Home > Stainless Steel > Stainless steel 304H Welded Tubing
Maria Pipes and Tubes, located in Kuala Lumpur, Malaysia, has built a solid reputation as a manufacturer and supplier of top-quality stainless steel products. Their Stainless Steel 304H Welded Tubing is specially designed for high-temperature applications, offering a perfect blend of strength, corrosion resistance, and cost-effective welded construction. Crafted to meet international quality standards, this tubing is perfect for sectors like power generation, oil and gas, chemical processing, and heat exchanger applications. With advanced fabrication techniques and rigorous quality control, Maria Pipes and Tubes guarantees reliable performance for their products.
Stainless Steel 304H Welded Tubing consists of 18–20% chromium and 8–12% nickel, featuring a higher carbon content (0.04–0.10%) than standard 304. This increased carbon content boosts its strength at high temperatures and enhances creep resistance, making 304H an excellent choice for structural applications in high-heat environments. The tubing boasts impressive mechanical properties, with tensile strength reaching up to 585 MPa and good oxidation resistance, especially in service conditions up to 800–900°C.
| Specifications | : | ASTM A/ASME SA213/ A269/ A249 |
| Dimensions | : | ASTM, ASME and API |
| SS 304H Tubing Size | : | 1/8″ NB TO 30″ NB IN |
| Thickness | : | 0.35mm to 6.35mm OD in thickness ranging from 0.1mm to 1.2mm. |
| Type | : | Seamless / ERW / Fabricated / Welded / LSAW Tubes |
| Schedule | : | SCH20, SCH30, SCH40, XS, SCH60, STD, SCH80, SCH80, SCH120, SCH140, SCH160, XXS |
| Length | : | Single Random, Double Random & Cut Length. |
| Form | : | Round, Square, Rectangular, Hydraulic. |
| End | : | Plain End, Beveled End, Treaded |
| 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 % |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 304H Welded Tubing is commonly utilized in high-temperature settings like boilers, heat exchangers, superheaters, and pressure vessels. Its remarkable resistance to heat, pressure, and corrosive environments makes it ideal for petrochemical and refinery systems. The welded design not only provides cost benefits for large-scale systems but also ensures strength and dimensional accuracy. This tubing promises a long service life, ease of fabrication, and consistent performance under thermal and mechanical stress conditions.
Maria Pipes and Tubes is the largest supplier of Stainless Steel 304H Welded Tubing in Kuala lumpur, Malaysia. Known for its high-quality products. We offer superior corrosion resistance, strength, and durability. Trusted by industries worldwide they provide reliable precision-engineered tubing for various applications and project needs.
| STANDARD | WERKSTOFF NR. | UNS |
| SS 304H | 1.4948 | S30409 |
Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
304H | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
Yes, Maria Pipes and Tubes offer large custom designs for Stainless Steel 304H Welded Tubing. With design, wall thickness and length. Their adjustable options ensure the tubing meets specific application requirements. This flexibility makes it more efficient and reliable for different industries and environments. For more details, contact us at sales@mariapipes.com.
Stainless Steel 304H Welded Tubing is primarily used in high-temperature environments due to its enhanced strength and heat resistance. It is widely employed in power generation, particularly in boilers and heat exchangers, where it withstands high pressures and temperatures. In chemical processing plants, it handles corrosive fluids and gases, making it ideal for reactors and piping systems. Additionally, it is used in oil refineries, gas processing units, and furnace components, offering excellent durability and performance in high-stress, high-heat applications across various industries.
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