni
0.15-0.2 0.1 0.6-0.9 0.03 0.035 ≤0.2 ≤0.2
Mo Al Cu Nb Ti V Ce
  ≥0.02 ≤0.3        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SWRCH18A

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)
771 (≥) 986 (≥) 31 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade SWRCH18A

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
23 - -     0.44 -  
714 641 - 21.3 124   -  
245 - 44 22.2   122 341

Heat Treatment of steel grade SWRCH18A

Heat treated : 1368°C - 1867°C

Technological Curves of steel grade SWRCH18A

Cross Reference Table (Equivalent Grade) of SWRCH18A

Grade Standard Country Application
SWRCH18A China China Taiwan Structural steel

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