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Description

SWRCH20K Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SWRCH20K
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SWRCH20K
SWRCH19A
SWRCH20A
SWRCH22A
SWRCH25A
SWRCH10K
SWRCH12K
SWRCH15K
SWRCH16K
SWRCH17K
SWRCH18K

Chemical composition(mass fraction)(wt.%) of the SWRCH20K

 


C
Si
Mn
P
S
Cr Ni
0.18-0.23 0.1-0.35 0.3-0.6 0.03 0.035 ≤0.2 ≤0.2
Mo Al Cu Nb Ti V Ce
    ≤0.3        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SWRCH20K

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 (≥) 981 (≥) 24 11 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade SWRCH20K

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 - -     0.42 -  
382 776 - 42.3 124   -  
651 - 12 34.2   124 233

Heat Treatment of steel grade SWRCH20K

Heat treated : 1466°C - 1993°C

Technological Curves of steel grade SWRCH20K

Cross Reference Table (Equivalent Grade) of SWRCH20K

Grade Standard Country Application
SWRCH20K China China Taiwan Structural steel

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