PRIDE OF QUALITY PARKWON STEEL BALL
Aluminum balls are supplied in bulk for seat belts, and is made with AL7075, which is an Al-Zn-Mg-(Cu) aluminum alloy.
In other words, aluminum + zinc + magnesium (+copper) is alloyed for better hardness than pure aluminum and the hardest among aluminum alloys.
Aluminum balls are widely used in car parts, aerospace, war industry, hiking equipment, bicycle parts, etc.
| Material | Size | Grade | |
|---|---|---|---|
| Inch | Metric | ||
| AL7075 | 3/16” ~ 1/2” | 4,762 ~ 12.7mm | G60 ~ G1000 |
| Ingredient table | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Ingredient | % Aluminum (AI) | % Zinc (Zn) | % Magnesium (Mg) | % Chromium (Cr) | % Copper (Cu) | % Silicon (Si) | % Iron (Fe) | % Magnesium (Mn) | % Titanium (Ti) | % Zirconium (Zr) |
| 7075-T6 Aluminum alloy |
90.0% AI | 5.6% Zn | 2.5% Mg | 0.23% Cr | 1.6% Cu | 0 - 0.5 | 0 - 0.3 | 0 - 0.2 | 0 - 0.25 | |