Alloy Steel T91 Seamless Boiler Tube
Alloy Steel T91 Seamless Boiler Tube, Chrome Moly T91 Seamless Boiler Tube Supplier, CrMo T91 Seamless Boiler Tube Stockist.
What is Alloy Steel T91 Boiler Tube, and what are its main applications?
Alloy Steel T91 Boiler Tube is a specific type of steel tubing designed for boilers and high-temperature applications. It comprises alloying elements such as chromium, molybdenum, and vanadium, which provide enhanced strength, corrosion resistance, and high-temperature stability. The main applications of Alloy Steel T91 Boiler Tube are found in power generation industries, particularly in coal-fired power plants, where it is utilized in superheaters, reheaters, and other high-temperature sections of the boiler.
Its excellent heat transfer properties and ability to withstand elevated temperatures make it ideal for efficiently transferring heat from combustion gases to the working fluid within the boiler system. Additionally, Alloy Steel T91 Boiler Tube finds use in various industrial processes that require resistance to high-pressure and high-temperature environments, including petrochemical refineries and thermal power plants.
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What are the key properties and characteristics of the Alloy Steel T91 Boiler Tube?
Alloy Steel T91 Boiler Tube possesses several key properties and characteristics that make it suitable for high-temperature applications. It exhibits excellent creep strength, which refers to its ability to resist deformation under long-term exposure to high temperatures. This property is crucial for maintaining structural integrity and preventing tube failure in boiler systems operating at elevated temperatures for extended periods.
Alloy Steel T91 offers exceptional resistance to oxidation and corrosion, essential in boiler environments where exposure to high-temperature gases and steam can cause degradation over time. Its chromium content forms a protective oxide layer as a barrier against corrosion. Alloy Steel T91 exhibits good thermal conductivity, facilitating efficient heat transfer and enhancing overall boiler performance. Furthermore, it possesses high tensile strength and toughness, allowing it to withstand mechanical stresses and pressure fluctuations commonly encountered in boiler applications. Combining these properties makes Alloy Steel T91 Boiler Tube a reliable and durable material for withstanding the demanding conditions of high-temperature boiler environments.
Boiler Tube Standard | ASTM A213 / ASME SA213 |
Boiler Tube Dimension | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
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 / Fabricated / CDW / 100% X Ray Welded |
Alloy Steel 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 Alloy Steel Boiler Tubes, Finish as per customer Requirements |
Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
Alloy Steel T91 Seamless Boiler Tube, Chrome Moly T91 Seamless Boiler Tube Supplier, CrMo T91 Seamless Boiler Tube Stockist.
Alloy Steel T91 Welded Boiler Tube, Chrome Moly T91 Welded Boiler Tube Supplier, CrMo T91 Welded Boiler Tube Stockist.
Alloy Steel T91 Water Tube Boiler, Chrome Moly T91 Water Tube Boiler Supplier, CrMo T91 Water Tube Boiler Stockist.
Alloy Steel T91 Boiler Vent Pipe, Chrome Moly T91 Boiler Vent Pipe Supplier, CrMo T91 Boiler Vent Pipe Stockist.
Product | Price |
Alloy T91 Boiler Tube Price | US $ 2071 - 3450 / Ton |
Alloy Steel T91 Boiler Tube Price In India | $664.00 - $1,772.00/ Ton |
Chrome Moly T91 Boiler Tube Price | US $ 1877 - 3273 / Ton |
Alloy Steel T91 Boiler Tube Price Per Kg | $6 - 82 / Kg |
High Pressure Steel T91 Welded Boiler Tube Price List | US $ 37 - 90 / Pound |
ASTM A213 Chrome Moly T91 Boiler Tube Price List | $573.00 - $1,785.00/ Ton |
Austenitic CrMo T91 Boiler Tube Price Per Piece | $3.00 - $123.00/ Piece |
Alloy Steel T91 Seamless Boiler Tube Price | $1,398.00 - $3,648.00/ Ton |
Alloy Steel T91 Boiler Tube Price | US $ 1358 - 12787 / Ton |
Avoid those problems that occur with low-quality alloy steel t91 boiler tubes by getting high-quality alloy steel t91 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.
C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % | V, % | N, % | Ni, % | Al, % | Nb, % |
0.08-0.12 | 0.3-0.6 | 0.02 max | 0.01 max | 0.2-0.5 | 8.0-9.5 | 0.85-1.05 | 0.18-0.25 | 0.03-0.07 | 0.4 max | 0.04 max | 0.06-0.10 |
Tensile Strength , MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
585 min | 415 min | 20 min | 250 max |
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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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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