Brass Hollow Rods
Brass hollow rods offers significant economic advantages, by way of removing the need for drilling operations, and very often the boring out of the parts.
Numerous applications, and in particular for the making of taps and valves (plumbing-heating industry), use many components that require the boring out of parts.
Industrial Application :-
Widely uses in automobile industry for synchronizer range and bearing cage and brass retainer.
| Chemical Requirements | |||||
| Copper | Lead | Iron | Total Imp. | Zinc | |
| Free Cutting Brass Hollow Rods BS 2874/86- Cz121 Pb3 / CZ124 | |||||
| Grade I | 56.0 – 59.0% | 2.0 – 3.50% | 0.35% max | 0.70% max | Remainder |
| GradeII | 60.0 – 63.0% | 2.50 – 3.70% | 0.35% max | 0.50% max | Remainder |
| GradeIII | 60.0 – 63.0% | 0.50 – 1.50% | 0.20% max | 0.50% max | Remainder |
| Forging Brass Hollow Rods CZ 122 / IS 8737 | |||||
| CuZn42Pb2 | 56.5 – 60.0% | 0.60 – 2.0% | 0.30% max | 0.20% max | Remainder |
| CuZn40Pb2 | 57.0 – 59.0% | 1.50 – 2.50% | 0.40%max | 0.70%max | Remainder |
| Lead Free Brass Hollow Rods BS2874/86 , IS 4170/67, CZ109 BS2872/86 / IS 4413/81, CZ108 | |||||
| CuZn40 | 59.0 – 62.0% | 0.75% max | 0.10% max | 0.30% max | Remainder |
| CuZn37 | 62.0 – 65.0% | 0.30% max | 0.10% max | 0.60% max | Remainder |
| CuZn35 | 63.0 – 68.5% | 0.05% max | 0.05% max | 0.30% max | Remainder |
| CuZn30 | 68.5 – 71.5% | 0.05% max | 0.05% max | 0.03% max | Remainder |
