70/30 CuNi Reducing Tee Butt Welding Fittings ASME B16.5 Class150 Forged Offshore

Place of Origin Shanghai,China
Brand Name TOBO
Certification ISO/TUV/SGS
Model Number Copper Nickel Pipe
Minimum Order Quantity 1PC
Price Negotiable
Packaging Details Standard Shipping Package
Delivery Time 15-30 Workdays
Payment Terms T/T, Western Union
Supply Ability 10Ton/Month
Product Details
Product Name 70/30 CuNi Reducing Tee Butt Welding Fittings ASME B16.5 Class150 Forged Offshore Color Silver
Surface Paint Spraying Standards ASME B16.11, ASTM A182
End Type Equal Application Plumbing, Gas, Oil, Water Systems
Product Type Cooper Nickel Tee Reducing Tee Corrosionresistance High
Package Quantity Depends Type Steel Pipe
Grade 70600 Technics Casting
Country Of Origin United States Length Required
Wallthickness Schedule 40 Coating Brass
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Product Description

70/30 CuNi Reducing Tee Butt Welding Fittings ASME B16.5 Class150 Forged Offshore

 

 

1. Product Description

The Copper Nickel Reducing Tee is a forged or extruded pipe fitting manufactured from corrosion-resistant CuNi alloys, offered in 90/10 (UNS C70600) and 70/30 (UNS C71500) compositions. Its T-shaped geometry comprises a full-diameter run end and two smaller-diameter branch ends, enabling simultaneous flow division and pipe size reduction within a single integral component.

This fitting is designed to meet the rigorous demands of seawater and aggressive fluid handling systems. It is available with butt-weld ends (beveled per ASME B16.25), socket-weld ends (square-cut with chamfer), or female threaded ends (NPT or BSP). The standard surface finish includes pickling and passivation, which removes mill scale and provides a chemically clean surface that enhances the natural corrosion resistance of the alloy.

2.Product Applications

  • Marine and coastal infrastructure – installed in seawater intake, cooling, and discharge systems aboard commercial fleets, including container ships, bulk carriers, tankers, and cruise liners.

    Offshore energy production – utilized in platform seawater service pumps, heat exchanger cooling circuits, and emergency firewater distribution headers.

    Desalination facilities – employed in reverse osmosis pretreatment feed lines, high-pressure brine reject manifolds, and permeate collection systems.

    Power generation – integrated into condenser circulating water loops and auxiliary plant cooling networks at fossil-fuel, combined-cycle, and nuclear stations.

    General industrial sectors – found in refinery heat exchanger banks, chemical plant transfer piping, HVAC chiller water systems, and compressed air distribution.

    Commonly handled fluids: Seawater, estuary/brackish water, industrial freshwater, steam, compressed gases, and light petroleum products.

3. Product advantages:

Industry-leading corrosion resistance – CuNi alloys exhibit exceptionally low corrosion rates in chloride-rich environments, with documented performance of less than 0.025 mm per year in seawater. This translates to decades of trouble-free operation without wall thinning or pitting concerns.

Integrated anti-fouling protection – the release of copper ions from the alloy surface naturally discourages settlement of barnacles, mussels, and algae. This inherent property minimizes biofouling-related flow restriction and eliminates routine chemical or mechanical cleaning cycles.

High flow velocity capability – the material maintains its integrity under flow velocities up to 5 m/s in seawater, resisting erosion-corrosion mechanisms that quickly degrade lower-grade materials in similar conditions.

Fabrication-friendly – CuNi alloys are readily welded using standard TIG and MIG techniques with ERCuNi filler wire. Preheat requirements are modest (100–150°C only for sections over 20mm), simplifying field installation.

Reliable documentation – each fitting is accompanied by a material test certificate. Optional third-party surveyor inspection (DNV, ABS, Lloyd's) can be arranged to satisfy project-specific quality requirements.

Environmentally responsible – free from lead and other hazardous elements; fully recyclable at end of service life, contributing to sustainable project outcomes.

70/30 CuNi Reducing Tee Butt Welding Fittings ASME B16.5 Class150 Forged Offshore 0

4.Product Specifications

Parameter Value
Material Grades UNS C70600 (90/10 CuNi) / UNS C71500 (70/30 CuNi)
Fitting Type Reducing Tee (Run × Branch1 × Branch2)
Size Range (DN) DN15 – DN600 (½″ – 24″)
Reduction Ratio Customizable (typical: 2:1, 3:2, 4:3)
End Connections Butt Weld (BW), Socket Weld (SW), Threaded (NPT/BSP)
Pressure Classes Class 150, 300, 600, 900, 1500, 2500, 3000 lb
Wall Thickness Schedules SCH10, SCH20, SCH40, SCH80, SCH160, STD, XS, XXS
Design Standards ASME B16.9, ASME B16.11, MSS SP-79, DIN 86088, EN 1254-4, EEMUA 146
Operating Temperature –50°C to +300°C (derate above 260°C)
Max Recommended Velocity Seawater ≤5 m/s; Fresh water/air ≤15 m/s
Tensile Strength (70/30) ≥380 MPa
Yield Strength (70/30) ≥140 MPa
Elongation after Fracture ≥30% (both grades)
Hardness ≤80 HRB
Seawater Corrosion Rate <0.025 mm/year (typical)

 

FAQ

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2. How long is your delivery time? Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

3. Do you provide samples ? is it free or extra ? Yes, we could offer the sample for free charge but need pay the cost of freight.

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