UNS C70600 (Cu-Ni 90/10)
01Copper Nickel 90/10 alloy with excellent seawater corrosion resistance, biofouling resistance, and long service life.
- UNS
- C70600
- Best For
- General marine and seawater service
Material · Cu
Copper Alloy
Piping Solutions.
Copper-nickel and copper-alloy fittings & flanges for marine and process service. C70600/C71500 capability with MTCs and global export support.
EN 10204 3.1ISO 9001PEDIBR
Overview
About Nascent Fittings & Piping Inc.
Nascent Fittings & Piping Inc. is a globally recognized manufacturer, supplier, and exporter of Copper Alloy pipe fittings, forged fittings, flanges, outlets, bends, and custom piping components. We serve marine, offshore, power generation, chemical processing, water treatment, and industrial sectors worldwide.
Available Forms
Pipe FittingsForged FittingsFlangesOutletsLong Radius BendsShort Radius BendsPipe NipplesStub EndsReducersCapsTeesElbows
Copper Alloy
Precision-engineered for critical service
Specifications
Material Properties
Material Family
Copper Alloy
Corrosion Resistance
Excellent
Oxidation Resistance
Excellent
Strength
Moderate to High
Weldability
Good
Machinability
Excellent
Heat Resistance
Good
Cryogenic Service
Yes
Performance
Key Advantages
- Excellent corrosion resistance
- Outstanding thermal conductivity
- Excellent electrical conductivity
- Good biofouling resistance
- Long service life
- Excellent machinability
- Good fabrication characteristics
- Suitable for marine applications
- Low maintenance requirements
- Excellent reliability in industrial systems
Use Cases
Industries & Applications
MarineShipbuildingOffshore PlatformsHeat ExchangersCondensersPower GenerationChemical ProcessingWater TreatmentDesalinationOil & GasIndustrial ManufacturingHVAC SystemsCooling Water SystemsFire Water SystemsRenewable Energy
Why Nascent Fittings Inc.
- Global exporter serving customers in more than 50 countries
- Extensive inventory of Copper Alloy piping products
- Manufactured according to ASTM, ASME, ANSI, MSS, DIN, EN, BS, and JIS standards
- Third-party inspection support
- EN 10204 3.1 certification support
Grades
Available Grades
Specs shown for reference — confirm exact grade and standard with our technical team for your duty conditions.
UNS C71500 (Cu-Ni 70/30)
02Copper Nickel 70/30 alloy with higher nickel content providing enhanced corrosion resistance and superior strength in aggressive seawater environments.
- UNS
- C71500
- Best For
- High-velocity seawater and offshore service
UNS C71640
03Enhanced Copper Nickel alloy developed for demanding marine and offshore applications requiring superior corrosion resistance and mechanical strength.
- UNS
- C71640
- Best For
- Critical offshore and seawater applications
Product Range
Copper Alloy Products
15 product lines available in Copper Alloy
1/2" to 36"NB , ANSI/ASME B 16.9 · 10/20/40/80/100/120/160/XXS
15mm- 1500mm (1/2"- 60")
1/8 NB to 4 NB, DN6- DN100
Common diameters and cut lengths
1/2" to 80" NB, ANSI/ASME B 16.9, MSS-SP-43, MSS-SP-75, MSS-SP-97, MSS-SP-95 etc. · Sch 10/20/40/XS/60/80/100/120/140/160/XXS etc.
1/2" (15 NB) to 48" (1200NB)
Pipe Flanges Manufacturer & Exporter
1/4" NB
Long Radius Pipe Bends Manufacturer
1/2″ NB to 48″ NB (and project sizes) · Sch 5s, 10s, 20s, 40s, 80s, 160s, XXS / custom wall
1/2"NB TO 48"NB IN
Common imperial & metric tube OD ranges
as per required
OD and wall to ASTM / ASME / EN (instrument & heat-exchanger sizes)
1/2″ NB to 48″ NB (project dependent) · Sch 5s through XXS / custom
Compliance
Applicable Standards
Details are resolved from the shared standards catalog — scope, coverage and related properties for each specification.
ASTM / ASME SB61
ASTM / ASMESteam or valve bronze castings.
- Scope
- Composition and property requirements for bronze castings used under pressure.
- Applies To
- Valves, fittings and flanges in marine and industrial service
ASTM / ASME SB62
ASTM / ASMEComposition bronze or ounce metal castings.
- Scope
- Cast bronze for pressure-containing valves and fittings.
- Applies To
- Valves, fittings and flanges
ASTM B151
ASTMCopper-nickel-zinc alloy (nickel silver) and copper-nickel rod and bar.
- Scope
- Rod and bar products in copper-nickel alloys.
- Applies To
- Machined fittings, fasteners and bar stock components
ASTM B152
ASTMCopper sheet, strip, plate, and rolled bar.
- Scope
- Copper flat products for fabrication and cladding.
- Applies To
- Sheet/plate feed stock for fabricated copper components
Documentation
Certificates & Inspection
EN 10204 3.1
Mill test certificate with inspection by the manufacturer’s authorized inspection representative, independent of manufacturing.
- Type
- Inspection document (MTC)
- Scope
- States chemical analysis, mechanical test results and heat / lot identification for the supplied material.
- Documentation
- EN 10204 Type 3.1
- Benefit
- Provides traceable material evidence required on most industrial RFQs.
ISO 9001
Quality Management System certification.
- Type
- Quality Management System
- Scope
- Demonstrates a documented QMS covering process control, traceability and continual improvement across manufacturing and supply.
- Benefit
- Assures buyers of consistent product quality and controlled production practices.
- Issued As
- Third-party accredited certificate
PED
Pressure Equipment Directive compliance for equipment placed on the EU market.
- Type
- Regulatory conformity
- Scope
- Design and conformity assessment requirements for pressure equipment and assemblies in the European Union.
- Benefit
- Enables supply of pressure-rated components into EU projects when PED conformity is required.
- Related
- CE marking / Notified Body routes as applicable
IBR
Indian Boiler Regulations approval for boiler-quality piping materials and components.
- Type
- Regulatory approval
- Scope
- Materials and components intended for use under Indian boiler installations.
- Benefit
- Required for many power and process projects under IBR jurisdiction in India.
Selection Guide
Comparison Insights
Performs Better Than
- Carbon Steel for corrosion resistance
- Cast Iron for marine service
- Many standard metals in seawater environments
Considerations
- Higher cost than Carbon Steel
- Lower mechanical strength than Duplex Steel and Nickel Alloys
FAQ
Frequently Asked Questions
Need Copper Alloy components?
Share your specifications and our team will respond with grades, lead times and a tailored quote.