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Help CenterNXF UNS N10276 2.4819/NiMo16Cr15W/C276 OD DN15-1200 Pressure Class3000-9000 Nickel Alloy Forged Fitting Threaded Tees
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Products Description
C276 Inroduction
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.
THREADED TEE INTRODUCTION
Threaded tees are manufactured using two methods: forging and casting. Forging involves heating and forging a steel ingot or bar into shape, then machining threads on a lathe. Casting involves melting a steel ingot, pouring it into a mold, and allowing it to cool. Due to the different manufacturing processes, their pressure resistance differs; forged tees have a much higher pressure resistance than cast tees.The main manufacturing standards for threaded tees generally include GB/T14626, ASME B16.11, and BS3799.
Threaded Tee Drawing
C276 Chemical composition and mechanical properties
Factory and Product Pictures
PMI spectral testing proves
Product Processing
1. Raw Material Preparation and Blanking
Raw Material Selection: Select qualified round steel bars (carbon steel, stainless steel, or alloy steel, such as 20#, 304, A105, etc.). Upon arrival at the factory, conduct a material re-inspection (spectral analysis, mechanical property testing).
Blanking: Calculate the billet weight according to the tee specifications, and cut it into fixed-length segments using a saw/cutting machine to ensure dimensional accuracy. Simultaneously, properly transfer the material markings.
2. Heating and Forging
Heating: Place the billet into the heating furnace, control the heating temperature according to the material (approximately 1100-1200℃ for carbon steel, approximately 1050-1150℃ for stainless steel), and hold at that temperature to bring the metal to a plastic state, avoiding overheating/oxidation.
Die forging: The heated billet is placed into a specialized tee die and forged using forging equipment (press/hammer). The metal flows under pressure, filling the die cavity to form the tee blank shape (including the basic outline of the three joints). Some processes involve pre-forging before final forging.
Trimming/Finishing: Remove flash and excess material generated during die forging to obtain a complete tee blank.
3. Heat Treatment (Key Step)
To eliminate forging stress and refine the grain, heat treatment is performed according to the material:
Alloy steel: Normalizing + tempering to ensure a balance of hardness and toughness.
Stainless steel: Solution treatment to improve corrosion resistance.
Hardness testing is performed after heat treatment to ensure compliance with standards.
4. Machining and Thread Forming
Basic Machining: Turn the outer diameter and end face of the tee to ensure interface dimensions, perpendicularity, and surface roughness.
Internal Hole Machining: Drill/bor the inner holes of the three interfaces to provide space for thread machining.
Thread Machining: Machin the internal threads (NPT, BSP, PT, etc. standards) using a dedicated tap/CNC lathe to ensure thread accuracy, tooth profile, and sealing meet requirements. After machining, use a thread gauge to check for go/no-go.
5. Surface Treatment and Inspection
Surface Treatment: Shot blasting/sandblasting to remove oxide scale. Stainless steel parts can be pickled and passivated; carbon steel parts can be rust-proofed.
Comprehensive Inspection: Includes dimensional inspection (coordinate measuring machine/calipers), thread inspection, non-destructive testing (magnetic particle/penetrating, carbon steel/stainless steel), and hydrostatic testing (some high-pressure conditions).
Marking and Packaging: Mark qualified products (material, specifications, standards, furnace number, etc.), and package them rust-proof as required before warehousing.
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.OurNXF 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
Compang 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)
Certificstion
FQA
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.
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