1. Scope
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 | | Nominal Composition, % |
| Alloy | Previously | |
| UNS | Used | |
| No. | DesignationA | 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 | ... |
| C37000 | 6 | 60.0 | 39.0 | 1.0 | ... |
| C44300 | ... | 71 | 27.5 | ... | 1.00 |
|
AAlloy Designations of ASTM Specification B 135 - 63 which was published in the 1966 Book of ASTM Standards, Part 5. Note 1--This specification is the metric companion of Specification B135.
1.2 Warning--Mercury is a definite health hazard in use and disposal. (See 10.1.)
2. Referenced Documents (purchase separately) 
The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
B153 Test Method for Expansion (Pin Test) of Copper and Copper-Alloy Pipe and Tubing
B154 Test Method for Mercurous Nitrate Test for Copper Alloys
B251M Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube (Metric)
B601 Classification for Temper Designations for Copper and Copper Alloys--Wrought and Cast
E243 Practice for Electromagnetic (Eddy-Current) Examination of Copper and Copper-Alloy Tubes
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
Keywords
brass tube; seamless brass tube; seamless tube; Brass pipe/tube--specifications; UNS C22000--tube (seamless/welded); Seamless Cu/Cu alloy tube--specifications; UNS C23000--pipe/tube (seamless/welded); UNS C26000--tube; UNS C27000 (yellow brass, 65%); UNS C27200 (brass); UNS C27400 (yellow brass, 63 %); UNS C28000 (Muntz metal, 60 %); UNS C33000 (low leaded brass); UNS C33200 (high leaded brass); UNS C37000 (free-cutting Muntz metal); UNS C44300 (admiralty, arsenical); Yellow brass ;
ICS Code
DOI: 10.1520/B0135M-00
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Citing ASTM Standards
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