Leaded Brass Rod
Leaded Brass Rod
- ASTM B 455
- B 16 C 38500
- C 36000
- BS 2874 CZ – 121Pb3 or CZ124
- IS319 Grade I/ II/ III
- JIS3250 H C3604 or C3602
| Chemical Requirements | Grade I | ||
| Copper | 56.0 – 59.0% | ||
| Lead | 2.0 to 3.50% | ||
| Iron | 0.35% max. | ||
| Total Imp. Excl. Iron | 0.70% max. | ||
| Zinc | Remainder | ||
| Physical Properties | |||
| Condition | Size | T.S. MPA | EL% Min |
| Annealed (O) | 6-25 25-50 50 above |
345 315 285 |
12 17 22 |
| Half-Hard (HB) | 6-12 12-25 25-50 50 above |
405 395 355 325 |
4 6 12 17 |
| Hard (HD) | 6-12 12-25 |
550 490 |
– 4 |
| Fabrication Properties | |||
| Capacity for being | |||
| Cold worked | Poor | ||
| Hot formed | Fair | ||
| Machinability Rating | 100% | ||
| Suitability for soldering | Excellent | ||
| Suitability for Brazing | Good | ||
| Uses | |||
| Precision Components, Hardware, Hinges, Lock Bodies, Screws, Nuts & Bolts |
| Chemical Requirements | Grade II | Grade III | |||
| Copper | 60.0 – 63.0% | 60.0 – 63.0% | |||
| Lead | 2.50 to 3.70% | 0.50 to 1.50% | |||
| Iron | 0.35% max | 0.20% max | |||
| Total Imp. Excl. Iron | 0.50% max | 0.50% max | |||
| Zinc | Remainder | Remainder |
| Physical Properties | |||||
| Condition | Size | T.S. T.S. MPA | EL% Min | T.S. MPA | EL% Min |
| Annealed (O) | 6-25 25-50 50 above |
355 305 275 |
15 20 25 |
315 285 255 |
22 27 32 |
| Half-Hard (HB) | 6-12 12-25 25-50 50 above |
395 385 345 315 |
7 10 15 20 |
355n 345 305 285 |
8 12 22 27 |
| Hard (HD) | 6-12 12-25 |
550 485 |
4 | 460 400 |
4 |
| Fabrication Properties | |||||
| Capacity for being | |||||
| Cold worked | Poor | Fair | |||
| Hot formed | Fair | Excellent | |||
| Machinability Rating | 90% | 80% | |||
| Suitability for soldering | Excellent | Excellent | |||
| Suitability for Brazing | Good | Excellent | |||
| Uses | |||||
| Gr II : Gear, Pinions, Precision, Automobile, Electronic Parts | |||||
| Gr III : Precision Components Machining with Riveting Operation |