Naval Brass Spool is one of the most demanded engineered components used in marine, shipbuilding, desalination, condenser, and industrial water-cooling systems. Riddhi Siddhi Impex, a trusted name in the metal industry, is a reputed manufacturer and supplier of high-quality Naval Brass Spools designed to offer exceptional corrosion resistance, strength, and long service life. With years of experience and superior fabrication capabilities, the company delivers spools that meet international quality standards and custom industrial specifications...
At Riddhi Siddhi Impex, every Naval Brass Spool is manufactured using premium-grade Naval Brass C46400, known for its excellent corrosion resistance in seawater and high mechanical strength. These spools are widely used in marine engineering and saltwater applications due to their ability to withstand dezincification and stress-related corrosion. The company ensures that each fabricated spool undergoes rigorous quality testing, guaranteeing durability and optimal performance in challenging environments..
As a leading Naval Brass Spool Domestic Supplier, Riddhi Siddhi Impex supplies its products to major industrial sectors across India. The spools are manufactured in modern facilities equipped with advanced machinery, ensuring accurate dimensions, smooth surface finishing, and reliable weld integrity. Whether customers require standard spools or custom-fabricated assemblies based on drawings, the company offers complete flexibility and fast production timelines..
Riddhi Siddhi Impex has established a strong supply network across top Indian metropolitan and industrial cities including Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, and Bhopal. Industries across these regions rely on the company for consistent product quality, timely delivery, and competitive pricing. Their wide distribution capability ensures that clients always receive products on time, regardless of project scale..
The company also caters to rapidly growing industrial hubs such as Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, and Akola. Naval Brass Spools supplied in these regions are extensively used in power plants, chemical units, refineries, marine factories, and HVAC industries. With continuous expansion and customer-oriented service, Riddhi Siddhi Impex has become a trusted brand for metal spool solutions in India.
| Product Name | Naval Brass Spool |
|---|---|
| Manufacturer | Riddhi Siddhi Impex |
| Material Grade | Naval Brass C46400 |
| Standard | ASTM B21 / ASTM B171 / UNS C46400 |
| Size Range | 10 mm to 600 mm (Custom available) |
| Diameter | Up to 300 mm standard / Custom on request |
| Form | Round Spool, Hollow Spool, Machined Spool |
| Surface Finish | Bright, Polished, Machined Finish |
| Application | Marine, Heat Exchangers, Pumps, Condensers, Shipbuilding |
| Element | Percentage (%) |
|---|---|
| Copper (Cu) | 59.0 – 63.0 |
| Zinc (Zn) | ~ 39.0 |
| Tin (Sn) | 0.75 – 1.0 |
| Lead (Pb) | 0.05 Max |
| Iron (Fe) | 0.05 – 0.30 |
| Others | Trace Elements |
| Property | Value |
|---|---|
| Tensile Strength | ~ 350 – 500 MPa |
| Yield Strength | ~ 105 – 170 MPa |
| Elongation | ~ 30% |
| Hardness | 85 – 105 HB |
| Corrosion Resistance | Excellent (Marine Grade) |
| Erosion Resistance | Very High |
| Size (mm) | Outer Diameter (mm) | Inner Diameter (mm) | Length (mm) |
|---|---|---|---|
| 10 – 50 | 20 – 60 | 5 – 30 | 50 – 300 |
| 50 – 100 | 60 – 120 | 20 – 60 | 100 – 600 |
| 100 – 300 | 120 – 350 | 40 – 150 | 150 – 1000 |
| Custom | As required | As required | As required |
| Standard | Equivalent Grade |
|---|---|
| UNS | C46400 |
| ASTM | B21 / B171 |
| BS | CZ112 |
| EN | CuZn36Sn1Pb |
| JIS | C4640 |
| Standard | Description |
|---|---|
| ASTM B21 | Standard Specification for Naval Brass Rods |
| ASTM B171 | Forged or Rolled Naval Brass Products |
| ASME SB171 | Copper-Alloy Plate, Sheet, and Strip |
| BS 2870 | Wrought Copper and Copper Alloy Strip |
| Type | Description |
|---|---|
| Admiralty Brass Spool | Best for condensers and heat exchangers |
| Aluminum Brass Spool | Superior resistance for seawater systems |
| High Tensile Brass Spool | Good for heavy-duty industrial applications |
| Commercial Brass Spool | General engineering and decorative use |
In Gujarat’s major industrial zones such as Vilayat, Somnath, Dahej, Vadodara, Narmada, Surat, Ankleshwar, Navsari, Valsad, and Rajpipla, Riddhi Siddhi Impex has built a strong reputation as a reliable Naval Brass Spool supplier. Industries in these areas particularly value the company’s ability to offer corrosion-resistant spools capable of functioning in seawater-cooled condenser lines, offshore structures, and brine circulation systems.
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