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SS 347H Tubes Suppliers, ASTM A249 TP 347H ERW Tube, ASTM A213, A249 TP347H Seamless, Welded, ERW Tubes, ASTM A249 TP 347H Tube Supplier in Mumbai India.
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Preston Pipes & Alloys is a top stainless steel 347H tube supplier, offering dependable and high-performance tubing solutions. Stainless Steel 347H tubes are stabilized austenitic stainless steel tubes that are resistant to corrosion and heat, making them ideal for high-temperature applications. These tubes are composed of stainless steel, nickel, chromium, carbon, nitrogen, molybdenum, silicon, sulfur, phosphorus, and magnesium. Due to their stable composition, they withstand environments with frequent thermal cycling. Stainless Steel 347H tubes is used in chemical processing, oil refineries, heat exchangers and power plants.
Stainless Steel TP 347H Seamless tube delivers solid mechanical strength and long-term durability. It has a tensile strength of 515 MPa and a yield strength of 205 MPa. The hardness reaches up to 201 Brinell, allowing it to handle pressure and heat effectively. UNS S34709 Round tube is also highly resistant to creep and stress rupture. Its main characteristics are strong weldability, good formability, and resistance to intergranular corrosion, particularly after welding.
We supply stainless steel 347H tubes in a wide range of specifications. ASTM A312 347H Seamless options are available with outer diameters from 4 to 219mm and wall thicknesses from 0.5 to 20mm. Welded and EFW tube come in sizes ranging from 5.0 to 1219.2mm. These tubes are offered in round, square, and rectangular forms. Lengths can be single random, double random, or custom lengths. End types include plain, threaded, and beveled. Tube conditions range from hot finished and annealed to polished and cold drawn depending on project needs.
Each stainless steel 347H tube goes through strict quality checks and mechanical tests to ensure performance and reliability. We follow industry standards like ASTM A312/ASME SA 312 TP 347H during production. Tubes are securely packed in wooden boxes or bundles to prevent damage during shipping. Timely delivery and safe handling are part of our service commitment. As a trusted Stainless Steel 347H Tube stockist, we make sure our products meet expectations from order to delivery. Get high-quality tubes built for strength and reliability.
| Specifications | ASTM A213, A249, A270 / ASME SA213, SA249, SA270 |
| Standard | ASTM, ASME and API |
| Seamless Tubes Range | 1/2" OD - 12" OD |
| Welded Tubes Range | 1/2" OD - 12" OD, Guage: 25 SWG - 10 SWG |
| Outside Diameter | 3.00 mm - 219.10 mm, 6.35 mm O.D to 114.3 mm O.D |
| Length | Single Random, Double Random & Required Length |
| Thickness | 0.40 mm - 12.70 mm, 0.8 mm to12.7 mm |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH120, SCH140, SCH160, XXS |
| Type | Seamless, Welded, ERW |
| Form | Round Tubes, Square Tubes, Rectangular Tube |
| End | Plain End, Beveled End, Treaded |
SS 347H Seamless Tube
SS 347H Welded Tube
SS 347H ERW Tube
SS 347H EFW Tube
SS 347H Round Tube
SS 347H Square Tube
SS 347H Rectangular Tube
SS 347H Polished Tube
Contact Preston Pipes and Alloys for best offer & competitive
quotation of Stainless Steel 347H Tube
| Grade | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
| 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 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN |
| SS 347H | 1.4961 | S34709 | SUS 347H | - | X6CrNiNb18-12 |
