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1.1 ,This specification2 establishes the requirements for seamless tube and ferrule stock of copper and various copper alloys up to 31/8 ,in. [80 mm] inclusive, in diameter, for use in surface condensers, evaporators, and heat exchangers. The following coppers and copper alloys are specified:3
| Copper or Copper | Previously Used | Description |
| , | , | , |
| C10100 | OFE | Oxygen-free electronic |
| C10200 | OFA | Oxygen-free without residual deoxidants |
| C10300 | . ,. ,. | Oxygen-free, extra low phosphorus |
| C10800 | . ,. ,. | Oxygen-free, low phosphorus |
| C12000 | DLPA | Phosphorized, low residual phosphorus |
| C12200 | DHPA | Phosphorized, high residual phosphorus |
| C14200 | DPAA | Phosphorized, arsenical |
| C15630 | . ,. ,. | Nickel Phosphorus |
| C19200 | . ,. ,. | Phosphorized, 1 ,% iron |
| C23000 | . ,. ,. | Red Brass |
| C28000 | . ,. ,. | Muntz Metal |
| C44300 | . ,. ,. | Admiralty Metals, B, C, and D |
| C44400 | . ,. ,. | . ,. ,. |
| C44500 | . ,. ,. | . ,. ,. |
| C60800 | . ,. ,. | Aluminum Bronze |
| C61300 | . ,. ,. | . ,. ,. |
| C61400 | . ,. ,. | Aluminum Bronze, D |
| C68700 | . ,. ,. | Aluminum Brass, B |
| C70400 | . ,. ,. | 95-5 Copper-Nickel |
| C70600 | . ,. ,. | 90-10 Copper-Nickel |
| C70620 | . ,. ,. | 90-10 Copper-Nickel—,Welding Grade |
| C71000 | . ,. ,. | 80-20 Copper-Nickel |
| C71500 | . ,. ,. | 70-30 Copper-Nickel |
| C71520 | . ,. ,. | 70-30 Copper-Nickel—,Welding Grade |
| , | , | , |
| Copper or Copper | Previously Used | Description |
| , | , | , |
| C71640 | . ,. ,. | Copper-nickel-iron-manganese |
| C72200 | . ,. ,. | . ,. ,. |