How does stainless steel 309/309S compare to other materials commonly used for boiler tubes?

Stainless steel 309/309S Boiler Tubes offer several advantages compared to other materials commonly used for boiler tubes. Firstly, stainless steel 309/309S exhibits excellent high-temperature strength and oxidation resistance, making it suitable for applications in demanding boiler environments. Its ability to withstand elevated temperatures without significant deformation or degradation makes it a reliable choice for prolonged usage in boiler systems. Additionally, stainless steel 309/309S boasts superior corrosion resistance, particularly in environments containing sulfur-containing gases, compared to carbon or low-alloy steels. This corrosion resistance helps extend boiler tubes' service life and minimize maintenance requirements.

Furthermore, Stainless Steel 309/309S demonstrates good weldability, enabling efficient fabrication and installation of boiler tubes. This characteristic is essential in ensuring a strong and leak-free boiler system. The material also possesses excellent thermal conductivity, facilitating efficient heat transfer within the boiler and enhancing overall system performance.

Table Of Content

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What are the key features and properties of stainless steel 309/309S boiler tubes?

Stainless steel 309 boiler tubes possess several key features and properties that make them suitable for boiler applications. They exhibit excellent high-temperature strength, allowing them to withstand elevated temperatures without significant deformation. This characteristic ensures the integrity and longevity of the boiler tubes in demanding operating conditions. Additionally, stainless steel 309 offers superior oxidation resistance, making it highly resistant to corrosion and scaling at high temperatures. This resistance to oxidation helps maintain the efficiency and performance of the boiler system over time.

Stainless steel 309S boiler tubes possess several key features and properties that make them well-suited for boiler applications. They exhibit excellent high-temperature strength, allowing them to withstand elevated temperatures without significant deformation. This property ensures the durability and reliability of the boiler tubes in demanding operating conditions. Additionally, stainless steel 309S offers exceptional oxidation resistance, making it highly resistant to corrosion and scaling at high temperatures.

Specification Of 309 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

Thin Wall Stainless Steel 309 Boiler Tube, SS 309S Welded Boiler Tube, 309 Stainless Steel Water Tube Boiler, 309 Stainless Steel Superheater Tubes, 309S SS Boiler Tube Weight Calculator, SS 309 Boiler Tube Price List, Stainless Steel 309 Boiler Tube Stockist In Mumbai.

Types Of Stainless Steel 309 Boiler Tubes

Stainless Steel 309 Seamless Boiler Tube

309 Stainless Steel Seamless Boiler Tube

SS 309 Seamless Boiler Tube, Stainless Steel 309 Seamless Boiler Tube Supplier, Stainless Steel 309 Seamless Boiler Tube Stockist.

Stainless Steel 309 Welded Boiler Tube

309 Stainless Steel Welded Boiler Tube

SS 309 Welded Boiler Tube, Stainless Steel 309 Welded Boiler Tube Supplier, Stainless Steel 309 Welded Boiler Tube Stockist.

Stainless Steel 309 Water Tube Boiler

309 Stainless Steel Water Tube Boiler

SS 309 Water Tube Boiler, Stainless Steel 309 Water Tube Boiler Supplier, Stainless Steel 309 Water Tube Boiler Stockist.

Stainless Steel 309 Boiler Vent Pipe

309 Stainless Steel Boiler Vent Pipe

SS 309 Boiler Vent Pipe, Stainless Steel 309 Boiler Vent Pipe Supplier, Stainless Steel 309 Boiler Vent Pipe Stockist.

Widest Range of 309-309S Stainless Steel Boiler Tubes in Mumbai, India.

  • Widest RangeSchedule 10 Stainless Steel 309 Boiler Tube
  • Widest RangeSchedule XS Stainless Steel 309 Boiler Tube
  • Widest Range309 Metric Stainless Steel Boiler Tubing
  • Widest RangeStainless Steel 309 Fire Tube Boiler
  • Widest RangeSchedule 80 Stainless Steel 309 Boiler Tube
  • Widest RangeSchedule 5 Stainless Steel 309 Boiler Tube
  • Widest RangeSchedule 160 Stainless Steel 309 Boiler Tube
  • Widest RangeSS 309 Seamless Boiler Tube
  • Widest RangeSchedule 40 Stainless Steel 309 Boiler Tube
  • Widest RangeSchedule XXS Stainless Steel 309 Boiler Tube
  • Widest RangeASME SA249 Stainless Steel 309 Boiler Tube
  • Widest Range309 Stainless Steel Boiler Tubing Suppliers
  • Widest Range309 Stainless Steel ERW Boiler Tube
  • Widest RangeASTM A249 Stainless Steel 309 Boiler Tube
  • Widest Range309 Stainless Steel Boiler Tube HS Code
  • Widest RangeASTM A269 Stainless Steel 309S Boiler Tube
  • Widest RangeASME SA269 Stainless Steel 309S Boiler Tube
  • Widest Range309 Stainless Steel Boiler Vent Pipe
  • Widest RangeStainless Steel 309S Round Boiler Tube
  • Widest RangeStainless Steel 309 Boiler Flue Pipe

Check Other Tubes Types In Detail

309 Stainless Steel Boiler Tubes Equivalent Grades

STANDARD WERKSTOFF NR. UNS EN AISI
SS 309 1.4828 S30900 X12CrNi23-13 309
SS 309S 1.4833 S30908 X12CrNi23-13 309S

AISI 309 Stainless Steel Boiler Tube, 309S Stainless Steel Boiler Tube Manufacturers In India, 309 Stainless Steel Boiler Superheater Tube, 309S Stainless Steel Boiler Tube Suppliers, 309 Stainless Steel Boiler Tube Sizes Chart, Stainless Steel 309 Boiler Tube Exporter In India

309 / 309S Stainless Steel Boiler Tubes Price

Product Price
Stainless Steel S30908 Boiler Tube Price US $ 1100 - 2000 / Ton
309 Stainless Steel Boiler Tube Price In India $698.00 - $1,480.00/ Ton
S30900 Stainless Steel Boiler Tube Price US $ 1000 - 3000 / Ton
SS 309 Boiler Tube Price Per Kg $4 - 23 / Kg
SS 1.4828 Welded Boiler Tube Price List US $ 12 - 45 / Pound
ASTM A249 Stainless Steel 309 Boiler Tube Price List $700.00 - $1,900.00/ Ton
Austenitic Stainless Steel 309 Boiler Tube Price Per Piece $4.00 - $100.00/ Piece
309 Stainless Steel Seamless Boiler Tube Price $1,082.00 - $3,489.00/ Ton
309 Stainless Steel Boiler Tube Price US $ 1400 - 12000 / Ton

For Quatation & Questions Related To Stainless Steel 309 Boiler Tubes

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Stainless Steel 309 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 309S Boiler Tube

Grade C Mn Si P S Cr Mo Ni N
SS 309 0.20 max 2 max 1 max 0.045 max 0.030 max 18.0 – 23 8.0 -14
SS 309S <=0.080 max <=2.00 max <=0.75 max <=0.040 max <=0.015 max 22.00-24.00 max 12.00-14.00

Mechanical Properties Of 309 Stainless Steel Boiler Tubing

Grade Tensile Strength (ksi) 0.2% Yield Strength (ksi) Elongation% in 2 inches
309 75 30 40
309S 70 25 40

Testing & Inspection of 309 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 309 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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Supply Cities Of Stainless Steel 309 And 309S Boiler Tubes

The cities listed here are where we have supplied our grade 309s stainless steel Boiler Tubes in bulk or small orders. Cities from metropolitan to rural areas we can provide SS 309 Boiler Tubes to satisfy the needs of our clients.

Doha, Port-of-Spain, Chiyoda, Chandigarh, Ho Chi Minh City, Jakarta, Madrid, Sharjah, Abu Dhabi, Caracas, Seoul, Sydney, Santiago, Ludhiana, Cairo, New Delhi, Al Jubail, Tehran, Granada, Bhopal, Chennai, Courbevoie, Baroda, Vadodara, Kuala Lumpur, Kolkata, London, Kanpur, Ranchi, Ahmedabad, Dubai, Secunderabad, Hong Kong, Vung Tau, Kuwait City, Noida, Perth, Calgary, Edmonton, Lahore, Ulsan, Mumbai, Montreal, Jeddah, Hanoi, Nagpur, Thiruvananthapuram, Thane, New York, Moscow, Algiers, Jamshedpur, Nashik, Navi Mumbai, La Victoria, Dallas, Los Angeles, Atyrau, Pimpri-Chinchwad, Busan, Surat, Karachi, Manama, Jaipur, Ankara, Aberdeen, Rio de Janeiro, Bogota, Geoje-si, Indore, Mumbai, Al Khobar, Howrah, Ahvaz, Muscat, Petaling Jaya, Bangkok, Lagos, Haryana, Gimhae-si, Melbourne, Brisbane, Visakhapatnam, Hyderabad, Mexico City, Istanbul, Toronto, Milan, Ernakulam, Faridabad, Pune, Singapore, Dammam, Coimbatore, Gurgaon, Riyadh, Rajkot, Houston, Bengaluru, Colombo.

Documents Provided at the time of Domestic Sales or Export of 309/309S 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 309 Boiler Tubes

309 Stainless Steel Boiler Tubes For Manufacturing, 309 Stainless Steel Boiler Tubes For Factory, 309 Stainless Steel Boiler Tubes For Food Industry, 309S Stainless Steel Boiler Tubes For Production, Stainless Steel 309 Boiler Tubes For Technology, Stainless Steel 1.4828 Boiler Tubes For Waste, UNS S30900 Boiler Tubes For Mining, 309S Stainless Steel Boiler Tubes For Pharmaceutical Industry, 309 Stainless Steel Boiler Tubes For Transport, Stainless Steel 309S Boiler Tubes For Real Estate, Stainless Steel 1.4828 Boiler Tubes For Textile Industry, UNS S30908 Boiler Tubes For Engineering, 309 Stainless Steel Boiler Tubes For Electronics, 309 SS Boiler Tubes For Health care, 309 Stainless Steel Boiler Tubes For Pulp and Paper Industry, 309S Stainless Steel Boiler Tubes For Rail Transport, 309 Stainless Steel Boiler Tubes For Agriculture, 309 Stainless Steel Tubes For Energy, 309S Stainless Steel Boiler Tubes For Tertiary Sector, Stainless Steel 1.4833 Boiler Tubes For Construction, 309 Stainless Steel Boiler Tubes For Chemical Industry.

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