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C71500 Copper Nickel 70/30

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C71500 Copper Nickel 70/30 (CDA 715)

Standards: ASTM B-151, ASTM B-122, DIN 2.0882

C27000 Yellow Brass 65% Manufacturer and SupplierC71500 Copper Nickel (70/30) is a highly durable and versatile alloy known for its excellent resistance to seawater corrosion, making it a preferred choice for marine and offshore industries. With a composition of 70% copper and 30% nickel, this alloy exhibits superior mechanical properties, including high tensile strength and excellent weldability. Sunflex Metal Industries provides premium-grade C71500 Copper Nickel that is widely used for heat exchangers, condensers, and piping systems. Its unique combination of strength and corrosion resistance ensures long-lasting performance even in the harshest marine environments.

Sunflex Metal Industries is a trusted supplier and exporter of C71500 Copper Nickel (70/30), serving clients across various sectors, including shipbuilding, power generation, and desalination plants. Our products are manufactured to meet industry standards, ensuring reliability and durability. Whether for large-scale industrial projects or smaller custom applications, we deliver high-quality materials that perform efficiently. For more information or to place an order, please email us at sales@sunflexfittings.com.

C71500 Copper Nickel 70/30 Typical Uses:

  • Marine Applications: Used extensively in shipbuilding for components like piping systems, heat exchangers, and seawater-cooled systems due to its excellent resistance to seawater corrosion.
  • Power Generation: Ideal for condenser tubes and heat exchangers in power plants, ensuring efficient heat transfer and longevity in challenging environments.
  • Desalination Plants: Commonly employed in reverse osmosis systems and desalination processes where corrosion resistance and durability are essential.
  • Oil and Gas Industry: Utilized in offshore oil rigs and related infrastructure where exposure to harsh marine conditions is prevalent.
  • Chemical Processing: Used in the fabrication of chemical equipment that requires high strength and resistance to corrosive substances.
  • Automotive Components: Found in certain automotive applications where good corrosion resistance and mechanical properties are required.
  • Military and Defense: Used in naval vessels and other defense-related applications due to its reliability and performance in demanding conditions.
  • Heat Exchangers: Widely used in various industries for heat exchange systems due to its thermal conductivity and resistance to scale buildup.

C71500 Copper Nickel 70/30 Specifications

End ProductSpecification
BarASTM B122, B151, MILITARY MIL-C-15726, SAE J461, J463
BoltsASTM F468
Electrode, WeldingAWS A5.6, MILITARY MIL-E-22200/4
NutsASTM F467
Pipe, SeamlessASME SB466, ASTM B466
Pipe, WeldedASTM B608, B467
PlateASTM B122, MILITARY MIL-C-15726, SAE J461, J463
Plate, CladASTM B432
Plate, Condenser TubeASME SB171, ASTM B171, SAE J463, J461
RodASTM B151, MILITARY MIL-C-15726
ScrewsASTM F468
SheetASTM B122, MILITARY MIL-C-15726, SAE J463, J461
StripASTM B122, MILITARY MIL-C-15726, SAE J461, J463
StudsASTM F468
Tube, CondenserASME SB111, ASTM B552, B111, MILITARY MIL-T-15005, SAE J463, J461
Tube, FinnedASME SB359, ASTM B359, MILITARY MIL-T-22214
Tube, SeamlessASME SB466, ASTM B466, MILITARY MIL-T-16420
Tube, U-BendASME SB395, ASTM B395
Tube, WeldedASME SB543, ASTM B543
WireMILITARY MIL-C-15726

Copper Nickel 70/30 Tube/Pipe Equivalent Grades:

KS D5301

JIS H3300

C7150T
ASTM B111C71500
ASTM B466C71500
BS2871 {PART2}CN107
AS1752C71500
DIN17664CuNi30Mn1FE
DIN 86019 WL2.1972
EEMUA 144
MIL-T-16420K771506
EN12449CW354H

Sizes Available

SOLID BAR:1/4″ – 12″ diameter
PLATE:up to 6″ thick

Chemical Composition

CuFePbMnNiZn
Min/MaxRem0.40 – 1.00.05129.0 – 33.01
Nominals69.50000.500030.0000

Physical Properties

Product PropertyUS Customary Metric
Coefficient of Thermal Expansion9.0 . 10-6 per oF (68-572 F)16.2 . 10-6 per oC (20-300 C)
Density0.323 lb/in3 at 68 F8.94 gm/cm3 @ 20 C
Electrical Conductivity4 %IACS @ 68 F0.027 MegaSiemens/cm @ 20 C
Electrical Resistivity225.0 ohms-cmil/ft @ 68 F37.4 microhm-cm @ 20 C
Melting Point – Liquidus2260 F1238 C
Melting Point – Solidus2140 F1171 C
Modulas of Elasticity in Tension22000 ksi152000 MPa
Modulus of Rigidity8300 ksi57230 MPa
Specific Gravity8.948.94
Specific Heat Capacity0.09 Btu/lb/oF at 68 F377.1 J/kg . oK at 293 K
Thermal Conductivity17.0 Btu . ft/(hr . ft2 . oF)at 68F29.4 W/m . oK at 20 C

Mechanical Properties

Temper Sect. Size Cold Work Type MinTempTensile Strength YS
0.05% UL
YS
0.02% Offset
YS
0.005% Offset
Elong. RH
B
RH
C
RH
F
RH
30T
VH
500
BH
500
BH
3000
Shear
Strgth
Fatigue
Strgth
Izod
Impact
Strgth
in.%Fksiksiksiksi%BCF30T5005003000ksiksift-lb
mm.CMPaMPaMPaMPaMPaMPaJ
Flat Products
201685520
2025.40TYP2037913845350
Rod
H021687570
H0225.420TYP2051748315800
Tube
OS03506854
OS03500TYP203724536770
OS0250686025
OS02500TYP204141724545800

Fabrication

Joining TechniqueSuitability
BrazingExcellent
Butt WeldExcellent
Capacity for Being Cold WorkedGood
Capacity for Being Hot FormedGood
Coated Metal Arc WeldingExcellent
Gas Shielded Arc WeldingExcellent
Machinability Rating20
Oxyacetylene WeldingGood
Seam WeldExcellent
SolderingExcellent
Spot WeldExcellent

Applications & Industries where our C71500 Copper Nickel 70/30 are used

Applications & Industries

Sunflex Metal Industries is a prominent supplier and exporter of C71500 Copper Nickel 70/30, widely used in marine applications, power generation, desalination plants, oil and gas industry, chemical processing, automotive components, military and defense, and heat exchangers.

Prominent Countries Where We Export C71500 Copper Nickel 70/30

Exporting C71500 Copper Nickel 70/30 to Singapore, Malaysia, Hongkong, Thailand, Indonesia, Taiwan. Other countries includes Australia, Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Canada, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy,  Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Mexico, Malta, Moldova, Monaco, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia,  South Korea, South Africa, Sri Lanka, Syria,  Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United States, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen

Send your requirement today. We respond to all enquiries within 4-5 business hours. You can email us your requirement on sales@sunflexfittings.com

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