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Help CenterNXF UNS N10276 2.4819/NiMo16Cr15W/C276 OD DN15-1200 Class 3000-9000 Nickel Alloy Forging Technology THD Straight or Reducing Tee
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Products 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 THD Straight or Reducing Tee Introduction
The forged threaded three-way fitting is a pipe diversion/concatenation connection component. It achieves pipe branching or merging through threaded connection, and can be tightly connected without welding, which is convenient for disassembly and maintenance. It is suitable for harsh working conditions such as high pressure and high temperature. The core advantage stems from the forging process: the material's molecular structure is dense, without any air pocket defects, and its pressure-bearing strength is much higher than that of cast products; the structure is compact and durable, and it is unlikely to deform or crack over a long period of use; the high-precision threads (RC/PT/ZG/NPT, etc.) ensure a secure connection and eliminate the risk of leakage. The manufacturing process is "heating and forging for shaping → lathe processing of threads → heat treatment → accuracy inspection", which complies with domestic and international standards such as GB/T14626 and ASME B16.11. The specifications range from DN6 (1/4 inch) to DN100 (4 inches), with the mainstream being DN15-DN50. The materials can be carbon steel (for general industrial use), stainless steel (for corrosive environments), or alloy steel (for extreme working conditions with high temperature and pressure). It is widely applied in scenarios such as petrochemical industry, gas transportation, fire protection systems, building water supply and drainage, and mechanical equipment hydraulic/cooling systems.
C276 Forging Technology THD Straight or Reducing Tee Drawing
C276 Chemical composition and mechanical properties
Factory and Product Pictures
C276 Forging Technology THD Straight or Reducing Tee Product Pictures
C276 PMI spectral testing proves
Product processing
C276 Forging Technology THD Straight or Reducing Tee Product Processing
1.Raw material pre-treatment
Select high-quality carbon steel (Q235/20#), stainless steel (304/316), or alloy steel (12CrMo/20CrMo) round bars/steel ingots. Cut them into blanks according to the target specifications. The blank size should reserve forging allowance (usually 10%-15% larger than the finished product) to ensure precise dimensions after forging.
2. Forging (Core Step)
Heating: Place the billet into a medium-frequency induction furnace or gas furnace and heat it to the forging temperature (for carbon steel, approximately 1150-1250°C; for stainless steel, approximately 1050-1150°C). The temperature is precisely controlled using a thermometer to avoid overheating or underheating. Forging: Use either free forging or die forging techniques. The heated billet is subjected to multiple stages of forging using a press or hydraulic press to gradually shape it into a three-way blank. During the forging process, the billet needs to be turned over multiple times to ensure uniform wall thickness (for the main pipe, branch pipe) in all parts, that the material fibers flow in the same direction as the force, and to eliminate internal pores and shrinkage defects, thereby enhancing the pressure-bearing performance.
3. Mechanical Processing (Thread and Dimension Refinement)
Coarse processing: Use a lathe to turn the interface part of the blank, removing the forging excess, and initially forming the interface contour to ensure the concentricity of the interface with the main pipe (tolerance ≤ 0.05mm). Fine thread machining: Use a CNC lathe in conjunction with high-precision thread cutting tools to perform thread machining on the interface, supporting standards such as RC (cylindrical pipe thread), PT (conical pipe thread), ZG (British taper thread), and NPT (American taper thread). The thread precision needs to reach the 6g/6h level to ensure the sealing performance of the connection. Dimension refinement: Fine-cut the inner and outer diameters and length of the main pipe and branch pipe to ensure that the dimensional tolerances comply with standards (such as outer diameter tolerance ±0.1mm, length tolerance ±0.5mm).
4. Heat Treatment (Performance Enhancement)
Based on the material and working conditions requirements, select the following heat treatment processes: Strain relief annealing: After low-temperature heating (for carbon steel, 500-600℃; for stainless steel, 800-850℃), slowly cool down to eliminate internal stresses generated during forging and processing, preventing deformation and cracking during subsequent use. Quenching + tempering: For alloy steel or products under high-pressure conditions, first quench (heating above the critical temperature, then quickly water-cooling or oil-cooling) to obtain a high-hardness structure, then temper (500-650℃) to eliminate brittleness and enhance fatigue resistance and toughness.
5. Quality Inspection and Packaging
Appearance inspection: Check for cracks, scratches, burrs on the surface, and whether the threads are complete and without misalignment. Dimension inspection: Use calipers, thread gauges, and three-coordinate measuring instruments to detect dimensional accuracy to ensure compliance with standards. Performance inspection: Conduct hydraulic tests (pressure at 1.5 times the working pressure, maintaining pressure for 30 minutes without leakage or deformation), and for some products, ultrasonic testing (to detect internal defects) is required. Packaging: Qualified products are coated with anti-rust oil or vacuum-packed, placed in wooden boxes or iron drums, labeled with specifications, materials, standards, etc., for easy transportation and storage. The entire process uses automated forging equipment and CNC processing technology, combined with a strict quality control system, to ensure that the products have high strength, high precision, and long service life, and are suitable for complex working conditions such as high pressure, high temperature, and corrosion.
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.
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 THD Straight or Reducing Tee 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
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