INCORR magnesium ribbon anodes are extruded in the 1.75 volt potential alloy and is generally supplied in coils of 1000 feet (305 metres) plus or minus 25 feet (8 metres). Magnesium ribbon is generally supplied on a "weight delivered" basis in accordance with the following chemical compositions:
| Element | Composition (Weight %) | Composition (Weight %) |
| Manganese | 0.50 to 1.30 | 0.20 min. |
| Zinc | - | 0.7 to 1.3 |
| Aluminium (max.) | 0.01 | 2.5 to 3.5 |
| Copper (max.) | 0.02 | 0.01 |
| Nickel (max.) | 0.001 | 0.001 |
| Iron (max.) | 0.03 | 0.002 |
| Silicon (max.) | - | 0.05 |
| Impurities | 0.05 each, 0.30 total | 0.05 each, 0.30 total |
| Magnesium | Balance | Balance |
| Cross section
(inch) |
3/8 x 3/4 + 0.015 |
| Core diameter (inch) | 0.135 |
| Core eccentricity (inch) | < 1/16 |
| Weight (lbs/feet) | 0.243 |
| Standard coil length (feet) | 1000 |
| Coil weight (lbs) | 243 |
 |
 |
|
Click on thumbnails for photographs. |
|