Inconel 718 Seamless Boiler Tube
Alloy 718 Seamless Boiler Tube, Inconel 718 Seamless Boiler Tube Supplier, Inconel® Alloy 718 Seamless Boiler Tube Stockist.
What is Inconel 718, and why is it commonly used for boiler tubes?
Inconel 718 is a nickel-based superalloy widely recognized for its exceptional high-temperature strength, corrosion resistance, and mechanical properties. It is composed primarily of nickel, chromium, and iron, with small amounts of other elements such as molybdenum, niobium, and titanium. This alloy is commonly used for boiler tubes due to its unique properties, making it suitable for demanding boiler applications. The high-temperature strength of Inconel 718 allows it to withstand extreme operating conditions and resist deformation under thermal stress. Its excellent corrosion resistance also ensures long-term durability and protection against the harsh environments encountered in boilers. These characteristics and good weldability and fabricability make Inconel 718 a preferred material choice for boiler tubes in various industrial sectors, including power generation, chemical processing, and oil refining.
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What are the key properties of Inconel 718 make it suitable for boiler tube applications?
Inconel 718 possesses several key properties that make it highly suitable for boiler tube applications. Its exceptional high-temperature strength enables it to withstand the demanding operating conditions and thermal stresses experienced in boilers. This property allows Inconel 718 to maintain its structural integrity and resist deformation even at elevated temperatures, ensuring reliable performance over extended periods.
Inconel 718 exhibits excellent corrosion resistance, particularly in aggressive environments involving chemicals, acids, and high-temperature gases. This resistance to corrosion helps protect the boiler tubes from degradation, prolonging their lifespan and reducing maintenance requirements.
Moreover, Inconel 718 demonstrates good mechanical properties, including high yield and tensile strength, contributing to its overall durability and resistance to mechanical stress. That enables the tubes to withstand pressure differentials and mechanical loads during boiler operation.
Inconel 718 exhibits favorable fatigue and creep resistance, allowing it to withstand cyclic loading and prolonged exposure to high temperatures without experiencing significant degradation in performance. This property is crucial in boiler applications where cyclic thermal stresses and long-term exposure to high temperatures are common.
Boiler Tube Standard | ASTM B444, B704 / ASME SB444, SA516 |
Seamless Boiler Tube Sizes | 1 / 2" NB - 16" NB |
Welded Boiler Tube Sizes | 1 / 2" NB - 24" NB |
Boiler Tube Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Boiler Tubes available Ex-stock |
Boiler Tube Manufacturing Process | Seamless / Welded / ERW |
Inconel Boiler Tube Schedule | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
Boiler Tube Length | Single Random, Double Random, Standard & Cut length |
Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Inconel Boiler Tubes, Finish as per customer Requirements |
Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
Alloy 718 Seamless Boiler Tube, Inconel 718 Seamless Boiler Tube Supplier, Inconel® Alloy 718 Seamless Boiler Tube Stockist.
Alloy 718 Welded Boiler Tube, Inconel 718 Welded Boiler Tube Supplier, Inconel® Alloy 718 Welded Boiler Tube Stockist.
Alloy 718 Water Tube Boiler, Inconel 718 Water Tube Boiler Supplier, Inconel® Alloy 718 Water Tube Boiler Stockist.
Alloy 718 Boiler Vent Pipe, Inconel 718 Boiler Vent Pipe Supplier, Inconel® Alloy 718 Boiler Vent Pipe Stockist.
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
Inconel 718 | 2.4668 | N07718 | NCF 718 | – | – | – | – |
Product | Price |
Inconel 718 Boiler Tube Price | US $ 2175 - 3145 / Ton |
Inconel 718 Boiler Tube Price In India | $625.00 - $1,584.00/ Ton |
Alloy 718 Boiler Tube Price | US $ 1771 - 3544 / Ton |
Inconel® Alloy 718 Boiler Tube Price Per Kg | $8 - 37 / Kg |
Inconel 2.4668 Welded Boiler Tube Price List | US $ 11 - 46 / Pound |
ASTM B444 Inconel 718 Boiler Tube Price List | $767.00 - $1,951.00/ Ton |
Nickel Alloy 718 Boiler Tube Price Per Piece | $8.00 - $183.00/ Piece |
Inconel Alloy 718 Seamless Boiler Tube Price | $1,869.00 - $3,789.00/ Ton |
Inconel 718 Boiler Tube Price | US $ 1987 - 12030 / Ton |
Avoid those problems that occur with low-quality inconel 718 boiler tubes by getting high-quality inconel 718 boiler tubes at competitive prices from us. Give us a call or send us an email to discuss how we can help you build your business. Working with such an esteemed client as you will make us happy.
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Welding Process
The grade and application requirements have an impact on tube welding and forming. For the manufacturing of tiny diameter tubes, we employ TIG welding. Steel sheets are coiled and welded inside of a welding machine. The steel sheets are shaped into a coil before entering the machine. The seam between these coils is then welded to create a Tube.
Drawing/ Floating Process
Pulling a metal bar, rod, or wire through the entirety of a die to change its finish, shape, size, and/or mechanical qualities is known as floating or drawing. The tube's outer, inner, and wall thicknesses are all reduced via the tube drawing procedure. Stainless Steel Tubes benefit from maintaining the integrity of their surface.
Continuous Seamless Tube Mills
The production of seamless tubes has been transformed by continuous tube mills. These mills do away with the necessity for forging welding or filler metal, in contrast to conventional procedures. With the use of this technology, seamless pipes and tubes may be produced continuously, increasing productivity while lowering costs and improving efficiency.
Continuous Casting
A notable advancement in the production of seamless Tubes is continuous casting. The metal is solidified into a continuous billet through the continuous pouring of molten metal into a water-cooled mould. Better uniformity and enhanced mechanical qualities are guaranteed by this continuous casting technique for the Tubes.
Annealing
Metal is heated above the point of re-crystallization and cooled to room temperature during the annealing process. The molecular bonds in metal tighten when it is shaped, making it rigid. The metal is put through an annealing process to regain its ductility.
Sinking Process
Tube sinking is a drawing technique that reduces the diameter of Tubes. In this drawing technique, a tube is run through a die without the need of a mandrel. Good inner surface quality is not ensured when using a mandrel. The die angel determines the integrity of the outer surface. The die being used produces a uniform surface. A tube can be significantly smaller than it was originally. When cost is a factor, Tube sinking is ideal.
Inspection and Testing
Before sending our items to our consumers, we conduct inspection procedures to verify their integrity.
Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
Inconel 718 | 0.08 max | 0.35 max | 0.35 max | 0.015max | 0.30 max | – | 50.00 – 55.00 | 17.00 – 21.00 |
Grade | Elongation | Density | Tensile Strength | Melting Point | Strength of Yield (0.2%Offset) | ||
Inconel 718 | 45 % | 8.2 g/cm3 | Psi – 1,35,000 , MPa – 930 | 1350 °C (2460 °F) | Psi – 75,000 , MPa – 482 |
Positive Material Identification – PMI Testing | Hydrostatic Test |
Chemical Analysis – Spectro Analysis | Hydrogen-Induced Cracking (HIC) Test |
Mechanical Testing Such as Tensile, Elongation, Reduction of Area | Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177 |
Micro Test | Radiography Test |
Macro Test | Dye Penetrant Test (DP Test) |
Hardness Test | Ultra Sonic Test (UT) |
Pitting Resistance Test | Eddy Current Testing |
Intergranular Corrosion (IGC) Test | Impact Test |
Flaring Test | Bend Test |
Flattening Test |
BWG | BWG | BWG | BWG | BWG | BWG | BWG | BWG | ||
25 | 22 | 20 | 18 | 16 | 14 | 12 | 10 | ||
WT mm | WT mm | WT mm | WT mm |
WT mm | WT mm | WT mm | WT mm |
||
Outside Diameter | Outside Diameter | 0.508 | 0.711 | 0.889 | 1.245 | 1.651 | 2.108 | 2.769 | 3.404 |
mm | inch | kgs/m | kgs/m | kgs/m | kgs/m | kgs/m | kgs/m | kgs/m | |
6.35 | 1/4 | 0.081 | 0.109 | 0.133 | 0.174 | 0.212 | |||
9.53 | 3/8 | 0.126 | 0.157 | 0.193 | 0.257 | 0.356 | 0.429 | ||
12.7 | 1/2 | 0.214 | 0.263 | 0.356 | 0.457 | 0.612 | 0.754 | ||
15.88 | 5/8 | 0.271 | 0.334 | 0.455 | 0.588 | 0.796 | 0.995 | ||
19.05 | 3/4 | 0.327 | 0.405 | 0.553 | 0.729 | 0.895 | 1.236 | ||
25.4 | 1 | 0.44 | 0.546 | 0.75 | 0.981 | 1.234 | 1.574 | 2.05 | |
31.75 | 1 1/4 | 0.554 | 0.688 | 0.947 | 1.244 | 1.574 | 2.014 | 2.641 | |
38.1 | 1 1/2 | 0.667 | 0.832 | 1.144 | 1.514 | 1.904 | 2.454 | 3.233 | |
44.5 | 1 3/4 | 1.342 | 1.774 | 2.244 | 2.894 | 3.5 | |||
50.8 | 2 | 1.549 | 2.034 | 2.574 | 3.334 | 4.03 | |||
63.5 | 2 1/2 | 1.949 | 2.554 | 3.244 | 4.214 | 5.13 | |||
76.2 | 3 | 2.345 | 3.084 | 3.914 | 5.094 | 6.19 | |||
88.9 | 3 1/2 | 2.729 | 3.609 | 4.584 | 5.974 | 7.27 | |||
101.6 | 4 | 4.134 | 5.254 | 6.854 | 8.35 | ||||
114.3 | 4 1/2 | 4.654 | 5.924 | 7.734 | 9.43 |
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We have exported and supplied our Inconel 718 Boiler Tubes to solve tubing related problems of our prestigious domestic and worldwide clients. We appreciate your business and the confidence you have placed in us.
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The cities listed here are where we have supplied our grade 718 inconel boiler tubes in bulk or small orders. Cities from metropolitan to rural areas we can provide Inconel 718 Boiler Tubes to satisfy the needs of our clients.
Colombo, Caracas, Hanoi, Nagpur, Riyadh, Indore, New Delhi, Granada, Lahore, Aberdeen, Kuala Lumpur, Noida, Houston, Dammam, Jaipur, Al Khobar, Hyderabad, Ankara, Vung Tau, Nashik, Thane, Ahvaz, Madrid, Ahmedabad, Port-of-Spain, Calgary, Gimhae-si, Sharjah, Busan, Chennai, Thiruvananthapuram, Bhopal, Singapore, Lagos, Baroda, Santiago, Geoje-si, Doha, Faridabad, Jeddah, Cairo, Kuwait City, Pimpri-Chinchwad, Atyrau, Muscat, Ranchi, Bangkok, Seoul, Dubai, Chandigarh, Petaling Jaya, Tehran, Pune, Jamshedpur, Visakhapatnam, Abu Dhabi, Perth, Bengaluru, Edmonton, Howrah, Mumbai, Secunderabad, Ulsan, Ludhiana, Montreal, La Victoria, Al Jubail, Kolkata, Vadodara, Rajkot, Mumbai, Hong Kong, Dallas, Coimbatore, Manama, Moscow, Kanpur, Brisbane, Gurgaon, Ernakulam, Milan, Rio de Janeiro, New York, Toronto, Courbevoie, Jakarta, Istanbul, Surat, Navi Mumbai, Melbourne, London, Mexico City, Los Angeles, Sydney, Haryana, Algiers, Chiyoda, Bogota, Karachi, Ho Chi Minh City.
Certificate of Origin | Raw Material Test Reports |
Commercial Invoice | Heat Treatment Charts |
Packing List | Quality Assurance Plan (QAP) |
Fumigation Certificates | NABL approved Laboratory Test Reports |
Letter of Guarantee | Material Test Certificates |
ROHS Certificate | Certificate of Compliance/Conformity |
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