We Piyush Steel is fully engaged in manufacturing, exporting and supplying the excellent quality of Copper Nickel 70/30 (C71500) Tubes to our global buyers. These tubes are having the greatest resistance to stress corrosion cracking ability. All our offered ranges of tubes are manufactured by using the superior quality of alloy only. We are providing these tubes to domestic and international clientele at seamless and welded conditions and as per the demands of our buyers. These tubes are today used in many industrial applications like cement industry, petrochemical plants, etc. To our buyers, we are providing the tubes at specifications that vary in standards, outer diameter, wall thickness, forms, ends, length, etc.
Table Of Content
Alloy details-
Copper Nickel 70/30 is the alloy that is having 30% of copper and 70% of nickel alloy along with the addition of other alloying elements like manganese and iron. The addition of those elements has made it resistant to erosion and corrosion and with little bit improved strength, making the alloy high in demand for use in many industrial applications. The corrosion resistant of the alloy is notably improved into the high-velocity water and in the polluted water.70/30 alloy is readily cold worked, welded and fabricated without considering any special metals.
General properties of tubes-
• Excellent resistance to pitting and corrosion art marine atmosphere
• Good toughness and high tensile strength
• Biofouling resistance
• Weldable and fabricable readily
• Long-lastingness
• Anti-corrosive body
• Reliable and flexible to use
• Withstand high temperature
• Withstand heavy loads
The manufacturing process in details-
At our well-equipped manufacturing unit, the production of Copper Nickel 70/30 (C71500) Tubes is done with the fullest perfection using high quality of alloy. The alloy that we are using is well tested and approved to be used for product development. The effective use of available latest technology as well as modern machinery has helped the manufacturers in making the superior quality of tubes. These tubes are designed in such a way that it can easily be used at any industrial applications.
The manufacturing of the tubes is done under the tight supervision of the professional experts that are having very good skills and knowledge of product development. They supervise all the workers at all level of product development so that error-free quality of the product is developed. Whole ranges of tubes that we are providing are developed by keeping in mind raw material quality standards and product quality standards.
Test certifications and documents offered-
We as a reliable dealer are providing the essential test certifications and documents to assure that no poor quality of supplying and exporting is done.
TC offered is like-
MTC as per EN 10204, radiography test report, third-party inspection report and buyers report.
Documents offered are-
Raw material certificate, material traceability report, fumigation certificate, commercial invoice, packaging list, guarantee letter, NABL approved lab test report.
Product testing conducted-
There are several tests that we are conducting in order to check the quality of Copper Nickel 70/30 (C71500) Tubes so that no poor quality of tubes are delivered. The tests that we are performing are listed below-
• Positive material identification test
• Hardness test
• Pitting resistance test
• Macro test
• Micro test
• Flattening test
• flaring test
• Chemical test
• Mechanical test
• Intergranular corrosion test
Packaging-
During the time of shipping of Copper Nickel 70/30 (C71500) Tubes, proper packaging is done as the product has to pass through various channels. Thus the chances of getting damages become quite high. The packaging is this done using wooden cases and in bundles and as per clients wants for safer shipping only..
| STANDARD | WERKSTOFF NR. | UNS |
| Copper Nickel 70/30 | 2.0882 | C71500 |
Tube Specification : ASTM B552, B466 / ASME SB552, SB466
Dimensions : ASTM, ASME and API
Seamless Tubes Size : 3.35 mm OD To 101.6 mm OD, 15 NB to 150 NB IN
Welded Tubes Size : 6.35 mm OD To 152 mm OD.
Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type : Seamless / ERW / Welded / Round Tubes
Form : Round Tube, Square Tube, Rectangular Tube
Wall thickness : 0.020" –0.220", (special wall thicknesses available)
Length : Single Random, Double Random & Required Length
End : Plain End, Beveled End, Treaded
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cu-Ni 70-30 | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Copper Nickel 70-30 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
The full identification of the tube should be continuously marked down its whole length, including :

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With Mill And Third Party Test Certificate.
Copper Nickel 70/30 Tubes Price List
Request the latest Copper Nickel 70/30 Tubes Price List. Please Call +91 22 23867540 or Send an Email to [email protected] for Cu-Ni UNS C71500, 2.0882 Tubing Ready stock information and updated price list.