Product Description
IS: 291 Gr ll Naval Brass Rod
We fabricate a finest range of Naval Brass, which are renowned for their high strength, rust proof and durability features. Naval brass is a copper alloy containing 60% copper, 75% tin and around 39.25% zinc. These are made up of high-grade raw material and can be availed in the form of sheet, plate, rods and circle. Our range of naval brass is broadly used in marine and construction industry.
Specifics:
Specifications:
| Rod Brass | ASTM B135 C 23000 BS 2870 CZ 102 JIS H3300 C 2300 |
| Naval Brass | IS291 Grade I or II BS 2874 CZ 112 JIS 3250 C4622 ASTM C48200 |
| Chemical Requirements | Garde I | Grade II |
| Copper | 61.0 - 64.0% | 59.0 - 62.0% |
| Lead | 0.20% max | 0.50 to 1.0% |
| Tin | 1.0 to 1.50% | 0.50 to 1.0% |
| Iron | 0.10% max | - |
| Other Imp. | 0.20% max | 0.20% max |
| Zinc | Remainder | Remainder |
| Physical Properties |
| Condition | Size | T.S. 2 Kg/mm2 | EL% Min | T.S. 2 Kg/mm2 | EL% Min |
| Half-Hard (HB) | Upto 12.5 12.5 to 50 50 to 100 | 40 min 38.5 min 35 min | 18% 18% 18% | 40 min 40 min 40 min | 15% 15% 15% |
| Fabrication Properties |
| Capacity for being | | |
| Cold Worked | Fair | Poor |
| Hot Worked | Excellent | Good |
| Machinability Rating | 30% | 50% |
| Forgeability Rating | 90% | 90% |
| Silver Alloy Brazing | Excellent | Excellent |
| Soft Soldering | Excellent | Excellent |
| Oxyacetylene Welding | Good | Not Suitable |
| Uses |
| Gr I : Condenser Components, Propeller Shaft, Marine hardware where bending is required. |
| Gr II : Marine Hardware, Screw Machine, Valve Stems and Components for Naval use. |
Engineered for Demanding Marine EnvironmentsIS: 291 Gr II Naval Brass Rods are specifically crafted to withstand harsh marine conditions. Their excellent resistance to seawater and industrial atmospheres makes them ideal for shipbuilding, marine fasteners, and underwater fittings. The hard temper and precise H9 tolerance guarantee structural integrity in demanding settings, providing long-term stability and performance.
Versatile Applications Beyond Marine UseBeyond marine engineering, these rods are widely adopted in general engineering, hardware manufacturing, and various industrial products. Their bright, smooth finish and reliable machinability allow for seamless integration into complex components, while the consistent quality ensures compatibility with diverse manufacturing processes.
FAQs of IS: 291 Gr ll Naval Brass Rod:
Q: How does IS: 291 Gr II Naval Brass Rod perform in marine environments?
A: The IS: 291 Gr II Naval Brass Rod excels in marine settings due to its excellent resistance to corrosion from seawater and industrial atmospheres, making it suitable for ship parts, marine fasteners, propeller shafts, and related applications.
Q: What is the recommended usage of this naval brass rod?
A: This rod is recommended for marine, engineering, and hardware applications that encounter tough environmental conditions. Its high tensile strength and good machinability make it ideal for precision engineering components, marine hardware, and corrosion-resistant fittings.
Q: When should I choose IS: 291 Gr II Naval Brass Rod over standard brass rods?
A: You should select IS: 291 Gr II Naval Brass Rod when you require enhanced corrosion resistance, higher mechanical strength, and durability for applications exposed to seawater, industrial chemicals, or high mechanical stress.
Q: Where can these rods be supplied or exported from?
A: IS: 291 Gr II Naval Brass Rods can be supplied and exported by distributors, manufacturers, exporters, and traders across India, and are available for both domestic and international markets.
Q: What is the process for machining or shaping these rods?
A: Due to their good machinability, IS: 291 Gr II Naval Brass Rods can be easily cut, drilled, or shaped using standard metalworking tools. The rods conform to H9 tolerance standards, ensuring precise fittings for engineering applications.
Q: How does the surface finish benefit my application?
A: The bright, smooth finish not only enhances the rods appearance but also helps reduce friction and wear, making it particularly suitable for components requiring low maintenance and extended operational life.