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China GB B308Mo 不锈钢焊丝和焊带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B308Mo / B308Mo
Category Grade Standard Region/Area Standard Content
Metals B308Mo GB/T 29713 China 不锈钢焊丝和焊带

Chemical composition(mass fraction)(wt.%) of the B308Mo

Element Min Max Similar
C - 0.0800 -
Si - 0.6500 -
Mn 1.0000 2.5000 -
P - 0.0300 -
S - 0.0300 -
Cr 18.0000 21.0000 -
Ni 9.0000 12.0000 -
Mo 2.0000 3.0000 -
Cu - 0.7500 -

Mechanical Properties of steel grade B308Mo

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)
255 (≥) 794 (≥) 43 12 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade B308Mo

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 - -     0.14 -  
892 636 - 41.3 422   -  
213 - 14 41.2   321 143

Heat Treatment of steel grade B308Mo

Heat treated : 1846°C - 1882°C

Technological Curves of steel grade B308Mo

Cross Reference Table (Equivalent Grade) of B308Mo

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