SS 347 High Temperature Seamless Pipes
Stainless Steel 347 High Temperature Seamless Pipe Suppliers, Stainless Steel 347 High Temperature Seamless Pipes Stockist.
How does stainless steel 347/347H high-temperature pipe/tube
compare to other stainless steel alloys regarding heat
resistance?
Stainless steel 347/347H high-temperature pipe/tube
exhibits excellent heat resistance properties compared to other
stainless steel alloys. It is specifically designed to withstand
elevated temperatures and is particularly well-suited for
applications in high-temperature environments. One of the key
features that sets stainless steel 347/347H apart is its ability
to maintain its strength and structural integrity even at
temperatures reaching up to 1000°C (1832°F). This remarkable
heat resistance is primarily attributed to the addition of
niobium (columbium) and tantalum, which form carbide
precipitates, thereby preventing the formation of chromium
carbides at grain boundaries.
Consequently, stainless steel 347/347H offers superior resistance to sensitization, intergranular corrosion, and oxidation at elevated temperatures compared to other stainless steel alloys. Its exceptional heat resistance makes it a favoured choice in various applications, including refineries, petrochemical plants, power generation facilities, and high-temperature processing industries where reliable performance under demanding thermal conditions is paramount.
Table Of Content
What are the key properties and characteristics of stainless
steel 347/347H high-temperature pipe/tube?
Stainless steel 347 high-temperature pipe/tube possesses several
key properties and characteristics that make it suitable for
high-temperature applications. It exhibits excellent heat
resistance, allowing it to maintain strength and structural
integrity even at temperatures up to 1000°C (1832°F).
Additionally, stainless steel 347 is highly resistant to
sensitization and intergranular corrosion, thanks to the
addition of niobium (columbium) and tantalum, which form carbide
residues and prevent the formation of chromium carbides at grain
boundaries.
This alloy offers high mechanical properties, including impressive tensile and yield strength, toughness, and flexibility. Furthermore, stainless steel 347H showcases good oxidation resistance, making it suitable for environments with high-temperature oxidation potential. These combined properties make stainless steel 347H a preferred choice in various industries, such as refineries, petrochemical plants, and power generation facilities, where reliable performance under demanding high-temperature conditions is crucial.
Pipe Standard | ASTM A213, ASTM A312, ASTM A249, ASTM A269 |
Grades | 347 / 347H |
Type | Seamless & Welded |
Size Range | 6mm OD to 600 OD |
Thickness | 1mm to 20mm |
Schedule | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements |
Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
Stainless Steel 347 High Temperature Seamless Pipe Suppliers, Stainless Steel 347 High Temperature Seamless Pipes Stockist.
Stainless Steel 347 High Temperature Welded Pipe Suppliers, Stainless Steel 347 High Temperature Welded Pipes Stockist.
Stainless Steel 347 High Temperature SMLS Tube Suppliers, Stainless Steel 347 High Temperature Seamless Tubes Stockist.
Stainless Steel 347 High Temperature Welded Tube Suppliers, Stainless Steel 347 High Temperature Welded Tubes Stockist.
STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN |
SS 347 | 1.4550 | S34700 | SUS 347 | 08Ch18N12B | X6CrNiNb18-10 |
SS 347H | 1.4961 | S34709 | SUS 347H | – | X6CrNiNb18-12 |
Product | Price |
Schedule 10 Stainless Steel 347H High Temperature Pipes Price | $1,882.00 - $2,889.00/ Ton |
347 SS High Temperature Pipe Price List | $800 - 1300/ Ton |
Stainless Steel S34709 High Temperature Pipe Price | US $ 1100 - 2000 / Ton |
SS 1.4961 High Temperature Tubes Price List | US $ 22 - 35 / kg |
Custom Size 4 Inch SS 1.4550 High Temperature Pipes Price | US $ 1400 - 12000 / Ton |
S34700 Stainless Steel High Temperature Tubing Price | US $ 1000 - 3000 / Ton |
Austenitic Stainless Steel 347 High Temperature Tubes Price Per KG | $1182.00 - $2200.00/ Ton |
20mm Diameter Stainless Steel 347H High Temperature Pipes Price | $898.00 - $1,380.00/ Ton |
Avoid those problems that occur with low-quality stainless steel 347 High Temperature pipes by getting high-quality stainless steel 347H High Temperature 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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Material Selection
Specialized alloys created to endure tremendous heat and resist corrosion are used to make high-temperature pipe tubes. Stainless steel, alloy steel, and alloys based on nickel are typical materials.
Melting and Casting
In high-temperature furnaces, specific alloy components are melted to create molten metal. After being cast into billets or ingots, this molten metal becomes the raw material for making tubes.
Hot Extrusion
To create a tube, the billet tube is heated and extruded via a die. The initial dimensions and fundamental shape are imparted by this process.
Heat Treatment
Heat treatment is used to tubes to improve their mechanical characteristics and eliminate internal tensions. Common techniques include annealing and normalizing.
Cold Drawing or Pilgering
In order to shrink the diameter and perfect the dimensions of the tubes, they are dragged through numerous dies. Pilgering is an expert cold rolling technique used to obtain precise tolerances.
Welding and Joining
If necessary, tubes may be welded to create longer lengths or to attach fittings and other components.
Finishing Processes
To obtain desirable characteristics, like as precise surface finishes or close dimensional tolerances, tubes must undergo additional processing.
Grade | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
SS 347 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 20.00 | 10xC – 1.10 | 9.00 – 13.00 | 62.74 min |
SS 347H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 8xC – 1.10 | 9.0 -13.0 | 63.72 min |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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 |
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We have exported and supplied our 347H Stainless Steel High Temperature Pipe Tubes to solve piping 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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Contact UsDenmark, Turkey, Portugal, Malta, United Kingdom, Norway, Ireland, Austria, Luxembourg, Italy, Sweden, Greece, Monaco, Cyprus, Spain, Finland, Lithuania, Czechia/Czech Republic, Romania, Serbia, Ukraine, Latvia, Belarus, Croatia, Hungary, Bulgaria, France, Netherlands, Poland, Azerbaijan, Liechtenstein, Belgium, Moldova, Russia, Switzerland, Germany, Slovakia, Estonia.
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Kiribati, Tonga, Australia, Samoa, Palau, New Zealand, Papua New Guinea, Marshall Islands, Nauru, Micronesia, Solomon Islands, Tuvalu, Vanuatu, Fiji.
The cities listed here are where we have supplied our grade 347H stainless steel High Temperature pipes in bulk or small orders. Cities from metropolitan to rural areas we can provide SS 347 High Temperature pipes to satisfy the needs of our clients.
Busan, Petaling Jaya, Secunderabad, Ernakulam, Kanpur, Lahore, Nashik, Riyadh, Chandigarh, Moscow, Manama, Doha, Gurgaon, Perth, Colombo, Tehran, Vung Tau, Mumbai, Rio de Janeiro, Karachi, Faridabad, Brisbane, Calgary, Abu Dhabi, Visakhapatnam, Vadodara, Hanoi, Montreal, Bhopal, New York, Navi Mumbai, Madrid, Ahvaz, Ludhiana, Jeddah, Algiers, Thane, Pune, Caracas, Granada, Kuwait City, Mumbai, Howrah, Coimbatore, Dammam, Melbourne, Geoje-si, Dallas, Houston, Santiago, Cairo, Surat, Toronto, Ahmedabad, Courbevoie, Dubai, Hong Kong, Milan, Bangkok, Haryana, Los Angeles, Nagpur, Jakarta, Ankara, Chiyoda, Singapore, Muscat, La Victoria, Al Jubail, Chennai, Al Khobar, Jamshedpur, Istanbul, Atyrau, Bogota, Pimpri-Chinchwad, Ulsan, Aberdeen, Jaipur, Edmonton, Ho Chi Minh City, London, Kuala Lumpur, Kolkata, Bengaluru, Baroda, Ranchi, Mexico City, Thiruvananthapuram, Sydney, Hyderabad, Lagos, Seoul, New Delhi, Indore, Gimhae-si, Port-of-Spain, Noida, Sharjah, Rajkot.
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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