1.1 This specification covers seamless round and rectangular including square copper alloy tube in straight lengths. Ten alloys are specified having the following nominal compositions:
Copper | Previously | Nominal Composition, % | |||
Alloy | Used | ||||
UNS | Designa- | ||||
No. | tionA | Copper | Zinc | Lead | Tin |
C22000 | 7 | 90.0 | 10.0 | ... | ... |
C23000 | 1 | 85.0 | 15.0 | ... | ... |
C26000 | 2 | 70.0 | 30.0 | ... | ... |
C27000 | 9 | 65.0 | 35.0 | ... | ... |
C27200 | 8 | 63.0 | 37.0 | ... | ... |
C27400 | ... | 62.5 | 37.5 | ... | ... |
C28000 | 5 | 60.0 | 40.0 | ... | ... |
C33000 | 3 | 66.0 | 33.5 | 0.5 | ... |
C33200 | 4 | 66.0 | 32.4 | 1.6 | ........
ASTM B135-08a history
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