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Butt-welding Pipe Fittings CUNI Reducing Tee 2'' SCH80 ASTM B466 UNS C70600 ASME B16.9

Place of Origin	Shanghai,China
Brand Name	TOBO
Certification	ISO/TUV/SGS
Model Number	Butt Welding Fitting
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

Productname	Butt Weld Fittings	Chemical Composition	Ni MIn63%,Cu 28%-34%,Fe Max2.5%
Surfacefinish	Plain, Painted, Galvanized, Polished	Original	CHINA
Pressurerating	Class 150 To Class 2500	Outer Diameter	13-400mm
Grade	Tinplate	Temperature Range	-20°C To 400°C
Standards	ASME B16.9, ASME B16.25, MSS-SP-43	Product Type	Tee
Corrosion Resistance	Perfect	Process	Stamping
Wallthickness	Schedule 10 To Schedule XXS	Material Grade	ASME B366 NO8020
Pipe Class	Not Rated

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Product Description

Butt-welding Pipe Fittings CUNI Reducing Tee 2'' SCH80 ASTM B466 UNS C70600 ASME B16.9

1. Product Description

This product is a butt-welding reducing tee manufactured from UNS C70600 (90/10 Copper-Nickel alloy) in accordance with ASTM B466 and ASME B16.9 standards . Also known as CuNi 90/10 or Werkstoff Nr. 2.0872, this alloy offers an excellent balance of corrosion resistance, strength, and cost-effectiveness . This 2" Schedule 80 fitting is designed for permanent, leak-proof butt-weld connections in demanding piping systems .

2. Key Product Parameters

Parameter	Details / Range
Material Standard	ASTM B466 / ASME SB466
Dimensional Standard	ASME B16.9, ASME B16.28, MSS-SP-43
Material Grade	UNS C70600 (CuNi 90/10 / 2.0872)
Type	Reducing Tee (Branch size smaller than run)
Nominal Size	2" (DN50)
Wall Thickness	Schedule 80
End Connection	Butt-weld ends (beveled for welding)
Density	8.94 g/cm³
Chemical Comp.	Cu: ≥88.6%, Ni: 9.0-11.0%, Fe: 1.0-1.8%, Mn: 0.5-1.0%
Tensile Strength	303–414 MPa (44,000–60,000 psi)
Yield Strength	~110–135 MPa (16,000–20,000 psi)
Elongation	30–42%

3. Application / Usage

This reducing tee is ideal for seawater and corrosive fluid systems :

Marine & Shipbuilding: Seawater cooling systems, firefighting pipelines, ballast systems, bilge lines
Offshore Oil & Gas: Seawater injection systems, heat exchangers
Desalination Plants: Brine heaters, condenser tubing
Power Generation: Condensers, cooling water systems
Coastal Infrastructure: Harbor facilities, sewage outfalls

4. Advantages

Superior Corrosion Resistance: Exceptional resistance to seawater corrosion, pitting, crevice corrosion, and stress corrosion cracking
Biofouling Resistance: Forms a protective oxide layer that resists marine biological fouling
Cost-Effective: Offers a favorable balance of performance and budget compared to titanium or super duplex grades
Good Weldability: Readily weldable using standard processes
Non-Magnetic & Low Maintenance: Ideal for subsea and buried systems where access is difficult

5. Functions

The reducing tee connects three pipe sections in a T-shaped configuration, enabling fluid to be divided from a larger main pipe (run) into a smaller branch pipe, or combined from a smaller branch into a larger main line . It provides a permanent, leak-proof junction for transitioning between different pipe sizes in the distribution network.

6. Installation Instructions

Preparation: Degrease and clean pipe ends, tee weld areas, and filler metal of oil, grease, and oxidation .
Alignment: Accurately align the tee with connecting pipes ensuring proper fit-up. Reduce branch connects to smaller pipe.
Welding: Use TIG (GTAW) process with matching ERCuNi filler wire (AWS A5.7). Use 100% argon shielding gas. Keep heat input under control.
Post-Weld Cleaning: Clean with stainless steel brush to leave a bright finish. No post-weld heat treatment is required .

7. Precautions

Stress Control: Minimize residual stresses as any stress can cause intergranular penetration and severe stress cracking .
Crater Sensitivity: Stops/terminations are sensitive to crater pits – always taper current off and grind all stops .
Cleanliness: Requires a higher degree of cleanliness than for steel fabrication .
Temperature Limit: Avoid use above 300°C to prevent degradation .

8. Shipping & Delivery

Standard delivery time is typically 15–30 days, subject to order quantity and specification availability.

9. Payment Terms

Common international payment methods include T/T (Telegraphic Transfer) and L/C at sight (Letter of Credit) .

10. Packaging

Products are securely packed in plywood cases or wooden crates with internal cushioning to ensure safe transportation and prevent damage during transit .

11. After-Sales / Return & Warranty Policy

All products undergo strict quality inspection before shipment.
In case of quality issues, retain original packaging and provide relevant photos or third-party inspection reports.
Specific return, exchange, and warranty terms are subject to the final sales contract agreement.

Butt-welding Pipe Fittings CUNI Reducing Tee 2'' SCH80 ASTM B466 UNS C70600 ASME B16.9

FAQ

1. Are you trading company or manufacturer ?
We are manufacturer ,You can see the certification.
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.
4. What is your terms of payment ?
Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.

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