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Help CenterNXF UNS N10276 2.4819/NiMo16Cr15W/C276 OD DN15-2000 Thickness SCH10-XXS Nickel Alloy Equal Reducing ASME B16.9 Butt Welding Tees
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C276 Introduction
Super alloys or high performance alloys are available in a variety of shapes and contain elements in different combinations to obtain a specific result. These alloys are of three types that include iron-based, cobalt-based and
nickel-based alloys. The nickel-based and cobalt-based super alloys are available as cast or wrought based alloys according to composition and application.
Super alloys have good oxidation and creep resistance and can be strengthened by precipitation hardening, solid-solution hardening and work hardening methods. They can also function under high mechanical stress and high temperatures and also in places that require high surface stability.
HASTELLOY(r) C276 is a wrought corrosion-resistant alloy that resists the development of grain boundary precipitates that degrade corrosion resistance.
The following datasheet provides an overview of HASTELLOY(r) C276.
C276 Butt Welding Tees Introduction
UNS N10276 / 2.4819 / C276 is a premier nickel-molybdenum-chromium alloy reinforced with tungsten. Our butt welding tees are engineered for the most demanding chemical processing environments where structural integrity and extreme corrosion resistance are non-negotiable.
1. Technical Specifications
FeatureDetailsMaterial GradeHastelloy C276 (UNS N10276, W.Nr. 2.4819)StandardASME B16.9, DIN 2615, ISOTypeEqual Tee (Straight Tee) & Reducing TeeSize RangeDN15 - DN1200 (1/2" – 48")Wall ThicknessSCH10, SCH40, SCH80, SCH160, XXSConnectionButt Welding (BW)2. Key Product Features
* Supreme Corrosion Resistance: C276 is one of the few materials that can withstand the corrosive effects of wet chlorine gas, hypochlorite, and chlorine dioxide.* Exceptional Stability: Excellent resistance to pitting, stress-corrosion cracking (SCC), and oxidizing atmospheres up to 1040°C* High Pressure Capability: Our Butt Welding design ensures a continuous metal structure, providing the strongest possible leak-proof connection for high-pressure piping systems. * Versatile Configurations: We offer both Equal Tees (same diameter for all ends) and Reducing Tees (smaller branch outlet) to suit complex piping layouts.
3. Manufacturing Process
To ensure maximum longevity in acidic environments, our C276 tees undergo a rigorous production cycle:
1. Forming: Cold drawing or hydraulic bulging for seamless tees; advanced plate welding for large-diameter tees.
2. Heat Treatment: Full Solution Annealing (approx. 1150°C) followed by rapid water quenching to restore corrosion resistance and eliminate stress.
3. Surface Finish: Pickling and passivation to ensure a clean, oxide-free surface.
4. Testing: 100% Dimensional inspection, PMI (Material Identification), and X-ray testing (RT) for welded tees.
4. Typical Applications
* Chemical Processing: Reactors, heat exchangers, and piping handling sulfuric or phosphoric acid.
* Flue Gas Desulfurization (FGD): Scrubbers and ducting in power plants.
* Waste Treatment: Handling of hazardous organic and inorganic waste.
* Oil & Gas: Sour gas service where $H_2S$ levels are high.
C276 BUTT WELDING TEES DRAWING
C276 Chemical composition and mechanical properties
Butt Welding Tees Factory and Product Pictures
C276 PMI spectral testing proves
Butt Welding Tees Processing
Key Processing Methods
* Hydraulic Bulging (Cold/Warm Forming): A straight tube blank, slightly larger than the finished diameter, is placed into a
specialized mold and filled with water or oil. Hydraulic pressure is applied from both ends of the pipe while the fluid pressure is simultaneously increased. The metal is forced to expand outward into a cavity, seamlessly forming the branch.
* Hot Extrusion: Ideal for large-diameter or heavy-walled pipes that are too rigid for cold forming. The raw material is heated to forging temperatures and pressed. During pressing, the branch outlet is extruded from the main pipe body, and the wall thickness is carefully adjusted.
* Plate/Welding Fabrication: For custom or exceptionally large sizes, tees can be stamped from steel plates and the halves are joined using precise seam welding.
Manufacturing Stages
1. Material Prep: Steel pipes (or plates) are cut to precise lengths. If working with heavy walls, the ends are beveled to
prepare them for field welding.
2. Forming: The pipe undergoes one of the extrusion or hydraulic bulge methods outlined above.
3. Heat Treatment: The formed tee undergoes heating and controlled cooling (annealing or normalizing) to relieve internal
stresses, improve ductility, and refine the metal's grain structure.
4. Machining & Beveling: Edges are machined to meet specific standards (such as ASME B16.9), ensuring smooth transitions and
perfect alignment during pipeline installation.
5. Quality Control: Fittings undergo rigorous non-destructive testing (NDT), including ultrasonic or X-ray inspection, to detect
internal defects and guarantee structural integrity.
Our NXF GROUP advantage as follow
1.Our NXF GROUP have our own factory, and we can control the cost by producing by ourselves. We have a great advantage in price and can give you the lowest price based on best quality.
2.Our NXF GROUP can strictly control the quality. We have production, quality inspection, warehousing and other departments to coordinate and control the quality,Such as PMI and size testing.
3.Our NXF GROUP biggest advantage is 3S service. Small quantity, short time, special materials.
4.Our NXF GROUP have excellent quality certificate system and trademark certificate
5.Our NXF GROUP have a comprehensive after-sales service guarantee, such as the transaction guarantee provided by International Station, as well as remote technical guidance and services.
6.Our NXF GROUP have a well-established logistics support system that can save you both time and money, providing you with a one-stop service.
Trade Show Participation
Packing & Delivery
Company Profile
New XiFei (SuZhou) Business Co.,Ltd is one of the leading and most respected manufacturers in China. Our products include
metals,machinery, containers, construction materials, mechanical products, electrical systems, and medical accessories.Established
in1980, XIFEI has been working diligently ever since to embrace the needs of our global customer base.We work to ensure absolute
customer satisfaction. Our team has dedicated itself to perfecting our three core components, "Service, Management and
Craftsmanship." Our advantage:3S Service(Small Quantity/Short Time/Special Material)
Certifications
Butt Welding Elbow Certifications
FAQ
1. who are we?
We are based in Jiangsu, China, start from 2021,sell to South Asia(30.00%),Eastern Asia(10.00%),Mid East(10.00%),Eastern Europe(10.00%),South America(10.00%),Domestic Market(5.00%),North America(5.00%),Northern Europe(5.00%),Central America(5.00%),Africa(5.00%),Southeast Asia(5.00%). There are total about 101-200 people in our office.
2. how can we guarantee quality? Always a pre-production sample before mass production; Always final Inspection before shipment;
3.what can you buy from us? Pipe,Flange,Steel plate,Pipe fittings,Alloy products
4. why should you buy from us not from other suppliers? Our advantage:3S Service (Small Quantity/Short Time/Special Material) We have our own factories, quality can be controlled seriously. We Specialize in manufacturing about 21 years. We have professional testing department and testing equipment.
5. what services can we provide? Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA； Accepted Payment Currency:USD,EUR,CAD,HKD,CNY; Accepted Payment Type: T/T,L/C,D/P D/A; Language Spoken:English,Chinese
6. Are you trading company or manufacturer ? We are manufacturer.
7. 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.
8. 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.
9. What is your terms of payment ? Payment
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