| Alloy | 6063 (%) | 6063A (%) | 6061A (%) |
|---|---|---|---|
| Si | 0.20-0.60 | 0.30-0.60 | 0.40-0.80 |
| Fe | 0.35 | 0.15-0.35 | 0.70 |
| Cu | 0.10 | 0.10 | 0.15-0.40 |
| Mn | 0.10 | 0.15 | 0.15 |
| Mg | 0.45-0.90 | 0.60-0.90 | 0.80-1.20 |
| Cr | 0.10 | 0.05 | 0.04-0.35 |
| Zn | 0.10 | 0.15 | 0.25 |
| Ti | 0.10 | 0.10 | 0.15 |
| Others (each) | 0.05 | 0.05 | 0.05 |
| Others (total) | 0.15 | 0.15 | 0.15 |
| Al | Remainder | Remainder | Remainder |
| Alloy | State | Tensile strength test | Hardness test | ||||
|---|---|---|---|---|---|---|---|
| Tensile strength Sb Mpa | Non-proportional stretching stress | Stretching rate | Pattern thickness | Vickers | Webster | ||
| S p0.2 Mpa | S% | Mm | HV | HW | |||
| No less than (≥) | |||||||
| 6061 | T4 | 177 | 108 | 16 | - | - | - |
| T6 | 265 | 245 | 8 | - | - | - | |
| 6063 6063A | T5 | 157 | 108 | 8 | 0.8 | 58 | 8 |
| T6 | 205 | 177 | 8 | - | - | - | |
| Class | Min-average film thickness | Min-part film thickness |
|---|---|---|
| AA10 | 10 | 8 |
| AA15 | 15 | 12 |
| AA20 | 20 | 16 |
| AA25 | 25 | 20 |
| Item | Test | Qualicoat Standard | TY standard |
|---|---|---|---|
| Gloss | ISO2813 GB/T9754 | L-G:±5 M-G:±7 H-G:±10 | L-G:±5 M-G:±7 H-G:±10 |
| Thickness of coating | ISO2360 GB/T4957 | Average of five points is not less than 60um | Average of five points is not less than 60um |
| Adhesion | ISO2409 GB/T9286 | Grade to 0 | Grade to 0 |
| Erichsen cupping test | ISO1520 GB/T9573 | 5mm | 6mm,no crack |
| Erichsen cupping test | ASTMD2794 GB/T17932 | 2.5nm | 5.5nm,no crack |
| Impact test | ISO2815 GB/T6739 | 80 at least | Not less than H |
| Resistance to cracking on bending | ISO1519 GB/T6742 | 5mm | 5mm,no crack |
| Mortar resistance | ASTMC-207 GB/T1594 | The mortar must be easy to remove without leaving any residues | No visible change and no removal |
| Acid test | AAMA 605.2 | Eroding within 0.5mm off lineation | No froth, goffer or removal, etc. |
| Salt spray resistance | ISO9227 GB/T10125 | 1000h | 1000h eroding within 2mm off lineation |
| Resistance to boiling water | AAMA 605.2 | 1 hour | 1 hour, no air bubble, goffer of removal vice, etc. |
| Accelerated weathering test | DIN553231 Suntest GB/T1865-97 | 1000h, the loss of gloss must not be more than 50% | Good |
| Humidity resistance | DIN50017 GB/1740 | 1000h | 1000h Good |
| Solvent test | AAMA 605.2 | - | No air bubble, goffer water spot or removal vice |
| Color test | △E*ab≤1.5 (Single color powder) |