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China GB B430LNb 不锈钢焊丝和焊带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B430LNb / B430LNb
Category Grade Standard Region/Area Standard Content
Metals B430LNb GB/T 29713 China 不锈钢焊丝和焊带

Chemical composition(mass fraction)(wt.%) of the B430LNb

Element Min Max Similar
C - 0.0300 -
Si - 0.5000 -
Mn - 0.6000 -
P - 0.0300 -
S - 0.0300 -
Cr 15.5000 17.0000 -
Ni - 0.6000 -
Mo - 0.7500 -
Cu - 0.7500 -
Nb - 1.2000 -

Mechanical Properties of steel grade B430LNb

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)
261 (≥) 544 (≥) 44 12 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade B430LNb

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
33 - -     0.24 -  
184 618 - 24.3 132   -  
325 - 23 44.2   113 333

Heat Treatment of steel grade B430LNb

Heat treated : 1976°C - 1481°C

Technological Curves of steel grade B430LNb

Cross Reference Table (Equivalent Grade) of B430LNb

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