Adinox Overseas is a worldwide renowned supplier and exporter of Stainless Steel 347 Pipes, providing high-quality solutions for industries demanding superior resistance to intergranular corrosion and high-temperature strength. Stainless Steel 347 is a columbium-stabilized austenitic stainless steel having superior intergranular resistance and excellent resistance to chromium carbide precipitation due to the addition of columbium as a stabilizer. It finds extensive application in those areas where temperatures remain above 800°F (427°C), like in heat exchangers, chemical processing equipment, and high-pressure steam lines.
Our SS 347 Pipes are produced as per global quality standards namely ASTM A312, A213, A269 and equivalent specifications. Adinox Overseas delivers the same in seamless, welded, ERW and fabricated conditions as per clients'' requirements. These pipes resist scaling well and contain good mechanical properties even at high temperature. The addition of niobium (columbium) renders SS 347 resistant to welding and hence resistance against intergranular corrosion and serves as a guarantee of long term reliability in service.
The Stainless Steel 347 Pipes supplied by Adinox Overseas are designed through advanced manufacturing methods and high-purity materials. These pipes undergo strength testing, dimensional inspection for accuracy, corrosion resistance testing, and pressure testing to guarantee they perform exceptionally in challenging industrial conditions. These stainless steel 347 pipes are supplied in a range of sizes, wall thickenesses, and lengths to suit the unique requirements of our worldwide customers.
The resistance of SS 347 tubing to polythionic acid stress corrosion cracking and durability at continuous operation in conditions of temperature up to 900°C make it a material of preference in harsh operating conditions. Clients trust us for reliable 347 stainless steel tubing solutions according to their requirements and requirements and performance standards.
| Specifications | ASTM A213, A312, A269, A358 / ASME SA213, SA312, SA269, SA358 |
|---|---|
| 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 |
| Thickness Range | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Form | Round Tubes, Square Tubes, Rectangular Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils, Hydraulic Tubes |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Beveled End, Treaded |
| Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Tubes, Finish as per customer Requirements |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| C | Cr | Ni | Mo | N | Others |
|---|---|---|---|---|---|
| 0.020 | 25 | 7 | 4.0 | .27 | S=0.001 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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