Dome Metals Co., Ltd.
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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.
| 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 |
| Electrochemical Properties of cast magnesium anodes | ||||
| Item | Open-circuit Voltage | Close-circuit Voltage | Actual capacitance | Current efficiency |
| (-V) | (-V) | (A.h/g) | (%) | |
| High Potential | 1.70-1.75 | 1.57-1.62 | ≥ 1.100 | ≥ 50 |
| Low Potential (AZ63) | 1.50-1.55 | 1.45-1.50 | ≥ 1.105 | ≥ 50 |
| Note: Open and Close-circuit voltage is relative to Saturated Calomel Electrode (SCE) | ||||
