Stainless Steel 304H Seamless Tubes Stockist & Exporter in India – ASTM A213 TP304H SS Seamless Tubing Supplier
Trusted and recognized name in the stainless steel industry
Manufacturer and supplier of ASTM A213 Austenitic Stainless Steel 304H Tubes, ASME SA213 SS TP304H Seamless Tubing
Austenitic Stainless Steel TP304H Seamless Tubes
The ASTM A213 304H Stainless Steel Seamless Tube is widely used in applications where both corrosion resistance and elevated temperature strength are critical. Stainless steel 304H is specifically designed with higher carbon content to enhance strength at high temperatures, making it suitable for heat exchangers, boilers, and superheater applications. It offers excellent resistance to oxidation and corrosion while maintaining structural integrity under demanding service conditions.
Stainless steel tubes are also preferred for their clean surface finish and ease of maintenance, providing both functional performance and aesthetic appeal. With advanced manufacturing techniques, these tubes can be easily fabricated, welded, machined, and formed to meet diverse industrial requirements. Their long service life and low maintenance requirements make them a cost-effective solution when considering total lifecycle performance. Additionally, 304H grade demonstrates excellent resistance to scaling and retains strength at elevated temperatures due to its balanced chemical composition.
The tubes are manufactured in accordance with standards such as ASTM A213, ASTM A269, ASTM A358, and ASME SA213. They are available in various types including seamless, welded, ERW, and fabricated forms. Common shapes include round, square, and hydraulic tubes, with lengths supplied as single random, double random, or cut lengths. The ASTM A213 304H Stainless Steel Seamless Tube is typically supplied with plain, beveled, or threaded ends depending on application requirements.
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Standard Specification for ASTM A213 / ASME SA213 SS 304H Seamless Tubes
| Specification | ASTM A213 / ASME SA213 |
| Standard | ASTM, ASME and API |
| Size | 1 / 8" NB - 24" NB |
| Types | Seamless - Hot Rolled / Cold Drawn |
| Length | Single Random, Double Random & Required Length |
| Outer Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB |
| Thickness | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Types | Seamless / Cold Drawn / Hot Finish / Cold Finish |
| Form | Round Tubes, Square Tubes, Rectangular Tube, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes |
| End | Plain End, Beveled End, Treaded |
