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E309LNbT0-3

America ASME E309LNbT0-3 弧焊用不锈钢药芯焊丝和钨极气体保护焊用不锈钢药芯填充丝标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E309LNbT0-3 / E309LNbT0-3
Category Grade Standard Region/Area Standard Content
Metals E309LNbT0-3 ASME SFA-5.22/SFA-5.22M America 弧焊用不锈钢药芯焊丝和钨极气体保护焊用不锈钢药芯填充丝标准

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

Element Min Max Similar
Cu - 0.7500 -
S - 0.0300 -
P - 0.0400 -
Si - 1.0000 -
Mn 0.5000 2.5000 -
Nb+Ta 0.7000 1.0000 -
Mo - 0.7500 -
Ni 12.0000 14.0000 -
Cr 23.0000 25.5000 -
C - 0.0400 -

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)
766 (≥) 269 (≥) 32 24 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

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
44 - -     0.22 -  
775 153 - 24.3 321   -  
316 - 32 32.2   221 341

Heat Treatment of steel grade E309LNbT0-3

Heat treated : 1327°C - 1331°C

Technological Curves of steel grade E309LNbT0-3

Cross Reference Table (Equivalent Grade) of E309LNbT0-3

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