1.1 This specification establishes the requirements for seamless copper and copper-alloy rectangular tube intended for use as transmission lines in electronic equipment. Five types of material are specified having the following nominal compositions:
| Copper or Copper Alloy UNS No. |
Previously Used Designation |
Nominal Composition, % | ||
| Copper | Zinc | Phos- phorus |
||
| C10100 | Copper, Type OFEA | 99.99B | … | … |
| C10200 | Copper, Type OFA | 99.95B | … | … |
| C10300 | Copper, Type OFXLPA | 99.95B | … | 0.003 |
| C12000 | Copper, Type DLPA | 99.90B | … | 0.008 |
| C22000 | Commercial bronze, 90 % |
90 | 10 | … |
| ______________ | ||||
A Types OF, OFE, OFXLP, and DLP are described in Classification B224.
B Minimum copper percentage.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units which are provided for information only and are not considered standard.
