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304H Stainless Steel Tubes, also known as high carbon steel tubes, are specifically designed to offer enhanced strength at elevated temperatures. These tubes are ideal for use in heat exchangers, pressure vessels, and structural applications. Preston Pipes & Alloys is a trusted supplier of 304H stainless steel tubes, known for delivering consistent quality and reliable performance. 304H SS tubes are often used for constructing purposes, plumbing cars, chemical containers, food processing equipment, kitchen appliances, as well as construction projects. It works well in woven or welded screens that are used for mining, quarrying, and filtering water. SS 304H tubes provide durable performance in demanding conditions as it has exceptional corrosion resistance, endurance and elevated temperature strength.
UNS S30409 Square Tube combines strong chemical composition and reliable mechanical performance. Its composition includes elements like carbon, manganese, silicon, phosphorus, sulfur, chromium, and nickel. These elements help improve resistance to corrosion and high-temperature oxidation. Mechanically, SS 304H Tubes offer good strength and stretch before breaking. These tubes provide high yield and tensile strength with solid elongation and hardness. It is appropriate for applications where heat, strength and accuracy, are essential due to their steady density, electrical resistivity and thermal conductivity.
There are various forms of ASTM A249 TP304H SS tubing, such as seamless, ERW, welded, fabricated and LSAW. We offer customized choices available and sizes range from 1/8" NB to 30" NB. Tube thickness goes from 0.35mm to 6.35mm and outer diameters range from 0.1mm to 1.2mm. Lengths include single random, double random, and custom cut. Forms include round, square, rectangular and hydraulic tubes with plain, beveled, or threaded ends. These flexible specs allow easy fit across industries, from process piping to structural use.
Each of our tubes meets rigorous quality inspections and tests before shipping. Tubes are tested for strength, chemical composition, dimensional accuracy, and corrosion resistance. In accordance with international standards, tubes are packaged using end caps, bubble wrap or wooden crates to prevent damage during delivery. As a reliable stockist of 304H stainless steel tubes, we make sure of safe and timely delivery.
| 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, Gauge: 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 to 12.7 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 304H Seamless Tube
SS 304H Welded Tube
SS 304H ERW Tube
SS 304H EFW Tube
SS 304H Round Tube
SS 304H Square Tube
SS 304H Rectangular Tube
SS 304H Polished Tube
Contact Preston Pipes and Alloys for best offer & competitive
quotation of Stainless Steel 304H Tube
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 304H | 0.10 max | 2.0 max | 0.75 max | 0.045 max | 0.03 max | 18 – 20 | - | 8 – 10.5 | - |
| 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 | 40 % |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 304H | 1.4301 | S30409 |
