B7

This page provides B7 datasheet, B7 mechanical properties, chemical element B7, technical specifications of B7 steel material properties. B7 performance specifications.

Category Class Grade Standard Country Application
Steel GradesCarbon Steel B7
Datasheet for:Steel Grades:Carbon Steel:B7

Chemical composition(mass fraction)(wt.%) of the B7

 

C
Si
Mn
P
S
Cr Ni
0.93-1.05  0.15-0.35  0.6-0.8  0.025  0.015 1.65-1.95  
Mo Al Cu Nb Ti V Ce
0.4-0.5 ≤ 0.05 ≤0.3     +    
N O2 Pb B Other    
  ≤0.015           
             

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade B7

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)
235 (≥) 191 (≥) 13 23 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 311
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 - -     0.33 -  
299 865 - 44.3 312   -  
824 - 34 11.2   313 144
Heat treated : 1394°C - 1421°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
B7 Suppliers

Haihong International Trade (HK) CO., Limited

Stainless Steel, Special Steel, Compressor Blading, Turbine Blading, Superalloy Supplier.
B7 can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
TEL:+86-816-3646575 FAX: +86-816-3639422
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E-mail: sales@tool-die-steels.com
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