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Global 企业标准 B850 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B850 / B850
Category Grade Standard Region/Area Standard Content
Metals B850 -- Global

Chemical composition(mass fraction)(wt.%) of the B850

Element Min Max Similar
Total Others - 0.3000 -
Ti - 0.2000 -
Sn 5.5000 7.0000 -
Si - 0.4000 -
Ni 0.9000 1.5000 -
Mn - 0.1000 -
Mg 0.6000 0.9000 -
Fe - 0.7000 -
Cu 1.7000 2.3000 -
Al - - -

Mechanical Properties of steel grade B850

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)
248 (≥) 217 (≥) 31 32 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade B850

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
11 - -     0.42 -  
652 754 - 23.3 111   -  
627 - 43 21.2   324 431

Heat Treatment of steel grade B850

Heat treated : 1422°C - 1281°C

Technological Curves of steel grade B850

Cross Reference Table (Equivalent Grade) of B850

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