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Description

B32 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: B32
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel B32
20MnCrMo4-2
B28
20NiCrMo2
B29
20NiCrMo7
20NiCrMo7
B30
18CrNiMo7-6
B31
18NiCrMo14-6

Chemical composition(mass fraction)(wt.%) of the B32

C
Si
Mn
P
S
Cr Ni
 0.14-0.2 0.4   0.25-0.55  0.025 0.015  1.0-1.4 3.8-4.3
Mo Al Cu Nb Ti V Ce
 0.2-0.3 ≤ 0.05 ≤0.3     +    
N O2 Pb B Other    
  ≤0.002           
             

Mechanical Properties of steel grade B32

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)
757 (≥) 924 (≥) 24 24 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade B32

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
21 - -     0.12 -  
392 514 - 43.3 341   -  
934 - 41 23.2   234 444

Heat Treatment of steel grade B32

Heat treated : 1216°C - 1358°C

Technological Curves of steel grade B32


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