ASTM International - ASTM B103/B103M-98e1
Standard Specification for Phosphor Bronze Plate, Sheet, Strip, and Rolled Bar
|Publication Date:||28 October 1999|
1.1 This specification covers copper-tin alloy (phosphor bronze), copper-tin-lead alloy (leaded phosphor bronze), and copper-tin-lead-zinc
Nominal Composition, % Previously Copper Alloy Used Desig- UNS No. 2 Copper Tin Zinc Lead nation C51000 95 5 ... ... A1 C51100 96 4 ... ... A C51900 94 6 ... ... C52100 A 92 8 ... ... C C52400 90 10 ... ... D C53400 94 5 ... 1 B1 C54400 88 4 4 4 B2 A SAE Specification CA521 conforms to the requirements of UNS No. C52100.
1.2 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.