321 Stainless Steel Seamless Boiler Tube
SS 321 Seamless Boiler Tube, Stainless Steel 321 Seamless Boiler Tube Supplier, Stainless Steel 321 Seamless Boiler Tube Stockist.
What applications and industries commonly use stainless steel 321 / 321H boiler tubes?
Stainless Steel 321 / 321H Boiler Tubes find widespread application in various industries and sectors due to their excellent properties and suitability for high-temperature environments. One of the primary industries that commonly utilize these boiler tubes is the power generation industry, where they are employed in power plants and thermal stations for generating steam and heat. Additionally, stainless steel 321 / 321H boiler tubes are extensively used in the petrochemical industry for high temperatures, such as refining, cracking, and distillation.
These tubes also find application in the chemical industry for handling corrosive fluids and gases and in the oil and gas industry for offshore and onshore operations. Moreover, Stainless Steel 321 / 321H Boiler Tubes are employed in various manufacturing processes, such as heat exchangers, furnaces, and industrial boilers, ensuring reliable and efficient heat transfer. Their versatility and resistance to oxidation and corrosion make them well-suited for various applications in diverse industries.
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What are the key properties and characteristics of stainless steel 321 / 321H boiler tubes?
Stainless steel 321 boiler tubes possess several key properties and characteristics that make them highly desirable in boiler applications. Firstly, they exhibit excellent high-temperature strength, allowing them to withstand the elevated temperatures and pressures commonly encountered in boilers. Moreover, stainless steel 321 boiler tubes offer exceptional resistance to oxidation and corrosion, making them well-suited for applications involving hot gases and aggressive environments. They also demonstrate good creep and stress rupture properties, ensuring their structural integrity and longevity under prolonged exposure to high temperatures.
Stainless steel 321H boiler tubes possess several key properties and characteristics that make them well-suited for boiler applications. One of their primary features is their high-temperature strength, enabling them to withstand the elevated temperatures and pressures typically encountered in boilers. Additionally, these tubes exhibit excellent resistance to oxidation and corrosion, making them highly durable in environments with hot gases and aggressive substances. Stainless steel 321H boiler tubes also demonstrate good creep and stress rupture properties, ensuring their structural integrity and longevity under prolonged exposure to high temperatures.
Boiler Tube Standard | ASTM A269, A249, A511, A554 / ASME SA269, SA249, SA511, SA554 |
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 |
Stainless 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 Stainless Steel Boiler Tubes, Finish as per customer Requirements |
Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
SS 321 Seamless Boiler Tube, Stainless Steel 321 Seamless Boiler Tube Supplier, Stainless Steel 321 Seamless Boiler Tube Stockist.
SS 321 Welded Boiler Tube, Stainless Steel 321 Welded Boiler Tube Supplier, Stainless Steel 321 Welded Boiler Tube Stockist.
SS 321 Water Tube Boiler, Stainless Steel 321 Water Tube Boiler Supplier, Stainless Steel 321 Water Tube Boiler Stockist.
SS 321 Boiler Vent Pipe, Stainless Steel 321 Boiler Vent Pipe Supplier, Stainless Steel 321 Boiler Vent Pipe Stockist.
STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
Product | Price |
Stainless Steel S32109 Boiler Tube Price | US $ 1104 - 2004 / Ton |
321 Stainless Steel Boiler Tube Price In India | $694.00 - $1,484.00/ Ton |
S32100 Stainless Steel Boiler Tube Price | US $ 1500 - 3004 / Ton |
SS 321 Boiler Tube Price Per Kg | $5 - 26 / Kg |
SS 1.4541 Welded Boiler Tube Price List | US $ 16 - 46 / Pound |
ASTM A249 Stainless Steel 321 Boiler Tube Price List | $707.00 - $1,940.00/ Ton |
Austenitic Stainless Steel 321 Boiler Tube Price Per Piece | $6.00 - $140.00/ Piece |
321 Stainless Steel Seamless Boiler Tube Price | $1,084.00 - $3,485.00/ Ton |
321 Stainless Steel Boiler Tube Price | US $ 1404 - 12040 / Ton |
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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 | P | S | Cr | N | Ni | Ti |
SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 - 12.00 | 5(C+N) – 0.70 max |
SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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 321 Stainless Steel 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 321h stainless steel Boiler Tubes in bulk or small orders. Cities from metropolitan to rural areas we can provide SS 321 Boiler Tubes to satisfy the needs of our clients.
Jaipur, Kanpur, Bogota, Toronto, Caracas, Hong Kong, New York, London, Ernakulam, Muscat, Al Khobar, Visakhapatnam, Doha, Hanoi, Mumbai, Courbevoie, Riyadh, Karachi, Montreal, Thane, Port-of-Spain, Gimhae-si, Cairo, Al Jubail, Rajkot, Hyderabad, Secunderabad, Los Angeles, Perth, Bangkok, Granada, Thiruvananthapuram, Abu Dhabi, Istanbul, Kuala Lumpur, Melbourne, Lahore, Bhopal, Navi Mumbai, Manama, Tehran, Haryana, Dallas, Algiers, Jamshedpur, Ho Chi Minh City, Jakarta, Vadodara, Baroda, Mumbai, Santiago, Lagos, Houston, Indore, Madrid, Geoje-si, Calgary, Ankara, Noida, Faridabad, Kuwait City, Petaling Jaya, Busan, Bengaluru, Surat, Jeddah, Aberdeen, Nagpur, Brisbane, Seoul, Atyrau, La Victoria, Edmonton, Ludhiana, Ranchi, Moscow, Colombo, New Delhi, Mexico City, Kolkata, Milan, Chandigarh, Coimbatore, Singapore, Pimpri-Chinchwad, Sharjah, Pune, Nashik, Dammam, Chennai, Howrah, Ulsan, Ahmedabad, Gurgaon, Dubai, Rio de Janeiro, Sydney, Ahvaz, Chiyoda, Vung Tau.
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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