Manufacturer, Supplier & Exporter of Cu-Ni 70/30 Spool
Cu-Ni 70/30 Spool, also known as Copper Nickel 70/30 or UNS C71500, is one of the most reliable materials for marine, offshore, chemical, and heat-transfer applications. With a composition of 70% copper and 30% nickel, this alloy offers exceptional corrosion resistance in seawater environments, making it a preferred choice in the shipbuilding and desalination industries. Riddhi Siddhi Impex manufactures premium-quality Cu-Ni 70/30 Spools that meet global quality standards and offer long-lasting performance in the most challenging conditions..
As a leading manufacturer and supplier, Riddhi Siddhi Impex ensures precision-engineered Cu-Ni 70/30 Spools designed to withstand aggressive environments involving salty water, steam, and high-pressure industrial fluids. The alloy also contains small additions of iron and manganese, which significantly improve its resistance to erosion, pitting, and stress corrosion cracking. This makes the spools highly suitable for heat exchangers, condensers, seawater cooling systems, and naval equipment..
One of the key advantages of Cu-Ni 70/30 is its superior mechanical stability at high temperatures. Even when exposed to fluctuating thermal cycles, the alloy maintains its strength and does not degrade, ensuring consistent performance. Riddhi Siddhi Impex manufactures Cu-Ni 70/30 Spools using advanced forming, rolling, and coiling technology, ensuring uniform thickness, smooth surface finish, and high dimensional accuracy for critical industrial applications...
The Cu-Ni 70/30 Spool from Riddhi Siddhi Impex is widely used in marine engineering due to its ability to resist biofouling and the buildup of marine organisms. This makes it particularly suitable for seawater piping systems, ballast water systems, and offshore platforms. Its excellent resistance to hydrogen embrittlement and corrosion fatigue further enhances its reliability in harsh marine environments, adding to its long operational life...
Riddhi Siddhi Impex is recognized as a trusted domestic supplier of Cu-Ni 70/30 Spool across all major industrial zones in India. The company supplies the alloy to cities such as Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru, Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, Rajpipla and many other regions. Strong logistics support ensures timely delivery for project-based and bulk requirements..
Cu-Ni 70/30 Spool Specification
| Property | Details |
|---|---|
| Grade | Cu-Ni 70/30 (UNS C71500) |
| Standard | ASTM B466 / B467 |
| Size Range | 1/8” to 3” OD |
| Wall Thickness | 0.5 mm to 10 mm |
| Form | Coils, Spools, Straight Tubing |
| Length | Custom / Coil Form |
| Finish | Bright Annealed / Mill Finish |
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Copper (Cu) | 65.0 – 70.0% |
| Nickel (Ni) | 29.0 – 33.0% |
| Iron (Fe) | 0.4 – 1.0% |
| Manganese (Mn) | 1.0 – 1.5% |
| Others | Trace Elements |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 350 – 520 MPa |
| Yield Strength | 105 – 170 MPa |
| Elongation | 35% Min |
| Hardness | 80 – 120 HB |
Dimension Chart (Cu-Ni 70/30 Spool)
| Outside Diameter (OD) | Wall Thickness | Length |
|---|---|---|
| 6.35 mm (1/4") | 0.80 – 1.20 mm | Coil / Custom |
| 12.7 mm (1/2") | 1.00 – 2.00 mm | Coil / Custom |
| 19.05 mm (3/4") | 1.20 – 2.50 mm | Coil / Custom |
| 25.4 mm (1") | 1.50 – 3.00 mm | Coil / Custom |
| 38.1 mm (1-1/2") | 2.00 – 4.00 mm | Custom |
| 50.8 mm (2") | 2.00 – 5.00 mm | Custom |
Equivalent Grades
| Standard | Equivalent Grade |
|---|---|
| UNS | C71500 |
| WNR | 2.0882 |
| BS | CN107 |
| ISO | CuNi30Mn1Fe |
Equivalent Standards
| Standard | Description |
|---|---|
| ASTM B466 | Seamless Copper-Nickel Pipe and Tube |
| ASTM B467 | Welded Copper-Nickel Pipe and Tube |
| DIN 17664 | Cu-Ni Alloys Specifications |
| EN 12451 | Copper and Copper Alloys Tubes |
Other Copper Nickel Spool Types
| Type |
|---|
| Cu-Ni 90/10 Spool |
| Cu-Ni 70/30 Spool |
| Cu-Ni Industrial Spool |
| Cu-Ni Marine Grade Spool |
| Custom Copper Nickel Spool |
Riddhi Siddhi Impex offers Cu-Ni 70/30 Spools in customized dimensions, thicknesses, coil lengths, and tempers as per client needs. Whether customers require soft annealed coils for easy bending and forming or harder tempers for high-pressure applications, the company delivers products that match exact specifications. The spools are available in different OD sizes, wall thickness ranges, and coil configurations tailored to industries such as marine, petrochemical, desalination, and power generation.
Frequently Asked Questions (FAQs)
- Q1: What are the common applications of Cu-Ni 70/30 Spool?
- A1: Cu-Ni 70/30 Spools are widely used in marine systems, seawater piping, condensers, heat exchangers, desalination plants, offshore platforms, and chemical processing industries due to excellent corrosion resistance.
- Q2: Do you provide customized sizes and lengths for Cu-Ni 70/30 Spool?
- A2: Yes, we offer fully customized Cu-Ni 70/30 Spools including custom OD, wall thickness, coil length, and temper conditions as per project requirements.
- Q3: Is Cu-Ni 70/30 suitable for seawater applications?
- A3: Yes, Cu-Ni 70/30 is highly resistant to seawater corrosion, biofouling, and stress cracking, making it ideal for marine and naval engineering applications.
- Q4: What forms are available for Cu-Ni 70/30 Spools?
- A4: Cu-Ni 70/30 is available in spools, coils, straight lengths, tubing, and custom-fabricated assemblies depending on customer needs.
Cities we have supplied our products to
Mumbai, Cu-Ni 70/30 Spool Suplier in Delhi, Cu-Ni 70/30 Spool Suplier in Bengaluru(Bangalore), Cu-Ni 70/30 Spool Suplier in Hyderabad, Cu-Ni 70/30 Spool Suplier in Chennai, Cu-Ni 70/30 Spool Suplier in Kolkata, Cu-Ni 70/30 Spool Suplier in Pune, Cu-Ni 70/30 Spool Suplier in Ahmedabad, Cu-Ni 70/30 Spool Suplier in Surat, Cu-Ni 70/30 Spool Suplier in Vadodara, Cu-Ni 70/30 Spool Suplier in Rajkot, Cu-Ni 70/30 Spool Suplier in Nagpur, Cu-Ni 70/30 Spool Suplier in Indore, Cu-Ni 70/30 Spool Suplier in Bhopal, Cu-Ni 70/30 Spool Suplier in Jaipur, Cu-Ni 70/30 Spool Suplier in Kanpur, Cu-Ni 70/30 Spool Suplier in Lucknow, Cu-Ni 70/30 Spool Suplier in Agra, Cu-Ni 70/30 Spool Suplier in Varanasi, Cu-Ni 70/30 Spool Suplier in Amritsar, Cu-Ni 70/30 Spool Suplier in Chandigarh, Cu-Ni 70/30 Spool Suplier in Mysuru (Mysore), Cu-Ni 70/30 Spool Suplier in Udaipur, Cu-Ni 70/30 Spool Suplier in Jodhpur, Cu-Ni 70/30 Spool Suplier in Visakhapatnam, Cu-Ni 70/30 Spool Suplier in Coimbatore, Cu-Ni 70/30 Spool Suplier in Madurai, Cu-Ni 70/30 Spool Suplier in Kochi, Cu-Ni 70/30 Spool Suplier in Thiruvananthapuram, Cu-Ni 70/30 Spool Suplier in Mangalore, Cu-Ni 70/30 Spool Suplier in Nagpur, Cu-Ni 70/30 Spool Suplier in Nashik, Cu-Ni 70/30 Spool Suplier in Kolhapur, Cu-Ni 70/30 Spool Suplier in Chandrapur, Cu-Ni 70/30 Spool Suplier in Akola, Cu-Ni 70/30 Spool Suplier in Vilayat, Cu-Ni 70/30 Spool Suplier in Somnath, Cu-Ni 70/30 Spool Suplier in Dahej, Cu-Ni 70/30 Spool Suplier in Vadodara, Cu-Ni 70/30 Spool Suplier in Narmada, Cu-Ni 70/30 Spool Suplier in Surat, Cu-Ni 70/30 Spool Suplier in Ankleshwar, Cu-Ni 70/30 Spool Suplier in Navsari, Cu-Ni 70/30 Spool Suplier in Valsad, Cu-Ni 70/30 Spool Suplier in Rajpipla, Cu-Ni 70/30 Spool Suplier in Veraval, Cu-Ni 70/30 Spool Suplier inKovvur, Cu-Ni 70/30 Spool Suplier in Andra Pradesh, Cu-Ni 70/30 Spool Suplier inKarwar, Cu-Ni 70/30 Spool Suplier in Karnataka, Cu-Ni 70/30 Spool Suplier inKosamba, Cu-Ni 70/30 Spool Suplier in Gujarat, Cu-Ni 70/30 Spool Suplier in Vishakapatnam, Cu-Ni 70/30 Spool Suplier in Shahad, Cu-Ni 70/30 Spool Suplier in Pondicherry, Cu-Ni 70/30 Spool Suplier in Kakkinada, Cu-Ni 70/30 Spool Suplier in Andra Pradesh, Cu-Ni 70/30 Spool Suplier in Nagda, Cu-Ni 70/30 Spool Suplier in Madhya Pradesh, Cu-Ni 70/30 Spool Suplier inHarihar, Cu-Ni 70/30 Spool Suplier in Karnataka, Cu-Ni 70/30 Spool Suplier in Tuticorin, Cu-Ni 70/30 Spool Suplier in Tamilnadu, Cu-Ni 70/30 Spool Suplier in Trivandrum, Cu-Ni 70/30 Spool Suplier in KeralaKurnool, Cu-Ni 70/30 Spool Suplier in Andra Pradesh, Cu-Ni 70/30 Spool Suplier in Rourkela, Cu-Ni 70/30 Spool Suplier in Hindupur, Cu-Ni 70/30 Spool Suplier in Orissa, Cu-Ni 70/30 Spool Suplier in Renukoot, Cu-Ni 70/30 Spool Suplier in Uttar Pradesh, Cu-Ni 70/30 Spool Suplier in Morbi, Cu-Ni 70/30 Spool Suplier in Kerala , Cu-Ni 70/30 Spool Suplier inHimachal, Cu-Ni 70/30 Spool Suplier in Dehradun, Cu-Ni 70/30 Spool Suplier in Visakhapatnam , Cu-Ni 70/30 Spool Suplier inJamnagar, Cu-Ni 70/30 Spool Suplier in Kozhikode, Cu-Ni 70/30 Spool Suplier in Pondicherry, Cu-Ni 70/30 Spool Suplier in Ludhiana, Cu-Ni 70/30 Spool Suplier inLatur, Cu-Ni 70/30 Spool Suplier in Nanded, Cu-Ni 70/30 Spool Suplier in Vijaywada, Cu-Ni 70/30 Spool Suplier in Alwar, Cu-Ni 70/30 Spool Suplier in Bareilly, Cu-Ni 70/30 Spool Suplier in Bikaner, Cu-Ni 70/30 Spool Suplier in Andheri, Cu-Ni 70/30 Spool Suplier in Marol, Cu-Ni 70/30 Spool Suplier in Taloja, Cu-Ni 70/30 Spool Suplier in Turbhe, Cu-Ni 70/30 Spool Suplier in TTC (Thane-Belapur), Cu-Ni 70/30 Spool Suplier in Pimpri-Chinchwad, Cu-Ni 70/30 Spool Suplier in Chakan, Cu-Ni 70/30 Spool Suplier in Talegaon, Cu-Ni 70/30 Spool Suplier in Ranjangaon, Cu-Ni 70/30 Spool Suplier in Jejuri, Cu-Ni 70/30 Spool Suplier in Baramati, Cu-Ni 70/30 Spool Suplier in Satpur, Cu-Ni 70/30 Spool Suplier in Ambad, Cu-Ni 70/30 Spool Suplier in Sinnar, Cu-Ni 70/30 Spool Suplier in Igatpuri, Cu-Ni 70/30 Spool Suplier in Shendra, Cu-Ni 70/30 Spool Suplier in Waluj, Cu-Ni 70/30 Spool Suplier in Chikalthana, Cu-Ni 70/30 Spool Suplier in Paithan, Cu-Ni 70/30 Spool Suplier in Hingna, Cu-Ni 70/30 Spool Suplier in Butibori, Cu-Ni 70/30 Spool Suplier in Kalmeshwar, Cu-Ni 70/30 Spool Suplier in Umred, Cu-Ni 70/30 Spool Suplier in Shiroli, Cu-Ni 70/30 Spool Suplier in Kagal, Cu-Ni 70/30 Spool Suplier in Gokul Shirgaon, Cu-Ni 70/30 Spool Suplier in Akkalkot, Cu-Ni 70/30 Spool Suplier in Chincholi, Cu-Ni 70/30 Spool Suplier in Lote-Parshuram, Cu-Ni 70/30 Spool Suplier in Dombivli, Cu-Ni 70/30 Spool Suplier in Ambernath, Cu-Ni 70/30 Spool Suplier in Mahad, Cu-Ni 70/30 Spool Suplier in Roha, Cu-Ni 70/30 Spool Suplier in Palghar, Cu-Ni 70/30 Spool Suplier in Tarapur (Boisar) and for inder national
Countries we have supplied our products to
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