DIN 86019 C70600 Pipes Manufacturer – CuNi 90/10 Seamless & Welded Pipe Supplier
We are a professional DIN 86019 C70600 pipes manufacturer in China, offering premium-quality Copper Nickel 90/10 (CuNi 90/10) pipes for marine, offshore, desalination, and heat exchanger applications. Manufactured in accordance with DIN 86019 standards, our C70600 pipes are known for their excellent corrosion resistance, durability, and performance in aggressive saltwater environments.
All CuNi 90/10 pipes are manufactured as per DIN 86019 and ASTM B466/B467, ensuring high strength, corrosion resistance, and long service life in seawater and brine environments.
C70600 (UNS C70600), also known as CuNi10Fe1Mn, contains 90% copper and 10% nickel with small additions of iron and manganese for enhanced strength and seawater corrosion resistance.
DIN 86019 C70600 Copper-Nickel Pipe | CuNi 90/10 Seamless Tube
The DIN 86019 specifies seamless copper-nickel tubes for corrosion-resistant service. Our CuNi 90/10 (UNS C70600) pipes with exceptional seawater resistance, erosion control, and mechanical strength ,widely used in marine and industrial system
Seamless tubes made of CuNi10Fe1,6Mn for pipes – Dimensions for standard tubes and precision tubes.
DIN 86019 C70600 pipe can be used as the raw material to produce the DIN 86090 elbow,DIN 86088 Tee,cuni pipe fittings.
Standards & Specifications
- Primary Standard: DIN 86019
- Alternate Specs: BS 2871 CN102, EN 12449, EN 1652, ASTM B466
- Pressure Rating: 10 bar for DIN 86019; up to 16 bar under EEMUA 144/234
Chemical Composition (UNS C70600)
| Element | Composition (wt %) |
|---|---|
| Copper (Cu) | Remainder |
| Nickel (Ni) | 9.0–11.0 |
| Iron (Fe) | 1.0–1.8 |
| Manganese (Mn) | ≤ 1.0 |
| Zinc (Zn) | ≤ 1.0 |
| Lead (Pb) | ≤ 0.05 |
| Phosphorus (P) | ≤ 0.02 |
| Sulfur (S) | ≤ 0.02 |
DIN 86019 pipe Dimension
DIN 1755 T3, DIN86018, DIN86019 BS2871 PT2 & EEMUA 144
Size: OD from 8MM to 900MM,
OD ≤ 419mm could be seamless pipes. OD above than 457mm will be welded pipes.
Wall Thickness:10Bar,14bar,16Bar,20Bar, 1 mm to 8 mm.
Pipe Length:6m/pcs or cut length

| Outside Diameter of Cuni 90/10 pipe | DIN 86019 | |||||
| 10 bar | 14 bar | |||||
| ØOutside Diameter | Wall | Theoretical | Wall | Theoretical | ||
| Thickness | Weight | Thickness | Weight | |||
| Nominal | Actual | |||||
| inch | DN | mm | mm | Kg/m | mm | Kg/m |
| 1/8 | 10 | 1 | 0.26 | 1 | 0.26 | |
| 1/4 | 12 | 1 | 0.31 | 1 | 0.31 | |
| 3/8 | 10 | 16 | 1 | 0.42 | 1 | 0.42 |
| 1/2 | 15 | 20 | 1 | 0.53 | 1 | 0.53 |
| 3/4 | 20 | 25 | 1.5 | 0.99 | 1.5 | 0.99 |
| 1 | 25 | 30 | 1.5 | 1.2 | 1.5 | 1.2 |
| 11/4 | 32 | 38 | 1.5 | 1.54 | 1.5 | 1.54 |
| 1 1/2 | 40 | 44.5 | 1.5 | 1.81 | 1.5 | 1.81 |
| 2 | 50 | 57 | 1.5 | 2.34 | 1.5 | 2.34 |
| 2 1/2 | 65 | 76.1 | 2 | 4.16 | 2 | 4.16 |
| 3 | 80 | 88.9 | 2 | 4.88 | 2.5 | 6.07 |
| 4 | 100 | 108 | 2.5 | 7.41 | 2.5 | 7.41 |
| 5 | 125 | 133 | 2.5 | 9.16 | 3 | 10.95 |
| 6 | 150 | 159 | 2.5 | 10.99 | 3 | 13.14 |
| 7 | 175 | 193.7 | 2.5 | 13.43 | 3.5 | 18.7 |
| 8 | 200 | 219.1 | 3 | 18.21 | 3.5 | 21.19 |
| 10 | 250 | 267 | 3 | 22.24 | 4 | 29.55 |
| 12 | 300 | 323.9 | 4 | 35.94 | 5 | 44.78 |
| 14 | 350 | 368 | 4 | 40.89 | 5.5 | 56 |
| 16 | 400 | 419.1 | 4 | 46.62 | 6 | 69.6 |
| 18 | 450 | 457.2 | 4 | 50.91 | 6 | 76.03 |
| 20 | 500 | 508 | 4.5 | 63.63 | 6.5 | 91.55 |
| 24 | 600 | 610 | 5 | 84.96 | 8 | 135.26 |
| 28 | 700 | 711 | 6 | 118.8 | 9 | 177.45 |
| 32 | 800 | 813 | 6 | 135.99 | 10 | 225.53 |
| 36 | 900 | 914 | 8 | 203.57 | 11 | 278.98 |
Typical Applications
- Marine & Offshore: Sea-water cooling, ballast, fire-water lines, and shipbuilding components.
- Desalination Plants: Intake/discharge lines and heat-transfer circuits.
- Chemical & Petrochemical: Corrosive brine handling and process piping.
- Power Generation: Condenser tubes, turbine lube-oil coolers, and cooling water headers.

We specialize in DIN 86019-compliant Copper Nickel 90/10 pipe solutions with global shipping, fast delivery, and strict quality control. Get in touch with our team for a free quote or technical datasheet.
Related Products
- ASTM B171 C70600 CuNi Blind Flange (ASME B16.5)
- ASTM B466 C70600 Seamless Tubes
- CuNi 70/30 (C71500) Pipes and Fittings
- DIN 86090 CuNi Elbow
- DIN 86088 Cuni Tee
- ASTM B151 C70600 Round Bar


