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E309LNbT0-3

China GB E309LNbT0-3 不锈钢药芯焊丝 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E309LNbT0-3 / E309LNbT0-3
Category Grade Standard Region/Area Standard Content
Metals E309LNbT0-3 GB/T 17853 China 不锈钢药芯焊丝

Chemical composition(mass fraction)(wt.%) of the E309LNbT0-3

Element Min Max Similar
Nb+Ta 0.7000 1.0000 -
Cu - 0.5000 -
S - 0.0300 -
P - 0.0400 -
Si - 1.0000 -
Mn 0.5000 2.5000 -
Mo - 0.5000 -
Ni 12.0000 14.0000 -
Cr 23.0000 25.5000 -
C - 0.0300 -

Mechanical Properties of steel grade E309LNbT0-3

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)
546 (≥) 215 (≥) 31 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade E309LNbT0-3

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
22 - -     0.14 -  
664 211 - 22.3 122   -  
885 - 21 31.2   422 433

Heat Treatment of steel grade E309LNbT0-3

Heat treated : 1421°C - 1679°C

Technological Curves of steel grade E309LNbT0-3

Cross Reference Table (Equivalent Grade) of E309LNbT0-3

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