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India IS SMg3 Aluminium and aluminium alloy welding rods and wires and magnesium alloy welding rods and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SMg3 / SMg3
Category Grade Standard Region/Area Standard Content
Metals SMg3 IS 5897 India Aluminium and aluminium alloy welding rods and wires and magnesium alloy welding rods

Chemical composition(mass fraction)(wt.%) of the SMg3

Element Min Max Similar
Zn 0.6000 1.4000 -
Si - 0.3000 -
Ni - 0.0050 -
Mn 0.1500 0.7000 -
Mg - - -
Fe - 0.0050 -
Cu - 0.0500 -
Ca - 0.3000 -
Al 2.5000 3.5000 -

Mechanical Properties of steel grade SMg3

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)
317 (≥) 431 (≥) 44 13 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade SMg3

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 - -     0.44 -  
594 792 - 13.3 313   -  
333 - 41 41.2   321 242

Heat Treatment of steel grade SMg3

Heat treated : 1262°C - 1989°C

Technological Curves of steel grade SMg3

Cross Reference Table (Equivalent Grade) of SMg3

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