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China GB B347Si 不锈钢焊丝和焊带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B347Si / B347Si
Category Grade Standard Region/Area Standard Content
Metals B347Si GB/T 29713 China 不锈钢焊丝和焊带

Chemical composition(mass fraction)(wt.%) of the B347Si

Element Min Max Similar
C - 0.0800 -
Si 0.6500 1.0000 -
Mn 1.0000 2.5000 -
P - 0.0300 -
S - 0.0300 -
Cr 19.0000 21.5000 -
Ni 9.0000 11.0000 -
Mo - 0.7500 -
Cu - 0.7500 -
Nb - 1.0000 -

Mechanical Properties of steel grade B347Si

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)
912 (≥) 151 (≥) 12 12 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade B347Si

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
44 - -     0.32 -  
491 171 - 11.3 233   -  
842 - 24 21.2   333 141

Heat Treatment of steel grade B347Si

Heat treated : 1426°C - 1515°C

Technological Curves of steel grade B347Si

Cross Reference Table (Equivalent Grade) of B347Si

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