| UNS No | AS No | Common Name | BSI No | ISO No | JIS No | Chemical Composition (%) | |||
| Copper | Zinc | Lead | Other | ||||||
| C21000 | 210 | 95/5 Gilding Metal | - | CuZn5 | C2100 | 94.0-96.0 | 5 | <0.03 | - |
|---|---|---|---|---|---|---|---|---|---|
| C22000 | 220 | 90/10 Gilding Metal | CZ101 | CuZn10 | C2200 | 89.0-91.0 | 10 | <0.05 | - |
| C23000 | 230 | 85/15 Gilding Metal | CZ102 | CuZn15 | C2300 | 84.0-86.0 | 15 | <0.05 | - |
| C24000 | 240 | 80/20 Gilding Metal | CZ103 | CuZn20 | C2400 | 78.5-81.5 | 20 | <0.05 | - |
| C26130 | 259 | 70/30 Arsenical Brass | CZ126 | CuZn30As | C4430 | 69.0-71.0 | 30 | <0.07 | Arsenic 0.02-0.06 |
| C26000 | 260 | 70/30 Brass | CZ106 | CuZn30 | C2600 | 68.5-71.5 | 30 | <0.05 | - |
| C26800 | 268 | Yellow Brass (65/35) | CZ107 | CuZn33 | C2680 | 64.0-68.5 | 33 | <0.15 | - |
| C27000 | 270 | 65/35 Wire Brass | CZ107 | CuZn35 | - | 63.0-68.5 | 35 | <0.10 | - |
| C27200 | 272 | 63/37 Common Brass | CZ108 | CuZn37 | C2720 | 62.0-65.0 | 37 | <0.07 | - |
| C35600 | 356 | Engraving Brass, 2% Lead | - | CuZn39Pb2 | C3560 | 59.0-64.5 | 39 | 2.0-3.0 | - |
| C37000 | 370 | Engraving Brass, 1% Lead | - | CuZn39Pb1 | C3710 | 59.0-62.0 | 39 | 0.9-1.4 | - |
| C38000 | 380 | Section Brass | CZ121 | CuZn43Pb3 | - | 55.0-60.0 | 43 | 1.5-3.0 | Aluminum 0.10-0.6 |
| C38500 | 385 | Free Cutting Brass | CZ121 | CuZn39Pb3 | - | 56.0-60.0 | 39 | 2.5-4.5 | - |
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