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China GB S439 不锈钢焊丝和焊带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S439 / S439
Category Grade Standard Region/Area Standard Content
Metals S439 GB/T 29713 China 不锈钢焊丝和焊带

Chemical composition(mass fraction)(wt.%) of the S439

Element Min Max Similar
Ti - 1.1000 -
Cu - 0.7500 -
Mo - 0.5000 -
Ni - 0.6000 -
Cr 17.0000 19.0000 -
S - 0.0300 -
P - 0.0300 -
Mn - 0.8000 -
Si - 0.8000 -
C - 0.0400 -

Mechanical Properties of steel grade S439

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)
549 (≥) 752 (≥) 21 44 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade S439

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
41 - -     0.44 -  
582 841 - 31.3 311   -  
489 - 32 23.2   331 414

Heat Treatment of steel grade S439

Heat treated : 1441°C - 1496°C

Technological Curves of steel grade S439

Cross Reference Table (Equivalent Grade) of S439

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