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Description

B41 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: B41
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel B41
4620H
4720H
4817H
4820H
5120H
8617H
8620H
9310H
B40
C56E

Chemical composition(mass fraction)(wt.%) of the B41

C
Si
Mn
P
S
Cr Ni
0.52-0.6   0.4 0.9-1.2  0.025  0.015     
Mo Al Cu Nb Ti V Ce
   0.05 0.3     +    
N O2 Pb B Other    
  0.002           
             

Mechanical Properties of steel grade B41

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)
813 (≥) 226 (≥) 11 33 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade B41

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 - -     0.41 -  
444 698 - 43.3 422   -  
736 - 14 24.2   421 344

Heat Treatment of steel grade B41

Heat treated : 1869°C - 1986°C

Technological Curves of steel grade B41

Cross Reference Table (Equivalent Grade) of B41

Grade Standard Country Application
SB410 China China Taiwan Structural steel

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