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America ASME E309LT 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: E309LT / E309LT
Category Grade Standard Region/Area Standard Content
Metals E309LT ASME SFA-5.22 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 E309LT

Element Min Max Similar
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni 12.0000 14.0000 -
Mo - 0.5000 -
Mn 0.5000 2.5000 -
Cu - 0.5000 -
Cr 22.0000 25.0000 -
C - 0.4000 -

Mechanical Properties of steel grade E309LT

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)
784 (≥) 742 (≥) 34 21 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade E309LT

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
13 - -     0.34 -  
182 627 - 24.3 222   -  
658 - 14 42.2   134 321

Heat Treatment of steel grade E309LT

Heat treated : 1568°C - 1647°C

Technological Curves of steel grade E309LT

Cross Reference Table (Equivalent Grade) of E309LT

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