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China GB B309LSi 不锈钢焊丝和焊带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B309LSi / B309LSi
Category Grade Standard Region/Area Standard Content
Metals B309LSi GB/T 29713 China 不锈钢焊丝和焊带

Chemical composition(mass fraction)(wt.%) of the B309LSi

Element Min Max Similar
C - 0.0300 -
Si 0.6500 1.0000 -
Mn 1.0000 2.5000 -
P - 0.0300 -
S - 0.0300 -
Cr 19.5000 22.0000 -
Ni 9.0000 11.0000 -
Mo - 0.7500 -
Cu - 0.7500 -

Mechanical Properties of steel grade B309LSi

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)
786 (≥) 944 (≥) 43 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade B309LSi

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
23 - -     0.34 -  
637 432 - 44.3 333   -  
417 - 24 11.2   334 414

Heat Treatment of steel grade B309LSi

Heat treated : 1995°C - 1825°C

Technological Curves of steel grade B309LSi

Cross Reference Table (Equivalent Grade) of B309LSi

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