- sales@mariapipes.com
- Kuala lumpur, Malaysia
Home > Stainless Steel > Stainless steel 304H Seamless Tubing
Maria Pipes and Tubes, located in Kuala Lumpur, Malaysia, has earned a solid reputation as a reliable manufacturer and supplier of precision stainless steel tubing. Their Stainless Steel 304H Seamless Tubing is specifically designed to withstand high temperatures while offering exceptional durability in tough operational settings. These tubes are crafted in accordance with international standards like ASTM A213 / ASME SA213 and come in a variety of shapes—round, square, rectangular—and finishes such as annealed, pickled, polished, and bright annealed, ensuring they not only perform well but also look great.
Stainless Steel 304H Seamless Tubing is a high-carbon austenitic alloy that features 18–20% chromium, 8–10.5% nickel, and up to 0.10% carbon. This unique composition significantly boosts its creep resistance and high-temperature performance when compared to standard 304 grades. With impressive mechanical properties, it boasts a tensile strength of around 515 MPa, a yield strength of about 205 MPa, and an elongation of up to 40%, making it a reliable choice for structural applications under heat and stress.
Tube Range : 6.35 mm OD – 101.6 mm OD, Guage: 20 SWG – 10 SWG
Outer Diameter : 3.00 mm – 219.10 mm
Wall Thickness : 0.40 mm – 12.70 mm
Schedules : 5, 10S, 10, 30, 40S, 40, 80, 80S, XS, 160, XXH
Length : Upto 30 meters, Custom Cut Lengths
Specifications : ASTM A213 / ASTM SA213
Types : Round, Square, Rectangle, Coil, “U” Shape, Hydraulic & Honed Tubes
| SS | 304H |
|---|---|
| Ni | 8 – 11 |
| Fe | Balance |
| Cr | 18 – 20 |
| C | 0.04 – 0.10 |
| Si | 0.75 max |
| Mn | 2 max |
| P | 0.045 max |
| S | 0.030 max |
| N | – |
| Grade | 304H |
| Tensile Strength (MPa) min | 515 |
| Yield Strength 0.2% Proof (MPa) min | 205 |
| Elongation (% in 50mm) min | 40 |
| Hardness | |
| Rockwell B (HR B) max | 92 |
| Brinell (HB) max | 201 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
This type of tubing is widely utilized in industries where thermal resilience and corrosion resistance are essential. You’ll find it in superheaters and reheaters in power plants, as well as in boilers, heat exchangers, and condensers used in chemical and petrochemical processing. Additionally, it’s highly regarded in the food, pharmaceutical, and architectural sectors for its hygienic surface, strength, and ability to endure high temperatures over time.
Maria Pipes and Tubes, one of the largest suppliers of Stainless Steel 304H Seamless Tubing in Kuala lumpur, Malaysia, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
Yes, we offer custom sizes for Stainless Steel 304H Seamless Tubing to meet your specific requirements. Our team at Maria Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@mariapipes.com.
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 304H | S30409 | 304S51 | – | 1.4948 | X2CrNi19-11 | – | – |
Stainless Steel 304H Seamless Tubing is extensively used in industries that require materials to withstand high temperatures and corrosive environments. Common applications include the petrochemical and oil and gas industries, where it is utilized in pipelines, reactors, and heat exchangers. Its high strength and durability also make it suitable for power generation systems, including boiler tubes and superheaters. Additionally, 304H tubing is used in food processing and pharmaceutical applications, where sanitary conditions are crucial. Its versatility and reliability make it an ideal choice for various demanding applications across multiple sectors.
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