| Grade | Thermal Conductivity (W/m·K) | Thermal Expansion (µm/m·°C) | Specific Heat (J/kg·K) | Melting Range (°C) |
|---|---|---|---|---|
| C704 (95/5 Cu-Ni) | 50 | 16.5 | 380 | 1080 – 1120 |
| C706 (90/10 Cu-Ni) | 40 | 16.8 | 380 | 1090 – 1135 |
| C710 (80/20 Cu-Ni) | 29 | 17.0 | 377 | 1170 – 1240 |
| C715 (70/30 Cu-Ni) | 26 | 16.2 | 377 | 1170 – 1240 |
| C716 (66/30/2/2 Cu-Ni-Fe-Mn) | 25 | 16.0 | 375 | 1150 – 1225 |
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| C704 (95/5 Cu-Ni) | 310 | 105 | 35 | 80 |
| C706 (90/10 Cu-Ni) | 275 | 105 | 30 | 75 |
| C710 (80/20 Cu-Ni) | 360 | 125 | 30 | 85 |
| C715 (70/30 Cu-Ni) | 380 | 150 | 30 | 95 |
| C716 (66/30/2/2 Cu-Ni-Fe-Mn) | 400 | 160 | 25 | 100 |
| Grade | Density (g/cm³) | Density (kg/m³) | Electrical Conductivity (% IACS) | Electrical Resistivity (µΩ·cm) | Modulus of Elasticity (GPa) |
|---|---|---|---|---|---|
| C704 (95/5 Cu-Ni) | 8.90 | 8900 | 9 | 19 | 140 |
| C706 (90/10 Cu-Ni) | 8.94 | 8940 | 10 | 17 | 140 |
| C710 (80/20 Cu-Ni) | 8.95 | 8950 | 6 | 28 | 145 |
| C715 (70/30 Cu-Ni) | 8.95 | 8950 | 4 | 34 | 150 |
| C716 (66/30/2/2 Cu-Ni-Fe-Mn) | 8.90 | 8900 | 4 | 36 | 150 |
| Material Type | Grade / Designation | Common Name / Description |
|---|---|---|
| Copper Nickel | C715 | 70/30 Cu-Ni |
| Copper Nickel | C706 | 90/10 Cu-Ni |
| Copper Nickel | C704 | 95/5 Cu-Ni |
| Copper Nickel | C710 | 80/20 Cu-Ni |
| Copper Nickel | C716 | 66/30/2/2 Cu-Ni-Fe-Mn |
Copper Nickel – Size Range & Weight Chart Standard Size Range
| Product Form | Size Range |
|---|---|
| Round Bar | 6 mm to 300 mm Dia |
| Flat Bar | 10 mm to 150 mm Width |
| Plate | 3 mm to 100 mm Thickness |
| Sheet | 0.5 mm to 6 mm Thickness |
| Pipe / Tube | 6 mm to 219 mm OD |
Weight Chart – Round Bar (Approx.) (Density considered ≈ 8.95 g/cm³)
| Diameter (mm) | Weight (kg/m) |
|---|---|
| 10 | 0.70 |
| 12 | 1.00 |
| 16 | 1.80 |
| 20 | 2.80 |
| 25 | 4.40 |
| 30 | 6.30 |
| 40 | 11.20 |
| 50 | 17.50 |
| 60 | 25.20 |
| 75 | 39.40 |
| 100 | 70.30 |
| Grade | Copper (Cu) | Nickel (Ni) | Iron (Fe) | Manganese (Mn) | Others |
|---|---|---|---|---|---|
| C704 (95/5 Cu-Ni) | Balance | 4 – 6 | 0.05 max | 0.30 max | 0.50 max |
| C706 (90/10 Cu-Ni) | Balance | 9 – 11 | 1.0 – 1.8 | 1.0 max | 0.50 max |
| C710 (80/20 Cu-Ni) | Balance | 19 – 23 | 0.40 – 1.0 | 1.0 max | 0.50 max |
| C715 (70/30 Cu-Ni) | Balance | 29 – 33 | 0.40 – 1.0 | 1.0 max | 0.50 max |
| C716 (66/30/2/2 Cu-Ni-Fe-Mn) | Balance | 29 – 33 | 1.5 – 2.5 | 1.5 – 2.5 | 0.50 max |
| Step No. | Process | Description |
|---|---|---|
| 1 | Raw Material Selection | High purity Copper and Nickel with controlled Iron and Manganese content are selected as per grade requirement. |
| 2 | Melting | Materials are melted in induction or electric arc furnace at controlled temperature (approx. 1200°C – 1300°C). |
| 3 | Alloying | Nickel and other alloying elements are added to achieve required chemical composition. |
| 4 | Casting | Molten metal is cast into billets, slabs, or ingots using continuous casting or sand casting process. |
| 5 | Hot Working | Billets are hot rolled, hot extruded, or forged to produce bars, rods, plates, or tubes. |
| 6 | Cold Working | Further processing like cold drawing, cold rolling, or pilgering is done to achieve precise dimensions and surface finish. |
| 7 | Heat Treatment | Annealing process is carried out to improve ductility and relieve internal stresses. |
| 8 | Surface Finishing | Pickling, polishing, grinding, or shot blasting is performed for clean surface quality. |
| 9 | Testing & Inspection | Chemical, mechanical, dimensional, and non-destructive testing is conducted as per ASTM/EN standards. |
| 10 | Final Cutting & Packing | Material is cut to required length, marked with grade details, and packed for dispatch. |
| Finish Type | Process Method | Description |
|---|---|---|
| Mill Finish | As Rolled / As Extruded | Natural surface obtained directly after hot or cold working without additional treatment. |
| Pickled Finish | Acid Pickling | Oxide scale and surface impurities are removed using controlled acid treatment. |
| Bright Finish | Cold Drawing / Bright Annealing | Smooth and clean surface achieved through controlled atmosphere heat treatment. |
| Polished Finish | Mechanical Polishing | Surface polished using abrasive belts or wheels to obtain smooth appearance. |
| Mirror Finish | Fine Buffing | High gloss reflective surface achieved through multi-stage polishing. |
| Brushed Finish | Directional Abrasion | Uniform matte texture with fine parallel lines on surface. |
| Shot Blasted Finish | Shot Blasting | Matte and uniform textured surface using high-speed abrasive media. |
| Passivated Finish | Chemical Treatment | Protective oxide layer formed to enhance corrosion resistance. |
| Industry | Application | Common Grades Used |
|---|---|---|
| Marine & Shipbuilding | Seawater piping systems | C706 / C715 |
| Marine & Shipbuilding | Heat exchanger tubes | C706 / C715 |
| Marine & Shipbuilding | Condenser tubes | C706 |
| Offshore & Oil Platforms | Fire water systems | C715 |
| Power Plants | Cooling water systems | C706 |
| Desalination Plants | Evaporator tubing | C706 / C715 |
| Chemical Industry | Process equipment piping | C715 |
| Automotive | Brake tubing | C706 |
| Coinage | Coins and currency blanks | C710 / C704 |
| Defense | Naval hardware components | C715 |
Packaging is a major part of every delivery, and we understand it very well. We supply many types of metals and other industrial metal products to make sure they reach our customers safely. We know products face many types of problems, such as vibration, moisture and rough handling therefore we follow a careful and organised packaging process. Our goal is simple: we deliver every product in the same strong and perfect condition as when it leaves our facility.
We check every order before packing it. The size, straightness, surface quality, grade, and quantity of each rod and bar are checked. We ensure that the material is correct as per the customer request. Once inspected, we sort the products by their size and grade of material. This will ensure that we maintain the order in everything and prevent errors in dispatch. Bundling and loading are also simpler and quicker.
After these steps, make sure to arrange the products in proper alignment so that they are straight and balanced. Then they are strapped down with industrial grade strapping. These straps keep the bundle secure during lifting and transportation. We include additional support to shorten bending or movement in longer rods. We also ensure that the straps do not tear the edges or the surface of the material. This cautious wrapping ensures the merchandise is secure throughout the delivery and transportation.
Sometimes metal can be damaged by moisture and changing weather conditions. We apply protective methods based on the shipment type and destination. We may use anti-rust coatings, moisture-resistant wrapping, or protective covers to prevent them. Our additional cover against humidity and corrosion is given to export shipments and coastal deliveries. These will assist us to retain the shine, surface finish and integrity of our metal products in the long-distance transportation.
In case of large orders and/or shipments to the export market, we offer extra protection. We pack them on heavy pallets or stuff them into tough wooden structures that can be transported all over the world. The packaging is dependent on the size and weight of the shipment. We ensure that the packing is able to withstand packing pressure and movement of containers. This strong outer coating secures the materials throughout their long trips, port services and storage in warehousing.
We have proper lifting equipment such as forklifts and cranes to load materials. Our team places the bundles carefully inside trucks or containers. We place them in such a manner that they do not roll or shift during the transportation. We balance the weight to minimise the weight on any section of the shipment. Our safe loading methods give us the chance to reduce the chances of being damaged in transit, whether it is along the road or the sea.
Ganga R Ispat Metals distributes its products in India and also in overseas markets. We provide transportation with trusted logistics vendors. In the case of domestic deliveries, we organise road transportation. In export orders, we meet the international shipping standards and container loading requirements. Each shipment will be planned based on the delivery schedules to make it arrive on time. Our well organized transport system assists us in delivering products in an efficient and safe way.
We make ready all papers preceding dispatch. These documents can be invoices, packing lists, and required certificates. Proper documentation assists in easy transportation and reduced time in clearance of customs when making export shipments. We have good records to promote transparency and professional service.
A well-structured packaging and transportation process directly impacts product performance upon delivery. Our approach ensures:
We believe that packaging is not just about wrapping materials — it is about protecting the value and reliability of the product until it reaches the client.
In Ganga R Ispat Metals, we suppose that safe packaging and transportation ensure the value of our products. To avoid bending, scratches, and corrosion, we make every effort to avoid transit damage. We consider packaging as our quality responsibility. We have a standard process; however, our packing techniques are changed according to the product size, order quantity, and destination.
We ensure that all the rods and bars are sold to our customers in a powerful, secure and working condition. We offer secure packaging or assured transportation as an additional service.
Copper nickel products are widely used in marine, power generation, oil & gas, and desalination industries due to their excellent corrosion resistance and durability.
These alloys offer outstanding resistance to seawater corrosion, biofouling, and stress corrosion cracking, making them perfect for shipbuilding and offshore structures.
Copper nickel products provide high strength, long service life, low maintenance, and excellent thermal and electrical conductivity.
Yes, they perform well under elevated temperatures and maintain their mechanical properties, making them suitable for heat exchangers and condensers.
Our products are manufactured using high-grade materials and undergo strict quality checks to meet international standards and ensure reliable performance.
Yes, we offer customization in terms of size, thickness, and specifications to meet diverse industrial and project requirements.
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