

| Category 類 別 | Trade 牌 號 | Chemical composition 主要成份(%) | Characteristics & application 特性和用途 | Equivalent to AWS 相當(dāng)AWS | 
| Aluminum alloys 鋁 合 金 | S 301 | Al≥99.5 | Good ductility and corrosion resistance. Gas welding and argon arc welding of pure aluminum. | ER1100 | 
| S 311 | Si5 Al Rem. | Corrosion resistance, wide range of usage. Gas welding and argon arc welding of aluminum alloys other than high magnesium alloys. | ER4043 | |
| S 321 | Mn1.3 Al Rem. | Good corrosion resistance, weldability and ductility. Gas welding and argon arc welding of aluminum alloys. | ||
| S 331 | Mg5 Mn0.4 | Corrosion resistance and high strength. Argon arc welding of aluminum alloys. | <ER5183 | 
{{item.AppContent}}