Chuck Metals stands out as a top-notch manufacturer and supplier of high-quality metal solutions in Singapore, catering to essential industrial sectors throughout Pulau Ujong and Southeast Asia. Renowned for its unwavering commitment to quality, technical know-how, and quick turnaround times, the company offers a diverse range of corrosion-resistant alloys specifically designed for marine, power generation, and chemical processing applications. One of its most sought-after products is the Copper Nickel 70/30 Bars and Rods, celebrated for their exceptional performance in extremely corrosive settings. With a dedication to maintaining consistent quality and adhering to industry standards, Chuck Metals has earned its reputation as a reliable partner for precision-engineered copper-nickel alloy components.
The Copper Nickel 70/30 Bars and Rods consist of roughly 70% copper and 30% nickel, with minor additions of iron and manganese to enhance strength and corrosion resistance. This alloy is particularly prized for its outstanding resistance to seawater corrosion, erosion, and biofouling. It typically boasts a tensile strength ranging from 310 to 500 MPa, along with high ductility and solid thermal stability. The material retains its mechanical integrity even under high temperatures and challenging operating conditions. Additionally, Copper Nickel 70/30 is known for its excellent weldability and moderate machinability, making it a perfect fit for both structural and high-pressure piping systems in marine and industrial settings.
| Standards | ASTM B151 / ASME SB151 |
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI all International Standards |
| Diameter | Outside Diameter in the range of 4mm to 500mm |
| Width | 1m to 48″ |
| Hex Bars | 18mm – 57mm (11/16″ to 2-3/4″) |
| Square Bars | 18mm – 47mm (11/16″ to 1-3/4″) |
| Flat Bars | 1/2” to 10” in the thickness range of 2mm to 150mm |
| Wire Length | Max 12000 mm |
| Wire Diameter | 5.5 – 400 mm |
| Length | 1 to 6 Meters, Custom Cut Lengths |
| Types | Round, Square, Hex (A/F), Flat, Square, Rectangle, Billet, Ingot, Forging, Wire Bobbin, Wire Spool, Wire Rope, Spring Wires, Welding Wire, Coiled Wire Etc. |
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Copper Nickel 70/30 | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 0.323 lb/in3 at 68 F | 2260 °F | Psi – 50000 | Psi – 20000 | 30 % |
| STANDARD | WERKSTOFF NR. | UNS |
| Copper Nickel 70/30 | 2.0882 | C71500 |
| Metric | US Rods | ASTM/ Canadian | Japanese | ||||
|---|---|---|---|---|---|---|---|
| Rods Size | Diam. (mm) | Rods Size | Diam. (Inch) | Rods Size | Diam. (mm2) | Rods Size | Diam. (mm) |
| 5 | 5 | #2 | 0.250 | 10M | 100 | 6 | 6 |
| 5.5 | 5.5 | #3 | 0.375 | 15M | 200 | 10 | 10 |
| 6 | 6 | #4 | 0.500 | 20M | 300 | 13 | 13 |
| 7 | 7 | #5 | 0.600 | 25M | 500 | 16 | 16 |
| 8 | 8 | #6 | 0.750 | 30M | 700 | 19 | 19 |
| 9 | 9 | #7 | 0.875 | 35M | 1000 | 22 | 22 |
| 10 | 10 | #8 | 1.000 | 45M | 1500 | 25 | 25 |
| 11 | 11 | #9 | 1.125 | 55M | 2500 | 29 | 29 |
| 12 | 12 | #10 | 1.250 | 32 | 32 | ||
| 14 | 14 | #11 | 1.375 | 35 | 35 | ||
| 16 | 16 | #12 | 1.500 | 38 | 38 | ||
| 18 | 18 | #13 | 1.600 | 41 | 41 | ||
| 20 | 20 | #14 | 1.750 | 44 | 44 | ||
| 22 | 22 | #15 | 1.875 | 48 | 48 | ||
| 25 | 25 | #16 | 2.000 | 51 | 51 | ||
| 28 | 28 | #18 | 2.250 | 57 | 57 | ||
| 32 | 32 | ||||||
| 36 | 36 | ||||||
| 40 | 40 | ||||||
| 44 | 44 | ||||||
| 50 | 50 | ||||||
| Size | Kgs / Foot | Kgs / Mtr | Size | Kgs / Foot | Kgs / Mtr | Size | Kgs / Foot | Kgs / Mtr |
| 3mm | 0.017 | 0.055 | 20mm | 0.753 | 2.470 | 3″ | 10.900 | 35.762 |
| 1/8″ | 0.019 | 0.062 | 22mm | 0.908 | 2.979 | 3-1/4″ | 12.800 | 41.996 |
| 5/32″ | 0.029 | 0.095 | 7/8″ | 0.926 | 3.038 | 3-1/2″ | 14.850 | 48.772 |
| 4mm | 0.030 | 0.098 | 24mm | 1.080 | 3.543 | 3-3/4″ | 17.001 | 55.780 |
| 3/16″ | 0.043 | 0.141 | 25mm | 1.180 | 3.871 | 4″ | 19.306 | 63.340 |
| 5mm | 0.047 | 0.154 | 1″ | 1.210 | 3.970 | 4-1/4″ | 21.908 | 72.249 |
| 7/32″ | 0.058 | 0.190 | 26mm | 1.271 | 4.170 | 4-1/2″ | 24.4487 | 80.340 |
| 6mm | 0.068 | 0.223 | 27mm | 1.368 | 4.490 | 4-3/4″ | 27.366 | 90.249 |
| 1/4″ | 0.076 | 0.249 | 1-1/8″ | 1.534 | 5.033 | 5″ | 30.461 | 99.940 |
| 7mm | 0.091 | 0.298 | 30mm | 1.691 | 5.548 | 5-1/2″ | 36.690 | 121.000 |
| 5/16″ | 0.118 | 0.387 | 1-1/4″ | 1.924 | 6.349 | 6″ | 43.860 | 143.900 |
| 8mm | 0.120 | 0.398 | 32mm | 1.894 | 6.314 | 6-1/2″ | 51.093 | 167.630 |
| 9mm | 0.152 | 0.498 | 1-3/8″ | 2.303 | 7.550 | 7″ | 59.432 | 196.000 |
| 3/8″ | 0.170 | 0.557 | 35mm | 2.390 | 7.553 | 7-1/2″ | 68.226 | 225.000 |
| 10mm | 0.189 | 0.620 | 36mm | 2.438 | 7.999 | 8″ | 77.586 | 254.55 |
| 11mm | 0.228 | 0.748 | 38mm | 2.792 | 8.903 | 10″ | 121.048 | 397.140 |
| 7/16″ | 0.232 | 0.761 | 1-1/2″ | 2.715 | 8.951 | |||
| 12mm | 0.271 | 0.889 | 40mm | 3.009 | 9.872 | |||
| 1/2″ | 0.303 | 0.994 | 1-5/8″ | 3.200 | 10.449 | |||
| 13mm | 0.318 | 1.043 | 1-3/4″ | 3.712 | 12.179 | |||
| 14mm | 0.368 | 1.207 | 45mm | 3.807 | 12.555 | |||
| 9/16″ | 0.383 | 1.256 | 1-7/8″ | 4.260 | 13.977 | |||
| 15mm | 0.424 | 1.391 | 48mm | 4.330 | 14.205 | |||
| 5/8″ | 0.473 | 1.551 | 50mm | 4.698 | 15.414 | |||
| 16mm | 0.481 | 1.578 | 2″ | 4.848 | 15.906 | |||
| 17mm | 0.543 | 1.791 | 2-1/8″ | 5.475 | 17.963 | |||
| 11/16″ | 0.573 | 1.880 | 2-1/4″ | 6.135 | 20.128 | |||
| 18mm | 0.610 | 2.001 | 60mm | 6.768 | 22.205 | |||
| 3/4″ | 0.682 | 2.237 | 2-3/8″ | 6.838 | 22.435 | |||
| 2-1/2″ | 7.576 | 24.856 | ||||||
| 2-5/8″ | 8.354 | 27.409 | ||||||
| 2-3/4″ | 9.169 | 30.083 |
Yes, Copper Nickel 70/30 bars and rods are suitable for hygienic and sanitary applications due to their corrosion resistance, antimicrobial properties, and durability, making them ideal for food, beverage, and medical industries.
Yes, Copper Nickel 70/30 bars and rods can be recycled after use. They maintain their properties when recycled, making them an environmentally sustainable material for reuse in various applications.
Copper Nickel 70/30 bars and rods are sized by their diameter for round bars or by width and thickness for rectangular bars, typically measured in inches or millimeters.
Copper Nickel 70/30 Bars and Rods find extensive use in industries that function in highly corrosive or saline environments. In the marine and shipbuilding sectors, they are ideal for seawater piping, condenser components, heat exchangers, and valve parts, thanks to their robust resistance to saltwater corrosion and biofouling. In power plants and desalination facilities, these bars are utilized in brine heaters, evaporators, and tubing systems. The chemical industry also relies on them for managing acidic and corrosive fluids. Their unique blend of mechanical strength, corrosion resistance, and thermal conductivity makes Copper Nickel 70/30 an invaluable choice for various applications.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chuck Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Singapore, Singapore
Copyright 2024 Chuck Metals. All rights reserved