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Home > Stainless Steel > Stainless steel 304H Welded Tubing
Ojas Pipes and Tubes, located in Kolkata, India, has built a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 304H Welded Tubing. Known for their commitment to quality, durability, and precision engineering, Ojas caters to various sectors, including power generation, petrochemicals, and thermal processing. The Stainless Steel 304H variant is a high-carbon version of 304, which provides enhanced strength and creep resistance at higher temperatures. By utilizing cutting-edge welding technology and strict quality control measures, Ojas ensures that their tubing meets international standards, delivering dependable performance for critical high-temperature applications in industrial settings.
Stainless Steel 304H Welded Tubing is composed of 18–20% chromium, 8–11% nickel, and a higher carbon content ranging from 0.04–0.10%, which boosts its strength and creep resistance under high temperatures. It typically boasts a tensile strength of about 585 MPa, a yield strength of 240 MPa, and an elongation of roughly 40%. The welded design guarantees uniformity, structural integrity, and smooth finishes. Additionally, 304H tubing is known for its excellent resistance to oxidation and scaling in high-temperature environments, making it a strong choice for demanding, high-heat systems that require both strength and corrosion resistance.
| 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.
Choose Stainless Steel 304H Welded Tubing from Ojas Pipes and Tubes for exceptional corrosion resistance, superior strength and excellent durability. Ideal for a variety of industrial applications it provides outstanding performance in harsh environments. With precision manufacturing and quality assurance, we ensure reliable and durable tubing solutions.
Ojas Pipes and Tubes is the largest supplier of Stainless Steel 304H Welded Tubing in Kolkata, India. 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, Ojas 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@ojaspipesandtubes.co.in.
Stainless Steel 304H Welded Tubing finds extensive use in high-temperature and high-pressure applications across a range of industries. It’s perfect for boilers, superheaters, heat exchangers, and pressure vessels in power plants and chemical processing facilities. Thanks to its strength and resistance to oxidation, it’s also suitable for refinery equipment, thermal processing plants, and furnace components. The tubing’s superior mechanical performance at elevated temperatures ensures reliable operation in systems that experience thermal cycling and continuous heat exposure. Moreover, it’s utilized in various structural applications.
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