Product Description
IS: 291 Gr l 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. |
Outstanding Corrosion ResistanceEngineered for harsh marine and industrial environments, IS: 291 Gr I Naval Brass Rod delivers excellent corrosion resistance. Its specialized copper-zinc-tin composition renders it highly resilient against seawater and chemical exposure, extending the lifespan of marine and engineering components.
Versatile Engineering ApplicationsThese naval brass rods are tailored for use in marine fittings, shafts, pump components, and engineering parts. The range of available lengths and diameters, alongside customizable weights, enables easy adaptation to specific project requirements across different sectors.
High Mechanical PerformanceWith a minimum tensile strength of 365 MPa and superior elongation properties, IS: 291 Gr I rods combine strength and flexibility. Their robust mechanical characteristics make them ideal for applications demanding both endurance and performance, especially in marine and heavy-duty engineering contexts.
FAQs of IS: 291 Gr l Naval Brass Rod:
Q: How is IS: 291 Gr I Naval Brass Rod manufactured to ensure quality?
A: Manufactured according to IS: 291:1989 standards, the rod undergoes precise alloying of copper, zinc, and tin, followed by controlled casting and extrusion. Stringent quality checks are performed to maintain tight tolerances, optimal mechanical properties, and a bright, smooth surface finish.
Q: What are the common applications of Naval Brass Rods?
A: IS: 291 Gr I Naval Brass Rods are widely used in marine fittings, propeller and pump shafts, pump parts, and precision engineering components, due to their excellent corrosion resistance, mechanical strength, and durability in aggressive environments.
Q: When should IS: 291 Gr I Naval Brass Rod be chosen over other materials?
A: This brass rod is ideal when your application demands high corrosion resistance, especially in marine or chemical settings, coupled with the need for reliable mechanical performance and dimensional accuracy.
Q: Where are these brass rods primarily supplied and used?
A: These rods are primarily distributed, exported, and supplied to Indian and international markets for use in shipbuilding, engineering, pump manufacturing, and industrial sectors requiring robust metallic solutions.
Q: What benefits does the IS: 291 Gr I Naval Brass Rod provide?
A: Key benefits include outstanding corrosion resistance, high tensile strength, a bright, smooth finish, and reliable dimensional tolerances. Their properties boost component longevity and reduce maintenance needs in challenging environments.
Q: How can the rods diameter and length be customized for specific needs?
A: The rods can be provided in lengths from 1 to 4 meters and diameters between 12 mm and 100 mm. Custom weights are available, depending on the chosen dimensions, to suit bespoke engineering and marine requirements.