Sep 17, 2025 Leave a message

ASTM B111 C71500 Copper Alloy Steel Seamless Tube ,Offshore Oil Recovery Platforms

C71500 is an alloy of copper and nickel, due to Ni unlimited solid solution in Cu, so C71500 has a single α-phase organization. C71500 alloy not only has good overall mechanical properties, but also due to the thermal conductivity close to carbon steel and become easy to weld, no preheating before welding, no need for heat treatment after welding.

C71500 for 70Cu-30Ni alloy, the main component for Cu, Ni, with a small amount of Mn and Fe, can better prevent corrosion of seawater, limit the impurity elements Zn, C, Pb, S, P and so on can improve the rate of thermoelectricity and weldability.

It has good corrosion resistance, high-temperature pressure resistance and thermal conductivity.C71500 copper alloy tube is suitable for a wide range of applications, including marine engineering, refrigeration and air conditioning systems, the chemical industry, and the oil and gas industry. It can withstand high temperatures, pressures and corrosion in harsh environments and ensure the e operation of equipment and piping.C71500 copper alloy tubing is a reliable material choice for a wide range of industrial applications.

 

ASTM B111 C71500 Chemical Composition

ElementContent (%)
Copper, Cu70.0
Nickel, Ni30.0

 

ASTM B111 C71500 Mechanical Properties

PropertiesMetricImperial
Tensile strength, ultimate372-517 MPa54000-75000 psi
Tensile strength, yield (depending on temper)88.0-483 MPa12800-70100 psi
Elongation at break (in 381 mm)45.0%45.0%
Charpy impact107 J78.9 ft-lb
Machinability (UNS C36000 (free-cutting brass) = 100%)20%20%
Shear modulus57.0 GPa8270 ksi
Poisson's ratio0.340.34
Elastic modulus150 GPa21800 ksi

 

Physical properties of ASTM B111 C71500

PropertiesMetricImperial
Density8.94 g/cm30.323 lb/in3
Melting point2140°F1171°C
Copper Nickel Tube
CuNi Tube
CuNi 90/10 Tube
Straight Copper Tube

Characteristic of ASTM B111 C71500

Excellent insulation performance
Elegant design
Super strength
Corrosion resistant
Durability

 

Application

Hydraulic lines

Fish cages for aquaculture

Heat exchangers and condensers

Desalination units

Sea water pipework

Tubes for power plants and ships

Offshore fire water systems

Pumps, valves, sheathing and fittings for ship hulls

Desalination units

 

Copper products that GNEE can provide

copper pipe

Product NameCopper Pipe
StandardASTM,JIS,DIN,GB,AISI,DIN,EN
MaterialT1, T2, T3, C21000, C22000, C22600, C23000, C24000, C26000, C26130, C26800, C27000, C27200, C46500, C51000, C52100, C53400, C61300, C61400, C63000, C63800, C65100, C65500, H63, H65, H68, H70, H80, H85, H90, H96.
Purity99.9%
TechniqueCold drawn, hot rolled, cold rolled and others.
Side shapeRound, Square, Rectangular, ect
Outer Diameter6.35-406mm or Customizable
Thickness0.5-80mm or Customizable
Length1-12m or Customizable
Surface TreatmentCoating, Oxidation, Coating, Polishing, etc.
TypeSeamless, Welded
OriginChina
Delivery Time7-15 days, depending on the situation and quantity
Price TermsEXW, FOB, CIF, CRF, CNF or others
Loading PortAny port in China
Payment TermTT, LC,Cash, Paypal, DP, DA,Western Union or Others.
Application1. Construction industry2. Mechanical production, energy extraction3. Home appliance industry, refrigeration industry, transportation industry, home decoration and bathroom4. Communication technology, infrastructure, municipal pipeline network, etc.
PackagingBundle, PVC Bag, Nylon Belt, Cable Tie, Standard export seaworthy package or as Reque
Processing ServicBending, Welding, Decoiling, Punching, Cutting and Others
Tolerance±1%

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copper rod/bar

Standard

ASTMB152,B187,B133,B301,B196,B441,B465,JISH3250-2006,
GB/T4423-2007,etc

Material

C10100,C10200,C10300,C10400,C10500,C10700,C10800,C10910,C10920,
C10930,C11000,C11300,C11400,C11500,C11600,C12000,C12200,C12300,
C12500,C14200,C14420,C14500,C14510,C14520,C14530,C17200,C19200,
C21000,C23000,C26000,C27000,C27400,C28000,C33000,C33200,C37000,
C44300,C44400,C44500,C60800,C63020,C65500,C68700,C70400,C70620,
C71000,C71500,C71520,C71640,C72200,etc

Diameter

3mm~800mm

Length

1.0m 5.8m,6m,or as required

Export to

Singapore,India,Poland,Indonesia,Ukraine,Spain,Korea,Thailand,Canada,USA,
Ireland,Saudi Arabia,Viet Nam,England,Egypt,Oman,etc

Container Size

20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)
40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)
40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High)

Price Term

Ex-work, FOB, CFR, CIF, etc.

Application

Copper bar is widely used in boat building,War industry, Car industry and communication
industry where the components need good wear proof and great corrosion resistance

Package

Standard export seaworthy package,suit for all kinds of transport,or as required.

Contact

If you have any question,please feel free to contact me.

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copper plate/sheet/strip

Product name

Copper Strip / Copper tape / Copper sheets coil

Shape

strip,tape,band,coil,roll

Standard

ASTM, ISO, JIS, DIN, GB, EN

Grade

ASTM:C10100,C10200,C10300,C10400,C10500,C10700,C10800,C10910,C10920,
C10930,C11000,C11300,C11400,C11500,C11600,C12000,C12200,C12300,
C12500,C14200,C14420,C14500,C14510,C14520,C14530,C15100 c15500 C17200,C19200,C21000,C23000,C26000,C27000,C27400,C28000,C33000,
C33200,C37000,C44300,C44400,C44500,C51910 C60800,C63020,C65500,
C68700,C70400,C70620,C71000,C71500,C71520,C71640,C72200,etc

MOQ

300KG

Temper

1/4 hard,1/2hard,full hard,soft,etc

Surface

Mill finish, polished, anodizing, brushing, sand blasting, powder coating,etc

Payment terms

T/T,L/C,western union, Paypal

Price terms

CIF,CFR,FOB,CIF,EXW,CNF

Width

0.1-1500mm or customized

Thickness

0.1-50mm or customized

Package

Standard export seaworthy package or as required.

Delivery time

About 7~10 working days after deposit received

Application

1)Further making utensil.
2)Solar reflective film
3)The appearance of the building
4)Interior decorating:ceilings,walls,etc.
5)Furniture cabinets
6)Elevator decoraction
7)Signs,nameplate,bags making.
8)Decorated inside and outside the car
9)Household appliances:refrigerators,microwave ovens,audio equipment,etc.
10)The consumer electronics:mobile phones,digital cameras,MP3,U disk,etc.

Get product catalog

 

copper wire

Product Name

Copper Wire

Type

Insulated

Payment term

TT/Trade Insurance/Credit card

Delivery time

7-30days( Depend on the quantity)

Shipping terms

FOB CIF DDP EXW

Thermal Class

130/155/180/200/220 C

Diameter

0.04mm-6.0mm

Enameled Type

Polyester/Polyurethane/Polyesterimide/Polyamide-imide

Application

Motor Transformer Fan Speaker

Conductor content

99%

Get product catalog

 

Copper CNC machined parts

Product Name

Copper Wire

Type

Insulated

Payment term

TT/Trade Insurance/Credit card

Delivery time

7-30days( Depend on the quantity)

Shipping terms

FOB CIF DDP EXW

Thermal Class

130/155/180/200/220 C

Diameter

0.04mm-6.0mm

Enameled Type

Polyester/Polyurethane/Polyesterimide/Polyamide-imide

Application

Motor Transformer Fan Speaker

Conductor content

99%

Get product catalog

 

4242
 
 

About Us

Founded in 2008, we specialize in exporting premium copper products. Our manufacturing leverages continuous casting lines and precision drawing machines. Rigorous quality control, including eddy current testing and spectrometer analysis, guarantees the superior performance of our copper tubes and coils for global applications.

 

If you need any help, please contact us immediately!
Email address:sales@gneemetal.com

 
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200+

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Cooperating Partner

 
18+

Years Experience

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