Nov 17, 2025 Leave a message

ASTM B111 C71500 70/30 Copper Nickel Alloy Seamless Condenser Tubes

C71500 Copper Nickel Tubes PDF

C71500 Copper Nickel Size & Price PDF

 

What is a C71500 copper nickel tube?

C71500 70/30 Copper-Nickel (also known as CuproNickel) is an alloy with 70% Copper and 30% Nickel. GNEE carries C71500 70/30 alloy in Sheet, Plate, Bar, Pipe, Tube, Fittings, and Flanges.

 

Chemical composition of 70/30 Copper-Nickel Pipe

ASTM B111 C70600 C71500
Chemical composition
(%)
Copper (Remainder) Nominal 90% Nominal 70%
Nickel (Ni) 9.0~11.0% 29~33%
Lead (Pb) 0.05% max 0.05% max
Iron (Fe) 1.0~1.8 0.40~1.0
Zinc (Zn) 1.0% max 1.0% max
Manganese (Mn) 1.0% max 1.0% max
Tensile strength
(MPa)
As hot rolled 275~425 310~450
1/4 Hard 350~460 400~495
1/2 Hard 400~495 455~550
Hard 490~570 515~605
Extra Hard 505~585 550~635
Spring 540~605 580~650

 

sb 111 c71500
b111 c71500
sb111 c71500
70 30 copper nickel pipe
astm b111 c71500

C715 Fabrication Properties

Joining Technique Suitability  
Soldering Excellent  
Brazing Excellent  
Oxyacetylene Welding Good  
Gas Shielded Arc Welding Excellent  
Coated Metal Arc Welding Excellent  
Spot Weld Excellent  
Seam Weld Excellent  
Butt Weld Excellent  
Capacity for Being Cold Worked Good  
Capacity for Being Hot Formed Good  
Machinability Rating 20  
Joining Technique Suitability

 

Related ASTM Specification

ASTM B111 : Copper and Copper Alloy Seamless Condenser Tubes and Ferrule Stock
ASTM B122 : Copper-Nickel Alloy Plate, Sheet, Strip and Rolled Bar
ASTM B151 : Copper-Nickel Alloy Rod Bar
ASTM B171 : Copper-Alloy Plate and Sheet for Pressure Vessels, Condensers, and Heat Exchangers
ASTM B466 : Seamless Copper-Nickel Pipe and Tube.

 

Uses & Applications for C71500 Copper Nickel Pipe and Tube:

C71500 70/30 alloy is widely used in marine applications due to its excellent resistance to seawater corrosion and stress corrosion cracking.

C71500 70/30 is used primarily in valves, pump components, fittings, flanges and various other marine hardware components.

The alloy is also found uses in high temperature and pressure applications.

 

Our spot inventory

ASME SB111 C71500

C71500 seamless condenser tube

C71500 welded copper nickel pipe

ASTM B111 C71500

ASTM B466 C71500 pipe

C71500 cupronickel boiler tube

70/30 copper nickel pipe

C71500 heat exchanger tube

C71500 welded copper nickel pipe

SB111 UNS C71500

70/30 cupronickel condenser tube

ASTM B111 C71500 heat exchanger tube

C71500 copper nickel pipe

ASTM B111 C71500 heat exchanger tube

ASME SB111 C71500 copper nickel pipe

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About us

Gnee is a premier manufacturer and international supplier of comprehensive copper and copper alloy products, committed to delivering excellence in copper tubes, copper sheets, copper plates, copper bars, copper rods, copper wires, and copper strips.

 

Our Extensive Product Portfolio & Specifications:

Copper Tubes & Pipes:
We supply a full range including **Capillary Tubes, Thin-Walled Copper Tubes, Thick-Walled Copper Tubes, Round Pipes, Square Pipes, Rectangular Pipes, Welded Pipes, Seamless Pipes, Heat Exchanger Tubes, and Condenser Tubes.

 

Copper Sheets, Plates:
Our flat-rolled products cover Copper Foils, Thin Sheets, Thick Plates, and Circles (Round Plates) in various tempers (O, H) for diverse applications.

 

Copper Bars, Rods & Profiles:
We offer Round Bars, Square Bars, Hexagonal Bars, and Flat Bars with excellent machinability and strength.

 

Copper Wires & Strips:
Our lineup includes high-conductivity Bare Copper Wires, Stranded Wires, and precisely manufactured Copper Strips.

 

Common Alloys & International Standards:

We master a wide array of materials compliant with ASTM, EN, JIS, and GB standards:

Pure Copper: C11000 (ETP Copper), C10200 (Oxygen-Free Copper), C12000 (DLP)

Brass Alloys: C26000 (Cartridge Brass), C27200 (Brass), C28000 (Muntz Metal)

Copper-Nickel: C70600 (CuNi90/10), C71500 (CuNi70/30)

Phosphor Bronze: C51900, C52100, C54400

Serving industries from HVAC/R and plumbing to electrical, automotive, and marine engineering, Gnee provides OEM support, competitive pricing, and reliable bulk supply for your global projects.

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