ASTM International - ASTM B372-97
Standard Specification for Seamless Copper and Copper-Alloy Rectangular Waveguide Tube
|Publication Date:||1 January 1997|
|ICS Code (Copper products):||77.150.30|
1.1 This specification covers seamless copper and copper-alloy rectangular tube intended for use as transmission lines in electronic equipment. Four types of material are specified having the following nominal compositions:
Copper or Nominal Composition, % Copper Alloy Previously Phos- UNS 2 No. Used Designation Copper Zinc phorus C10200 Copper, Type OF A 100 ... ... C10300 ... 99.99 ... 0.003 C12000 Copper, Type DLP A 100 ... ... C22000 Commercial 90 10 ... bronze, 90% A Types OF and DLP are described in Classification B 224.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.