Information
Trusted Copper Nickel 70/30 Plate Manufacturer, Supplier, Stockist & Exporter — delivering C71500 Sheet, Plate, Coil, Strip & Shim Sheet conforming to ASTM B171, ASTM B122, ASME SB171, ASME SB122, and DIN 2.0882 standards worldwide.
CuNi 70/30 Sheet | CuNi 70/30 Plate | ASTM B171 | ASTM B122 | ASME SB171 | ASME SB122 | DIN 2.0882 | UNS C71500 | Copper Nickel 70/30 Strip | Copper Nickel 70/30 Coil
Certified Standards
ASTM B171
ASTM B122
ASME SB171
ASME SB122
DIN 2.0882
UNS C71500
WNR 2.0882
MIL-C-15726
NES 780
About Our Copper Nickel 70/30 Sheet & Plate
Lakshya Steel is a leading Copper Nickel 70/30 Plate Manufacturer, Supplier, Stockist, and Exporter of Copper Nickel 70/30 Sheet, Copper Nickel 70/30 Plate, Coil, Strip, Shim Sheet, and Foil, also known as Cupro Nickel 70/30 Plate, CuNi 70/30 Sheet, Cu Ni 70/30 Plate, and Copper Nickel Alloy 70/30 Sheet across various global standards.
The alloy contains 70% copper and 30% nickel with controlled additions of manganese and iron, delivering exceptional resistance to seawater corrosion, biofouling, and stress corrosion cracking. These properties make UNS C71500 Sheet and UNS C71500 Plate the material of choice for offshore, marine, and heat exchanger applications where long service life is essential.
As a reliable Copper Nickel 70/30 Sheet Supplier and Copper Nickel 70/30 Plate Exporter, we manufacture to ASTM B171, ASTM B122, ASME SB171, ASME SB122, and DIN 2.0882 specifications. All our Copper Nickel products are supplied with EN 10204 3.1 / 3.2 mill test certificates, PMI test reports, and third-party inspection documentation.
|
70 / 30 Cu / Ni Ratio |
8.95 g/cm³ Density |
|
517 MPa Max Tensile Strength |
1240 °C Max Melting Point |
Available Forms of CuNi 70/30 Flat Products
As a trusted Copper Nickel 70/30 Sheet Manufacturer and Copper Nickel 70/30 Plate Stockist, Lakshya Steel supplies the following forms. All are available in standard and custom sizes with full certifications.
Copper Nickel 70/30 Sheet, Plate Specifications :
It is available in thicknesses from 0.4 mm to 40 mm and conforms to ASTM B122 and ASME SB122 specifications.
It conforms to ASTM B171 and ASME SB171 standards.
Manufactured to ASTM B122 and ASME SB122 standards.
Available in annealed, cold-rolled, and as-rolled condition.,/span>
Copper Nickel 70/30 Sheet & Plate Thickness — Size Chart
The following size ranges cover our standard stock of Copper Nickel 70/30 Sheet Thickness and Copper Nickel 70/30 Plate Thickness options. Custom sizes are manufactured on request.
Width: 100 – 2400 mm
Length: 2000 – 3000 mm
Standard: DIN 2.0882 / UNS C71500
Width: 800 – 2000 mm
Length: 3000 – 12000 mm
Standard: ASTM B171 / ASME SB171
Width: 400 – 2000 mm
Temper: Soft / Hard / Half
Standard: ASTM B122
Width: 4 – 300 mm
Edges: Slit / Square / Round
Standard: DIN 2.0882 / UNS C71500
| Size (mm) | Material | Specification | Thickness | Origin |
| 1250 × 2500 | Copper Nickel 70/30 Plate / Sheet / Coil | ASTM B171, B122 / ASME SB171, SB122 | 0.1 mm – 12 mm | Indian / European / Japanese |
| 1000 × 2000 | Cu Ni 70/30 Flat Products | UNS C71500 / DIN 2.0882 | 0.1 mm – 12 mm | Indian / European / Japanese |
| 1220 × 2440 (4′ × 8′) | CuNi 70/30 Sheet / Plate | ASTM B122 / ASME SB122 | 0.1 mm – 12 mm | Korean / American |
| 1500 × 3000 | Cupro Nickel 70/30 Plate | ASTM B171 / ASME SB171 | 0.1 mm – 12 mm | Indian / European |
| 2000 × 2000 | C71500 Hot Rolled Plate | WNR 2.0882 | 0.1 mm – 12 mm | European |
| 2000 × 4000 | Copper Nickel 70 30 Plate | DIN 2.0882 / ASTM B171 | 0.1 mm – 12 mm | Indian / Japanese |
ASTM B171 / B122 · ASME SB171 / SB122 — Full Specifications
Complete supply specification for ASTM B171 Copper Nickel 70/30 Plate, ASTM B171 Copper Nickel 70/30 Sheet, ASME SB171 Copper Nickel 70/30 Plate, and ASME SB171 Copper Nickel 70/30 Sheet.
|
Parameter |
Detail |
|
Specification |
ASTM B171, B122 / ASME SB171, SB122 |
|
Standard |
ASTM, ASME, MIL-C-15726, NES 780 |
|
Equivalent Grades |
UNS C71500 · WNR 2.0882 · DIN 2.0882 · Cunifer 70/30 · Alloy 715 · CDA 715 |
|
Sheet Thickness |
0.02 mm to 4.0 mm |
|
Plate Thickness |
4.5 mm to 100 mm (up to 6″) |
|
Strip Thickness |
0.3 mm to 10.0 mm |
|
Foil Gauge |
Min: 0.005 mm / Max: 0.150 mm |
|
Width |
900 mm to 2400 mm |
|
Length |
3000 mm to 12000 mm (custom lengths on request) |
|
Coil Thickness |
2.5 mm to 10.0 mm |
|
Coil Width |
610 mm to 2000 mm |
|
Technique |
Hot Rolled, Cold Rolled, Forged |
|
Hardness / Temper |
Soft, Quarter Hard, Half Hard, Hard |
|
Edge Finish |
Slit, Square, Round, Rolled |
|
Welding Methods |
GTAW, GMAW, PLASMA, SAW |
|
Cutting Methods |
Waterjet, Plasma, Laser, Oxy-Propane |
|
Services |
Slitting, Blanking, Bending, Polishing, Edging, Deburring, Grinding |
|
Test Reports |
Mill TC (EN 10204 3.1 / 3.2), PMI, Chemical, Mechanical, NABL, TPI, UT, Radiography |
|
Packing |
Wooden Boxes, Plastic Bags, Steel Strip Bundled, or as per Customer Request |
|
Origin |
Indian, Korean, Japanese, European, American |
|
Trade Names |
Cunifer 70/30, Alloy 715, CuNi 70/30, CDA 715, NES 780 |
Surface Finishes & Processing Options
Our Copper Nickel 70/30 Sheet and Copper Nickel 70/30 Plate are available in a full range of surface finishes and can be processed to your exact project requirements including cut-to-size DIN 2.0882 Sheet and C71500 Plate forms.
Copper Nickel 70/30 Sheet, Plate Specifications :
| Specifications | : | ASTM / ASME SB 122 |
| Size | : | 1000 mm x 2000 mm, 1220 mm x 2440 mm, 1500 mm x 3000 mm, 2000 mm x 2000 mm, 2000 mm x 4000 mm |
| Thickness | : | 0.1mm to 12 mm Thk |
| Form | : | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Strip, Flats, Blank (Circle), Ring (Flange) |
| Finish | : | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Hardness | : | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
Chemical Composition & Mechanical Properties
Chemical Composition — Cu-Ni 70/30 (UNS C71500 / DIN 2.0882)
Chemical Composition (% by Weight) — ASTM B171 / ASTM B122 / DIN 2.0882
|
Grade |
Cu |
Ni |
Fe |
Mn |
Pb |
Zn |
|
Cu-Ni 70/30 (C71500 / 2.0882) |
65.0 min |
29–33 |
0.4–1.0 |
1 max |
0.05 max |
1 max |
Mechanical Properties — Cupro Nickel 70/30 Sheet & Plate
|
Property |
Metric Value |
Imperial Value / Notes |
|
Tensile Strength (Ultimate) |
372–517 MPa |
54,000–75,000 psi |
|
Yield Strength |
88–483 MPa |
Depending on temper |
|
Elongation at Break |
45% (min) |
ASTM B171 Requirement |
|
Hardness |
51 HRB |
Rockwell B Scale |
|
Modulus of Elasticity |
152 GPa |
22,000 ksi |
|
Modulus of Rigidity |
56 GPa |
8,120 ksi |
Physical Properties — Cu Ni 70 30 Sheet / Plate
Physical Properties — CuNi 70/30 (UNS C71500 / DIN 2.0882)
|
Property |
Metric |
Imperial / Notes |
|
Density |
8.95 kg/dm³ |
0.323 lb/in³ |
|
Melting Range |
1170–1240 °C |
2138–2264 °F |
|
Temperature Range (service) |
927–1038 °C |
1700–1900 °F |
|
Thermal Conductivity |
29 W/m·°K |
at 20°C |
|
Coefficient of Thermal Expansion |
16 × 10⁻⁶ /°K |
10–300°C range |
|
Specific Heat |
377 J/kg·°K |
— |
|
Electrical Resistivity |
34 µΩ·cm |
— |
Equivalent Grades — Copper Nickel 70/30 Plate & Sheet
Equivalent Material Standard — C71500 Sheet / 2.0882 Plate
|
Standard Body |
Designation |
|
ASTM (Sheet / Plate) |
B122, B171 |
|
ASME (Sheet / Plate) |
SB122, SB171 |
|
UNS |
C71500 |
|
DIN / WNR |
2.0882 |
|
Trade Names |
Cunifer 70/30 · Alloy 715 · CDA 715 · NES 780 |
Industries Using Copper Nickel 70/30 Sheet & Plate
Our Copper Nickel 70/30 Plate, Cupro Nickel 70/30 Sheet, and CuNi 70/30 Strip are trusted across a wide range of industries requiring corrosion resistance, biofouling resistance, and thermal stability in aggressive environments.
- Marine & Shipbuilding
- Offshore Oil & Gas
- Desalination (MED Plants)
- Power Generation
- Heat Exchangers
- Chemical Processing
- Pump Bodies & Parts
- Propeller Sleeves
- Petrochemical
- Seawater Cooling
Get the Best Price for your Grade
|
Grade |
Product Type |
Price |
|
CN 90/10 |
Welded Pipes |
On Request / MT |
|
CN 90/10 |
Plates / Sheets |
On Request / MT |
|
CN 70/30 |
Pipes |
On Request / MT |
|
CN 70/30 |
Plates & Sheets |
On Request / MT |
|
CN 70/30 |
Flanges |
On Request / MT |
|
CN 70/30 |
Rods & Bars |
On Request / MT |
|
CN 70/30 |
Tubes |
On Request / MT |
* Prices vary by quantity, specification & delivery terms. Contact us for bulk pricing.
Frequently Asked Questions
What is the difference between Copper Nickel 70/30 Sheet and Plate?
The main difference lies in thickness. A Copper Nickel 70/30 Sheet (also called CuNi 70/30 Sheet) typically has a thickness of 0.02 mm to 4.0 mm and conforms to ASTM B122 / ASME SB122. A Copper Nickel 70/30 Plate starts from 4.5 mm thickness and goes up to 100 mm (up to 6″), conforming to ASTM B171 / ASME SB171. Both are supplied in UNS C71500 and DIN 2.0882 grade.
What standards apply to Copper Nickel 70/30 Plates and Sheets?
ASTM B171 and ASME SB171 govern copper alloy plates for pressure vessels and heat exchangers. ASTM B122 and ASME SB122 cover copper-nickel sheets, strips, and rolled bar. All products are designated UNS C71500 (North American standard) or DIN 2.0882 / WNR 2.0882 (European standard), also trademarked as Cunifer 70/30 and Alloy 715.
What is Copper Nickel 70/30 Strip used for?
Copper Nickel 70/30 Strip and CuNi 70/30 Strip are used in heat exchanger fins, marine connector components, sealing systems, and flexible tubing applications. Their superior corrosion resistance in seawater environments makes them ideal for offshore and coastal installations. Strips are available slit from master coils in custom widths from 4 mm to 3000 mm.
What is the available Copper Nickel 70/30 Plate Thickness range?
Our standard Copper Nickel 70/30 Plate Thickness range is 4.5 mm to 100 mm (up to 6″). Copper Nickel 70/30 Sheet Thickness begins at 0.02 mm and goes up to 4.0 mm. For ultra-thin applications, Copper Nickel 70/30 Shim Sheet is available down to 0.005 mm gauge. All thickness ranges are available in UNS C71500 and DIN 2.0882 material grade.
Do you export Copper Nickel 70/30 Sheet and Plate internationally?
Yes. As a leading Copper Nickel 70/30 Sheet Exporter and Copper Nickel 70/30 Plate Exporter based in India, Lakshya Steel ships globally to the Middle East, Southeast Asia, Europe, Africa, and North America. As a trusted Copper Nickel 70/30 Sheet Stockist and Copper Nickel 70/30 Plate Stockist, we maintain ready stock in standard sizes with short lead times and full export documentation including EN 10204 3.1 / 3.2 mill test certificates for all ASTM B171 and ASTM B122 Copper Nickel 70/30 flat products.
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Request a Quote For
CuNi 70/30 Sheet & Plate
As a trusted Copper Nickel 70/30 Plate Manufacturer, Supplier, Stockist & Exporter, we offer competitive pricing, ready stock, full certifications, and global delivery for all ASTM B171, ASTM B122, ASME SB171, ASME SB122, and DIN 2.0882 Copper Nickel 70/30 Sheet, Plate, Coil, Strip, and Shim Sheet.
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As a trusted Copper Nickel 70/30 Tube Manufacturer, Supplier & Exporter, we offer
competitive pricing, ready stock, full EN 10204 3.1 / 3.2 certification, 100% ECT & hydrostatic
testing, and global delivery for all ASTM B111, ASTM B466, ASTM B543, ASME SB111 Copper Nickel
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