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China GB S309LNbD 不锈钢焊丝和焊带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S309LNbD / S309LNbD
Category Grade Standard Region/Area Standard Content
Metals S309LNbD GB/T 29713 China 不锈钢焊丝和焊带

Chemical composition(mass fraction)(wt.%) of the S309LNbD

Element Min Max Similar
Nb - 1.2000 -
Cu - 0.7500 -
Mo - 0.7500 -
Ni 11.0000 13.0000 -
Cr 20.0000 23.0000 -
S - 0.0300 -
P - 0.0300 -
Mn 1.0000 2.5000 -
Si - 0.6500 -
C - 0.0300 -

Mechanical Properties of steel grade S309LNbD

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)
456 (≥) 563 (≥) 14 11 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade S309LNbD

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
42 - -     0.14 -  
958 489 - 32.3 443   -  
629 - 42 24.2   222 342

Heat Treatment of steel grade S309LNbD

Heat treated : 1696°C - 1538°C

Technological Curves of steel grade S309LNbD

Cross Reference Table (Equivalent Grade) of S309LNbD

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