Nov 17, 2025 Leave a message

C71500 70/30 Copper Nickel Tube for Oil and Gas Industry

C71500 Copper Nickel Tubes PDF

C71500 Copper Nickel Size & Price PDF

 

What is a C71500 copper nickel tube?

The C71500 COPPER NICKEL "70/30" alloy is the corrosion resistant alloy mainly used in salt water environment. The alloy is the combination of nickle, iron and manganese that helps in maintaining good corrosion resistance and is commonly used in valves, and pump components.

 

Chemical Composition:

Cu Fe Pb Mn Ni Zn
Min/Max Rem 0.40 – 1.0 0.05 1 29.0 – 33.0 1
Nominals 69.5 0.5 30
sb 111 c71500
b111 c71500
sb111 c71500
70 30 copper nickel pipe
astm b111 c71500

Fabrication:

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

 

Physical Properties:

Product Property US Customary Metric
Coefficient of Thermal Expansion 9.0 ·10-6 per oF (68-572 F) 16.2 ·10-6 per oC (20-300 C)
Density 0.323 lb/in3 at 68 F 8.94 gm/cm3 @ 20 C
Electrical Conductivity 4 %IACS @ 68 F 0.027 MegaSiemens/cm @ 20 C
Electrical Resistivity 225.0 ohms-cmil/ft @ 68 F 37.4 microhm-cm @ 20 C
Melting Point – Liquidus 2260 F 1238 C
Melting Point – Solidus 2140 F 1171 C
Modulas of Elasticity in Tension 22000 ksi 152000 MPa
Modulus of Rigidity 8300 ksi 57230 MPa
Specific Gravity 8.94 8.94
Specific Heat Capacity 0.09 Btu/lb/oF at 68 F 377.1 J/kg · oK at 293 K
Thermal Conductivity 17.0 Btu · ft/(hr · ft2·oF)at
68F
29.4 W/m · oK at 20 C

 

Cu-Ni 70/30 Pipes & Tubes Application Industries

Petrochemical Industry

Oil and Gas Industry

Chemical Industry

Power Plant Industry

Energy Industry

Pharmaceuticals Industry

Pulp & Paper Indusry

Food Processing Industry

Aerospace Industry

Refining Industry

 

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.

20250716165456

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