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:2
|
Copper or Copper Alloy UNS2 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.
