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NXF UNS N10276 2.4819/NiMo16Cr15W/C276 OD DN15-1200 Pressure Class150-2500lb Nickel Alloy Forging Technology Paddle Blind Flange
2026-07-21 11:30 NXF GROUP
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Product Description
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 ickel-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 Forging Technology Paddle Blind Flange Introduction
The paddle blind flange, also known as blind plug flange or flow-limiting plug flange, is a special pipe fitting used in the pipeline system to cut off and isolate the medium. It is often used in combination with standard butt-weld or lap-joint flanges and is manufactured in accordance with ASME B16.5 and HG/T20615 manufacturing specifications. It is suitable for pressure ratings ranging from Class 150 to Class 2500. The product is available in single and double plug plate structures, and the materials include carbon steel, stainless steel, and nickel-based alloys. It can be adapted to various working conditions such as corrosion, high temperature, and high pressure. The metal plug plate is clamped by two flanges to achieve complete isolation of the pipeline. The disassembly and assembly are simple, and there is no need to cut the pipeline. Maintenance, pipeline section isolation, and safe displacement operations can be carried out quickly. The flange surface is precisely ground, ensuring high sealing adhesion. When paired with gaskets, it can prevent medium leakage. Both sides can be marked with labels for easy distinction between the flow and isolation states. Compared to traditional blind plates, it occupies less installation space, has stable pressure-bearing capacity, and is widely used in petrochemicals, energy, seawater treatment, and fine chemical pipelines. It is preferred for equipment maintenance, pipeline renovation, and long-term shutdown isolation scenarios, effectively avoiding risks of medium crossover and leakage. The factory comes with inspection and size detection reports, and is suitable for the requirements of industrial pipelines at home and abroad.
C276 Forging Technology Paddle Blind Flange Drawing
C276 Chemical composition and mechanical properties
Factory and Product Pictures
C276 Forging Technology Paddle Blind Flange Product Pictures
C276 PMI spectral testing proves
Video of a customer visiting us
Product processing
C276 Forging Technology Paddle Blind Flange Product Processing
1. Material selection: Select carbon steel, stainless steel or nickel-based alloy materials based on the working conditions. Verify the material certificates and confirm that the element content meets the standards through component testing to ensure that the raw materials have no cracks, slag inclusions, etc.
2. Cutting and blanking: Precisely cut the raw materials according to the order specifications. Use CNC cutting equipment to cut the inserts and the matching flange rings blanks, control the dimensional accuracy, and reduce the subsequent processing allowance.
3. Forming processing: Forge or machine the blanks to shape the main body of the insert and the flange ring outline. Focus on processing the sealing surface of the insert to ensure a smooth surface without burrs.
4. Precision machining: Use CNC equipment to process key parts such as bolt holes and sealing grooves, strictly following ASME B16.5 and other standards to ensure precise cooperation between the insert and the flange ring and the compliance of the sealing fit.
5. Heat treatment and inspection: Perform heat treatment on the formed parts to eliminate internal stress from the processing. Then, conduct non-destructive testing, size re-measurement, and defect inspection. After passing the inspection, perform surface rust prevention treatment, package for delivery, and attach the inspection report.
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 Alibaba 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.
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 in 1980, 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."
C276 Forging Technology Paddle Blind Flange 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,DDP,DDU；
Accepted Payment Currency:USD,EUR,CAD,HKD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,Credit Card,PayPal;
Language Spoken:English,Chinese,Spanish,Russian
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,DDP,DDU；
Accepted Payment Currency:USD,EUR,CAD,HKD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,Credit Card,PayPal;
Language Spoken:English,Chinese,Spanish,Russian
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