1.1 This specification establishes the requirements for copper-zinc-lead alloys (leaded brass) plate, sheet, strip, and rolled bar. The following alloys are covered: | | Nominal Composition, % | | Copper Alloy | Previously Used | | UNS No. | Designation | Copper | Zinc | Lead | Iron | | | | | | | | C33500 | 2 | 65.0 | 34.5 | 0.5 | ... | | C34000 | 3 | 65.0 | 34.0 | 1.0 | ... | | C34200 | 5 | 65.0 | 33.0 | 2.0 | ... | | C35000 | ... | 61.5 | 37.4 | 1.1 | ... | | C35300 | 4 | 61.2 | 37.0 | 1.8 | ... | | C35600 | 6 | 61.2 | 36.3 | 2.5 | ... |
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. |
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E112-25 | Standard Test Methods for Determining Average Grain Size |
E255-23 | Standard Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition |
E527-23 | Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS) |
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B248-22 | Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar |
E478-24 | Standard Test Methods for Chemical Analysis of Copper Alloys |
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