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China GB B430Nb 不锈钢焊丝和焊带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B430Nb / B430Nb
Category Grade Standard Region/Area Standard Content
Metals B430Nb GB/T 29713 China 不锈钢焊丝和焊带

Chemical composition(mass fraction)(wt.%) of the B430Nb

Element Min Max Similar
C - 0.1000 -
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 B430Nb

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)
176 (≥) 116 (≥) 23 21 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade B430Nb

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 - -     0.21 -  
315 261 - 32.3 424   -  
745 - 11 43.2   224 242

Heat Treatment of steel grade B430Nb

Heat treated : 1184°C - 1461°C

Technological Curves of steel grade B430Nb

Cross Reference Table (Equivalent Grade) of B430Nb

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