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Description

G10740 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: G10740
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel G10740
G10640
1065
G10650
1069
G10690
1070
G10700
1071
G10710
1074

Chemical composition(mass fraction)(wt.%) of the G10740

 



C
Si
Mn
P
S
Cr Ni
0.7-0.8   0.5-0.8 0.04 0.05    
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
        3 ; 4    
            Si≤0.1%, 0.1-0.2%,0.2-0.4%,0.3-0.6%

Cu≤0.2%

Mechanical Properties of steel grade G10740

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)
221 (≥) 478 (≥) 34 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade G10740

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 - -     0.24 -  
299 356 - 13.3 222   -  
321 - 43 41.2   434 341

Heat Treatment of steel grade G10740

Heat treated : 1867°C - 1827°C

Technological Curves of steel grade G10740


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