What are the applications and industries where stainless steel 347 / 347H tubes are commonly used?

Stainless Steel 347/347H Tubes find extensive applications in various industries due to their excellent properties. These tubes are commonly used in the oil and gas industry for processing equipment, pipelines, and offshore drilling platforms. They are also widely employed in the chemical and petrochemical industry for handling corrosive chemicals and high-temperature environments. In the power generation sector, stainless steel 347/347H tubes are utilized in boilers, heat exchangers, and condensers. These tubes are found in the pharmaceutical industry for manufacturing process equipment and in the food and beverage industry for hygienic applications. Their versatility, corrosion resistance, and ability to withstand high temperatures make stainless steel 347/347H tubes suitable for various industrial applications.

Table Of Content

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What are the advantages of using stainless steel 347 / 347H tubes compared to other stainless steel grades?

Stainless Steel 347 Tubes offer several advantages compared to other stainless steel grades. One notable advantage is their enhanced resistance to intergranular corrosion, making them suitable for high-temperature applications. This resistance is due to adding niobium, stabilizing the microstructure and preventing carbide precipitation. Another advantage is their excellent mechanical properties, high tensile strength and good impact resistance. Stainless steel 347 tubes also exhibit superior weldability, allowing easy fabrication and installation. Moreover, these tubes provide excellent oxidation resistance at elevated temperatures, making them well-suited for applications in furnace and exhaust systems.

Stainless Steel 347H Tubes offer distinct advantages compared to other stainless steel grades. One key advantage is their enhanced high-temperature strength and creep resistance. The higher carbon content in 347H provides improved stability at elevated temperatures, making it suitable for applications in furnace components, heat exchangers, and other high-temperature environments. Additionally, 347H exhibits excellent resistance to intergranular corrosion, thanks to its niobium and tantalum content, which helps maintain the stability of the microstructure. Another advantage is the superior corrosion resistance of 347H, making it suitable for applications in aggressive environments such as chemical processing, petrochemical plants, and offshore platforms.

Specification Of 347 Stainless Steel Tube

Tube Standard ASTM A213, A269, A249, A511, A554 / ASME SA213, SA269, SA249, SA511, SA554
Tube Dimension ANSI/ASME B36.19M, ANSI/ASME B36.10M
Seamless Tube Sizes 1 / 2" NB - 16" NB
Welded Tube Sizes 1 / 2" NB - 24" NB
Tube Outside Diameter 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock
Tube Manufacturing Process Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded
Stainless Steel Tube Schedule SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Tube Length Single Random, Double Random, Standard & Cut length
Tube End Types Plain Ends (PE), Threaded Ends (TE), Bevelled Ends (BW), Grooved Mechanical Joints or Grooved Ends, TBE (Treaded Both Ends)
Delivery Condition Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Outside Finish 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel 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 347 Tubes

Stainless Steel 347 Round Tube

347 Stainless Steel Round Tube

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Stainless Steel 347 Square Tube

347 Stainless Steel Square Tube

SS 347 Square Tube, Stainless Steel 347 Square Tube Supplier, Stainless Steel 347 Square Tube Stockist.

Stainless Steel 347 Rectangular Tube

347 Stainless Steel Rectangular Tube

SS 347 Rectangular Tube, Stainless Steel 347 Rectangle Tube Supplier, Stainless Steel 347 Rectangular Tube Stockist.

Stainless Steel 347 Polished Tube

347 Stainless Steel Polished Tube

SS 347 Polished Tube, Stainless Steel 347 Polished Tube Supplier, Stainless Steel 347 Polished Tube Stockist.

Widest Range of 347-347H Stainless Steel Tubes in Mumbai, India.

  • Widest RangeSchedule 40 Stainless Steel 347 Tube
  • Widest RangeSchedule 80 Stainless Steel 347 Tube
  • Widest RangeStainless Steel 347 Electropolish Tube
  • Widest RangeSchedule 5 Stainless Steel 347 Tube
  • Widest RangeSchedule 160 Stainless Steel 347 Tube
  • Widest RangeSchedule XS Stainless Steel 347 Tube
  • Widest RangeSchedule XXS Stainless Steel 347 Tube
  • Widest Range347 Metric Stainless Steel Tubing
  • Widest RangeSS 347 Seamless Tube
  • Widest RangeSchedule 10 Stainless Steel 347 Tube
  • Widest RangePolished 347 Stainless Steel Tubing
  • Widest RangeASTM A213 Stainless Steel 347H Tube
  • Widest RangeStainless Steel 347H Round Tube
  • Widest RangeASME SA213 Stainless Steel 347 Tube
  • Widest Range347 Stainless Steel Tube HS Code
  • Widest Range347 Stainless Steel ERW Tube
  • Widest Range347 Stainless Steel Tubing Suppliers
  • Widest RangeASME SA213 Stainless Steel 347H Tube
  • Widest Range6 Stainless Steel 347 Tube
  • Widest RangeASTM A213 Stainless Steel 347 Tube

Check Stainless Steel 347/347H Tubes Types In Detail

347 Stainless Steel Tubes Equivalent Grades

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
347 S34700 X6CrNiNb18-10 1.4550
347H S34709 1.4961

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347 / 347H Stainless Steel Tubes Price

Product Price
SS 1.4550 Square Tube Price List US $ 19 - 44 / Pound
347 Stainless Steel Tube Price US $ 1474 - 12430 / Ton
S34700 Stainless Steel Tube Price US $ 1232 - 3740 / Ton
SS 347 Tube Price Per Kg $6 - 27 / Kg
Stainless Steel S34709 Tube Price US $ 1255 - 2584 / Ton
347 Stainless Steel Tube Price In India $655.00 - $1,372.00/ Ton
ASTM A213 Stainless Steel 347 Tube Price List $747.00 - $1,485.00/ Ton
Austenitic Stainless Steel 347 Tube Price Per Piece $6.00 - $177.00/ Piece
347 Stainless Steel Square Tube Price $1,645.00 - $3,474.00/ Ton

For Quatation & Questions Related To Stainless Steel 347 Tubes

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Stainless Steel 347 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 347H Tube

Grade C Mn Si P S Cr Mo Ni N
347 min. 17.0 2.00 9.0
max. 0.08 2.0 1.00 0.045 0.030 20.0 3.00 13.0
347H min. 0.04 17.0 3.00 9.0
max. 0.10 2.0 1.00 0.045 0.030 19.0 4.00 13.0

Mechanical Properties Of 347 Stainless Steel Tubing

Grade C Mn Si P S Cr Mo Ni N
347 min. 17.0 2.00 9.0
max. 0.08 2.0 1.00 0.045 0.030 20.0 3.00 13.0
347H min. 0.04 17.0 3.00 9.0
max. 0.10 2.0 1.00 0.045 0.030 19.0 4.00 13.0

Testing & Inspection of 347 Stainless Steel 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 347 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 347 And 347H Tubes

The cities listed here are where we have supplied our grade 347H stainless steel Tubes in bulk or small orders. Cities from metropolitan to rural areas we can provide SS 347 Tubes to satisfy the needs of our clients.

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

Documents Provided at the time of Domestic Sales or Export of 347/347H Stainless Steel 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 347 Tubes

347 Stainless Steel Tubes For Energy, 347H Stainless Steel Tubes For Pharmaceutical Industry, 347 Stainless Steel Tubes For Transport, Stainless Steel 347H Tubes For Real Estate, Stainless Steel 1.4550 Tubes For Textile Industry, UNS S34709 Tubes For Engineering, 347 Stainless Steel Tubes For Manufacturing, 347H Stainless Steel Tubes For Production, Stainless Steel 347 Tubes For Technology, Stainless Steel 1.4961 Tubes For Waste, UNS S34700 Tubes For Mining, 347 Stainless Steel Tubes For Electronics, 347 SS Tubes For Health care, 347 Stainless Steel Tubes For Pulp and Paper Industry, 347H Stainless Steel Tubes For Rail Transport, 347 Stainless Steel Tubes For Agriculture, 347 Stainless Steel Tubes For Factory, 347 Stainless Steel Tubes For Food Industry, 347H Stainless Steel Tubes For Tertiary Sector, Stainless Steel 347 Tubes For Construction, 347 Stainless Steel Tubes For Chemical Industry.

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