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.

Specification Of 321 Stainless Steel Boiler Tube

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

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Types Of Stainless Steel 321 Boiler Tubes

Stainless Steel 321 Seamless Boiler Tube

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.

Stainless Steel 321 Welded Boiler Tube

321 Stainless Steel Welded Boiler Tube

SS 321 Welded Boiler Tube, Stainless Steel 321 Welded Boiler Tube Supplier, Stainless Steel 321 Welded Boiler Tube Stockist.

Stainless Steel 321 Water Tube Boiler

321 Stainless Steel Water Tube Boiler

SS 321 Water Tube Boiler, Stainless Steel 321 Water Tube Boiler Supplier, Stainless Steel 321 Water Tube Boiler Stockist.

Stainless Steel 321 Boiler Vent Pipe

321 Stainless Steel Boiler Vent Pipe

SS 321 Boiler Vent Pipe, Stainless Steel 321 Boiler Vent Pipe Supplier, Stainless Steel 321 Boiler Vent Pipe Stockist.

Widest Range of 321-321H Stainless Steel Boiler Tubes in Mumbai, India.

  • Widest RangeSchedule 10 Stainless Steel 321 Boiler Tube
  • Widest RangeSchedule XS Stainless Steel 321 Boiler Tube
  • Widest Range321 Metric Stainless Steel Boiler Tubing
  • Widest RangeStainless Steel 321 Fire Tube Boiler
  • Widest RangeSchedule 80 Stainless Steel 321 Boiler Tube
  • Widest RangeSchedule 5 Stainless Steel 321 Boiler Tube
  • Widest RangeSchedule 160 Stainless Steel 321 Boiler Tube
  • Widest RangeSS 321 Seamless Boiler Tube
  • Widest RangeSchedule 40 Stainless Steel 321 Boiler Tube
  • Widest RangeSchedule XXS Stainless Steel 321 Boiler Tube
  • Widest RangeASME SA249 Stainless Steel 321 Boiler Tube
  • Widest Range321 Stainless Steel Boiler Tubing Suppliers
  • Widest Range321 Stainless Steel ERW Boiler Tube
  • Widest RangeASTM A249 Stainless Steel 321 Boiler Tube
  • Widest Range321 Stainless Steel Boiler Tube HS Code
  • Widest RangeASTM A269 Stainless Steel 321H Boiler Tube
  • Widest RangeASME SA269 Stainless Steel 321H Boiler Tube
  • Widest Range321 Stainless Steel Boiler Vent Pipe
  • Widest RangeStainless Steel 321H Round Boiler Tube
  • Widest RangeStainless Steel 321 Boiler Flue Pipe

Check Other Tubes Types In Detail

321 Stainless Steel Boiler Tubes Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS EN
SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X12CrNiTi18-9

321 Stainless Steel Boiler Tube Sizes Chart, 321H Stainless Steel Boiler Tube Suppliers, 321 Stainless Steel Boiler Superheater Tube, 321H Stainless Steel Boiler Tube Manufacturers In India, AISI 321 Stainless Steel Boiler Tube, Stainless Steel 321 Boiler Tube Exporter In India

321 / 321H Stainless Steel Boiler Tubes Price

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

For Quatation & Questions Related To Stainless Steel 321 Boiler Tubes

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Stainless Steel 321 Boiler Tube Manufacturing Process

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.


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Chemical Composition Of Stainless Steel 321H Boiler Tube

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

Mechanical Properties Of 321 Stainless Steel Boiler Tubing

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 %

Testing & Inspection of 321 Stainless Steel Boiler Tubes

Testing (Destructive, Non Destructive)

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

Stainless Steel 321 Boiler Tube Sizes in MM

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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Supply Cities Of Stainless Steel 321 And 321H Boiler Tubes

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.

Documents Provided at the time of Domestic Sales or Export of 321/321H Stainless Steel Boiler Tubes

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

Application Industries We Supply Stainless Steel 321 Boiler Tubes

321 Stainless Steel Boiler Tubes For Manufacturing, 321 Stainless Steel Boiler Tubes For Factory, 321 Stainless Steel Boiler Tubes For Food Industry, 321H Stainless Steel Boiler Tubes For Production, Stainless Steel 321 Boiler Tubes For Technology, Stainless Steel 1.4541 Boiler Tubes For Waste, UNS S32100 Boiler Tubes For Mining, 321H Stainless Steel Boiler Tubes For Pharmaceutical Industry, 321 Stainless Steel Boiler Tubes For Transport, Stainless Steel 321H Boiler Tubes For Real Estate, Stainless Steel 1.4541 Boiler Tubes For Textile Industry, UNS S32109 Boiler Tubes For Engineering, 321 Stainless Steel Boiler Tubes For Electronics, 321 SS Boiler Tubes For Health care, 321 Stainless Steel Boiler Tubes For Pulp and Paper Industry, 321H Stainless Steel Boiler Tubes For Rail Transport, 321 Stainless Steel Boiler Tubes For Agriculture, 321 Stainless Steel Tubes For Energy, 321H Stainless Steel Boiler Tubes For Tertiary Sector, Stainless Steel 1.4878 Boiler Tubes For Construction, 321 Stainless Steel Boiler Tubes For Chemical Industry.

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