1.1 ,This specification covers certain zinc-aluminum (Zn-Al) alloys in ingot form for re-melting for use in the production of hot-dip coatings on steel. Alloy compositions are specified below and in Table 1.
| ASTM | Common | UNS |
| Type 5 | 95/5 Zn/Al | Z30507 |
| Type 10 | 90/10 Zn/Al | Z30600 |
| Type 15 | 85/15 Zn/Al | Z30706 |