Copper and Copper Alloys Chemical Composition Table
Chemical Composition of CU (Copper)
| Item | Type | Chemical Composition (%) | Standards | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Cu | Zn | Pb | Fe | P | KS | JIS | ASTM | ||
| Oxygen-Free | - | 99.95% min | C1020 | ||||||
| Tough Pitch | 1 | 99.9% min | D5201 / C1100 | H3100 / C1100 | B152 / C11000 | ||||
| Deox. Phos. | 1A | 99.9% min | 0.004~0.015 | D5201 / C1201 | H3100 / C1201 | B152 / C12000 | |||
| Deox. Phos. | 1B | 99.9% min | 0.015~0.040 | C1220 | C1220 | K12200 | |||
| Deox. Phos. | 2 | 99.75% min | 0.004~0.040 | C1221 | C1221 | - | |||
| Gilding | 1 | 94.0~96.0 | Rem. | 0.05 max | 0.05 max | ||||
| Gilding | 2 | 89.0~91.0 | Rem. | 0.05 max | 0.05 max | ||||
| Gilding | 3 | 84.0~86.0 | Rem. | 0.05 max | 0.05 max | ||||
| Gilding | 4 | 78.5~81.5 | Rem. | 0.05 max | 0.05 max | ||||
Chemical Composition of BS (Brass)
| Item | Type | Chemical Composition (%) | Standards | |||||
|---|---|---|---|---|---|---|---|---|
| Cu | Zn | Pb | Fe | KS | JIS | ASTM | ||
| Brass | 1 | 68.5~71.5 | Rem. | 0.07 max | 0.05 max | D5301/C2600 | H3300/C2600 | B135/C26000 |
| Brass | 2 | 63.0~67.0 | Rem. | 0.07 max | 0.05 max | C2700 | C2700 | C27000 |
| Free-Cutting | Type 1 | 59.0~63.0 | Rem. | 1.8~3.7 | 0.5 max | D5101/C3602 | H3300/C3602 | B135/C36000 |
| Leaded Brass | - | 58.0~62.0 | Rem. | 0.6~1.2 | 0.1 max | D5201/C3710 | H3100/C3710 | - |
| High Strength | 2 | 56.0~60.5 | Rem. | 0.5 max | 0.1~1.0 | D5101/C6782 | H3250/C6782 | - |
| Nickel Silver | 1 | 70.0~75.0 | Rem. | 0.1 max | 0.25 max | D5506/C7351 | H3110/C7351 | B122/C73500 |
| Cupro-Nickel | 1 | Rem. | 0.05 max | 0.05 max | 1.0~1.8 | D5201/C7060 | H3100/C7060 | B171/C70600 |