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Magnesium alloy Welding Wire AZ31 Mg Al Alloy mig welding wire
Magnesium alloy welding wire is use in all kinds of forging Mg alloy and cast Mg alloy,
such as: optical instrument, aerospace, automobile spare parts, magnesium products for civil use, and handiwork welding.
ADVANTAGE
· small density, lighter than Al, higher specific strength
· higher fatigue limit,
· bigger impact load than Al
· better thermal conductivity
· good casting property
· dimensionally stable
· easy revocery
· subsititute for engineering plastics
· high corrosion resistance
Chemical compositions of cast magnesium anode (%) | ||||
Element | High potential | AZ63B | AZ63C | AZ63D |
Al | <0.01 | 5.30-6.70 | 5.30-6.70 | 5.0-7.0 |
Zn | --- | 2.50-3.50 | 2.50-3.50 | 2.0-4.0 |
Mn | 0.5-1.30 | 0.15-0.70 | 0.15-0.07 | 0.15-0.70 |
Si (max) | 0.05 | 0.10 | 0.30 | 0.30 |
Cu (max) | 0.02 | 0.02 | 0.05 | 0.10 |
Ni (max) | 0.001 | 0.002 | 0.003 | 0.003 |
Fe (max) | 0.03 | 0.005 | 0.005 | 0.005 |
Others each | 0.05 | --- | -- | --- |
Others total | 0.30 | 0.30 | 0.30 | 0.30 |
Mg | Balance | Balance | Balance | Balance |