1.1 ,This specification establishes the requirements for welded copper-nickel alloy pipe for general engineering purposes. The following alloys are covered:2
| Copper Alloy | Type of Metal |
| , | , |
| C70600 | 90-10 copper-nickel |
| C70620 | 90-10 copper-nickel |
| , | (Modified for Welding) |
| C71500 | 70-30 copper-nickel |
| C71520 | 70-30 copper-nickel |
| , | (Modified for Welding) |