Mitchell Stainless is a well-respected manufacturer and supplier of top-notch Stainless Steel 347 Tubing based in Hamilton, New Zealand. They cater to a variety of industrial sectors with precision-engineered solutions. Renowned for their dedication to quality, the company provides tubing that excels in tough environments where high-temperature stability is crucial. With state-of-the-art manufacturing facilities, rigorous quality checks, and a strong focus on customer satisfaction, Mitchell Stainless guarantees that every product meets international standards. Their Stainless Steel 347 Tubing is a popular choice due to its durability, resistance to corrosion, and outstanding mechanical strength. Whether it’s for chemical processing, power generation, or structural uses, Mitchell Stainless delivers dependable and efficient tubing solutions.
Stainless Steel 347 Tubing is enhanced with niobium (columbium), which boosts its resistance to intergranular corrosion and high-temperature oxidation. Typically, its composition features chromium, nickel, and trace elements that help maintain structural stability during welding and extended heat exposure. The tubing showcases impressive mechanical properties, such as high tensile strength, good creep resistance, and remarkable toughness at elevated temperatures. Its ability to resist carbide precipitation makes it perfect for environments with thermal cycling. Mitchell Stainless ensures a precise chemical balance and thorough testing, providing tubing that consistently performs well in demanding industrial settings.
| Specifications | : | ASTM A/ASME SA249/A269/A270 |
| Dimensions | : | ASTM, ASME, and API |
| SS 304H Tubes Size | : | 1/8″NB TO 30″NB IN |
| Thickness | : | 1mm to 20mm, SCH 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S as per ANSI B36.19/36.10 |
| Finish | : | BA Finish inside and outside, Electropolished finish inside and outside |
| Type | : | Electropolished Pipes & Tubes |
| Form | : | Round, Square, Rectangular, Hydraulic Etc |
| Length | : | Up to 6 meters, custom cut lengths |
| 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 |
| 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 % |
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We sets high standards regarding quality for stainless steel 347 tubing through multiple testing and evaluation procedures. Inspections are extensive and include determination of chemical compositions, mechanical testing, and testing by non-destruction methods on every product. Mitchell also offers full documentation in the form of Mill Test Certification.
Offering excellent corrosion resistance, Stainless Steel 347 Seamless Tubing is known for its uniformity and strength. It typically comes in sizes ranging from 6mm to 350mm in diameter and lengths of up to 6 meters. Ideal for applications requiring high pressure and corrosive resistance.
Stainless Steel 347 Welded Tubing provides superior resistance to chloride-induced stress corrosion cracking. Available in sizes from 10mm to 150mm in diameter and standard lengths of 6 meters. It is often used in industrial and chemical processing applications where weld strength is critical.
Featuring outstanding corrosion resistance, Stainless Steel 347 Heat Exchanger Tubes are used in demanding environments. Sizes typically range from 6mm to 50mm in diameter, with wall thickness varying from 1mm to 3mm. These tubes are designed for high temperature and pressure conditions.
Stainless Steel 347 Instrumentation Tubing offers excellent resistance to corrosion and is ideal for precise measurement systems. Common sizes include 1/8″ to 1/2″ in diameter and lengths up to 6 meters. It is suitable for high-pressure applications and harsh environments.
With superior resistance to both oxidation and corrosion, Stainless Steel 347 Boiler Tubes are used in high-pressure steam applications. Sizes typically range from 25mm to 100mm in diameter, with lengths of up to 6 meters. They are essential for maintaining efficiency in boiler systems.
Stainless Steel 347 U-tubes provide excellent resistance to corrosive fluids and are commonly used in heat exchangers. Standard sizes range from 10mm to 100mm in diameter with various lengths. They are designed to handle thermal expansion and contraction in dynamic environments.
Stainless Steel 347 Condenser Tubes are used in marine and power generation applications, offering exceptional resistance to seawater and acidic environments. Sizes typically range from 10mm to 50mm in diameter and lengths up to 6 meters, providing durability and efficiency.
Stainless Steel 347 Fin Tubes are designed for enhanced heat transfer and corrosion resistance in air-cooled heat exchangers. They are available in various diameters, commonly 25mm to 50mm, with fin lengths customizable to specific requirements, ensuring effective cooling in challenging environments.
Mitchell Stainless’s Stainless Steel 347 Tubing is extensively utilized in industries where high-temperature performance and corrosion resistance are vital. It’s commonly found in chemical processing plants, petroleum refining, and power generation systems, especially in heat exchangers, boilers, and superheater tubes. Its stability during welding makes it an excellent choice for piping systems that face thermal stress. Additionally, the tubing is also employed in aerospace applications, where reliability and performance are paramount.
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