| 〔66〕铝及铝合金焊接管 | ||||||||||||||
| (Aluminum and Aluminum Alloy Welded Pipes and Tubes) | ||||||||||||||
| 标准代号 | 规格号码 | 记号 | 化学成分（%)Chemical composition | |||||||||||
| Si | Fe | Si+Fe | Cu | Mn | Mg | Cr | Zn | Ti | 其他 | Al | ||||
| 各项 | 合计 | |||||||||||||
| GB | 10571 | L3 | ≦0.3 | ≦0.3 | - | ≦0.05 | ≦0.05 | - | - | - | - | ≦0.03 | ≦0.45 | ≧99.5 |
| JIS | H4090 | A1050TW | ≦0.25 | ≦0.4 | - | ≦0.05 | ≦0.05 | ≦0.05 | - | ≦0.05 | ≦0.03 | ≦0.03 | - | ≧99.5 |
| GB | 10571 | L5 | ≦0.5 | ≦0.5 | ≦0.9 | ≦0.05 | - | - | - | - | - | ≦0.05 | ≦0.15 | ≧99.0 |
| JIS | H4090 | A1100TW | - | - | ≦1.0 | 0.05-0.20 | ≦0.05 | - | - | ≦0.1 | - | ≦0.05 | ≦0.15 | ≧99.0 |
| ASTM | B313 | 1100 | - | - | ≦0.95 | 0.05-0.20 | ≦0.05 | - | - | ≦0.1 | - | ≦0.05 | ≦0.15 | ≧99.0 |
| GB | 10571 | LF21 | ≦0.6 | ≦0.7 | - | ≦0.2 | 1.0-1.6 | ≦0.05 | - | ≦0.1 | ≦0.15 | ≦0.05 | ≦0.15 | 其余 |
| JIS | H4090 | A3003TW | ≦0.6 | ≦0.7 | - | 0.05-0.20 | 1.0-1.5 | - | - | ≦0.1 | - | ≦0.05 | ≦0.15 | 其余 |
| ASTM | B313 | 3003 | ≦0.6 | ≦0.7 | - | 0.05-0.20 | 1.0-1.5 | - | - | ≦0.1 | - | ≦0.05 | ≦0.15 | 其余 |
| GB | 10571 | LF2 | ≦0.4 | ≦0.4 | - | ≦0.1 | - | 2.0-2.8 | 0.15-0.40 | - | ≦0.15 | ≦0.05 | ≦0.15 | 其余 |
| JIS | H4090 | A5052TW | ≦0.25 | ≦0.4 | - | ≦0.1 | ≦0.1 | 2.2-2.8 | 0.15-0.35 | ≦0.1 | - | ≦0.05 | ≦0.15 | 其余 |
| ASTM | B313 | 5052 | ≦0.25 | ≦0.4 | - | ≦0.1 | ≦0.1 | 2.2-2.8 | 0.15-0.35 | ≦0.1 | - | ≦0.05 | ≦0.15 | 其余 |
| JIS | H4090 | A5083TW | ≦0.4 | ≦0.4 | - | ≦0.1 | 0.4-1.0 | 4.0-4.9 | 0.05-0.25 | ≦0.25 | ≦0.15 | ≦0.05 | ≦0.15 | 其余 |
| GB | 10571 | LF3 | 0.5-0.8 | ≦0.5 | - | ≦0.1 | 0.3-0.6 | 3.2-3.8 | - | ≦0.2 | ≦0.15 | ≦0.05 | ≦0.15 | 其余 |
| JIS | H4090 | A5154TW | - | - | ≦0.45 | ≦0.1 | ≦0.1 | 3.1-3.9 | 0.15-0.25 | ≦0.2 | ≦0.2 | ≦0.05 | ≦0.15 | 其余 |
| ASTM | B313 | 5154 | ≦0.25 | ≦0.4 | - | ≦0.1 | ≦0.1 | 3.1-3.9 | 0.15-0.25 | ≦0.2 | ≦0.2 | ≦0.05 | ≦0.15 | 其余 |