Shengzhou DACO Copper Products Co., Ltd.
Professional manufacturer of brass extrusion profiles / brass extrusions sections
Add to Cart
Production show
1. Free Cutting Brass Rods
We specialize in manufacturing and exporting our clients a robustly designed range of Free Cutting Brass Rods. These are durable, corrosion resistant and available in different grades, thicknesses and dimensions. Our Free Cutting Brass Rods are manufactured from quality proven raw materials to ensure excellent performance, high conductivity and longer operational life.
Specifications:
· BS249
· IS: 319 Gr. l & ll
· IS: 8364 Gr. l & ll, BS: 2874 CZ121Pb3
· CuZn39Pb3
| 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 | 345 | 12 |
| Half-Hard (HB) | 6-12 | 405 | 4 |
| Hard (HD) | 6-12 | 550 | - |
| Fabrication Properties | |
| Capacity for being |
|
| Cold worked | Poor |
| 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. MPA | EL% Min | T.S. MPA | EL% Min |
| Annealed (O) | 6-25 | 355 | 15 | 315 | 22 |
| Half-Hard (HB) | 6-12 | 395 | 7 | 355 | 8 |
| Hard (HD) | 6-12 | 550 | | 460 | |
| 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 |
2. Product Pictures
3.Production Features