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R309LT1-5

China GB R309LT1-5 不锈钢药芯焊丝 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: R309LT1-5 / R309LT1-5
Category Grade Standard Region/Area Standard Content
Metals R309LT1-5 GB/T 17853 China 不锈钢药芯焊丝

Chemical composition(mass fraction)(wt.%) of the R309LT1-5

Element Min Max Similar
Cu - 0.5000 -
S - 0.0300 -
P - 0.0400 -
Si - 1.2000 -
Mn 0.5000 2.5000 -
Mo - 0.5000 -
Ni 12.0000 14.0000 -
Cr 22.0000 25.0000 -
C - 0.0300 -

Mechanical Properties of steel grade R309LT1-5

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)
985 (≥) 268 (≥) 12 23 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade R309LT1-5

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
11 - -     0.32 -  
543 288 - 11.3 334   -  
131 - 32 44.2   433 141

Heat Treatment of steel grade R309LT1-5

Heat treated : 1732°C - 1489°C

Technological Curves of steel grade R309LT1-5

Cross Reference Table (Equivalent Grade) of R309LT1-5

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