铝 AW-7021
根据各种标准的铝和铝合金的标记：
| Alu/ | AW-7021 |
| AA | |
| PN | |
| CSN | |
| ASTM USA | |
| BS GB | |
| BS GP old | |
| EN | AlZn5,5Mg1,5 |
| DIN GER | |
| EN | |
| ISO | |
| JIS JAPAN | |
| JIS JAPAN old | |
| NF FRANCE | |
| NF FRANCE old | |
| SFS FINLAND | |
| SN SWITZ | |
| SS SWEDEN | |
| UNI ITALY | - |
| UNI ITALY old | |
| UNS | - |
| WNR GERMANY | |
| NS | |
| UNE | |
| ASV | |
| ALUSUISSE | |
| CSA old | |
| GOST old |
铝和铝合金的化学成分（根据 EN 573-1）：
| Alu/ | AW-7021 |
| Mg | 1,20 - 1,80 [%] |
| Mn | ≤0,10 [%] |
| Fe | ≤0,40 [%] |
| Si | ≤0,25 [%] |
| Si+Fe | - [%] |
| Cu | ≤0,25 [%] |
| Zn | 5,00 - 6,00 [%] |
| Cr | ≤0,05 [%] |
| Mn+Cr | - [%] |
| Ti | ≤0,10 [%] |
| Bi | - [%] |
| Ni | - [%] |
| Pb | - [%] |
| Sn | - [%] |
| Zr | 0,08 - 0,18 [%] |
| Zr+Ti | - [%] |
| 其他 | ≤0,05 [%] |
| 不同在一起 | ≤0,15 [%] |
| Al | reszta |