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Home > Stainless Steel > Stainless steel 304H Welded Tubing
At Samia Pipes and Tubes, based in Tunis, Tunisia, we manufacture and supply premium Stainless Steel 304H Welded Tubing designed for high-temperature and pressure-demanding applications. The 304H grade contains higher carbon content, which enhances strength and creep resistance at elevated temperatures while maintaining excellent corrosion resistance. Manufactured using advanced welding techniques, the tubing offers consistent wall thickness, dimensional accuracy, and reliable performance. Produced under strict quality control and in compliance with international standards, our welded tubing is trusted across various industries. Samia Pipes and Tubes delivers welded tubing solutions that ensure durability, safety, and long-term reliability in demanding service environments.
Stainless Steel 304H Welded Tubing is an austenitic stainless steel composed mainly of iron, chromium (18–20%), and nickel (8–11%), with higher carbon content to improve high-temperature strength. This composition provides good oxidation resistance, toughness, and creep resistance at elevated temperatures. Typical tensile strength ranges from 515–620 MPa, with yield strength of approximately 205–310 MPa. Welded construction ensures uniform wall thickness, dimensional consistency, and dependable mechanical performance under thermal and mechanical stress conditions.
| 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 Samia 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.
Samia Pipes and Tubes is the largest supplier of Stainless Steel 304H Welded Tubing in Tunis, Tunisia. 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, Samia 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@samiapipes.com.
Stainless Steel 304H Welded Tubing is widely used in industries requiring strength and stability at elevated temperatures. Common applications include heat exchangers, boilers, superheaters, petrochemical processing units, refineries, and power generation systems. Its higher carbon content makes it suitable for prolonged service in high-temperature environments where mechanical integrity is critical. These tubes are also used in chemical plants handling moderate corrosive media under heat and pressure. Samia Pipes and Tubes supplies 304H welded tubing that ensures long service life, operational safety, and consistent performance in demanding industrial environments.
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