Marzouk Steel, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of high-quality steel products, serving industries that require precision, durability, and reliability. Among its specialized offerings is Alloy Steel T1 Tubing, engineered for high-pressure, high-temperature, and mechanically demanding applications. Manufactured with advanced technology and strict quality control, T1 tubing ensures consistent strength, dimensional accuracy, and long-term performance. Marzouk Steel provides engineers and fabricators with a dependable material suitable for industrial, power generation, and mechanical systems, where safety, efficiency, and operational reliability are essential.
Alloy Steel T1 Tubing is a chromium-molybdenum (Cr-Mo) alloy steel designed to provide high strength, toughness, and thermal stability. Its chemical composition, including carbon, chromium, and molybdenum, ensures excellent tensile and yield strength, impact resistance, and dimensional stability. T1 tubing responds well to heat treatment, allowing optimization of hardness and mechanical properties. With strong fatigue resistance and durability under high-pressure and high-temperature conditions, T1 tubing is ideal for industrial, mechanical, and power generation applications requiring structural integrity and long-term reliability.
Alloy Steel T1 Seamless Tubes Specifications |
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| Specifications | : | ASTM A/ASME SA213, A691 |
| Dimensions | : | ASTM, ASME and API |
| Tubes Size | : | 1 / 2” OD up to 5” OD, customs diameters also available |
| Outer Diameter | : | 6-2500mm; WT:1-200mm |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | : | Seamless / EFW / Fabricated |
| Form | : | Round, Square, Rectangular, Hydraulic Etc |
| Length | : | Single Random, Double Random & Cut Length. |
| End | : | Plain End, Beveled End, Treaded |
|
Grade |
C≤ |
Mn |
P≤ |
S≤ |
Si≤ |
Mo |
|---|---|---|---|---|---|---|
|
T1 |
0.10~0.20 |
0.30~0.80 |
0.025 |
0.025 |
0.10~0.50 |
0.44~0.65 |
| Grade | Tensile Strength, MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
| T1 | 415 min | 205 min | 30 min | 163 max |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Outside Diameter | OD Tolerance | WT Tolerance | Ovality Tolerance | Cut Length Tolerance |
| OD≤ 12, 7 mm | ± 0, 13 mm | ± 15 % | – | + 3, 18 mm, – 0 mm |
| 12, 7 mm < OD ≤ 38, 1 mm | ± 0, 13 mm | ± 10 % | max, 1, 65 mm | + 3, 18 mm, – 0 mm |
| 38, 1 mm < OD ≤ 88, 9 mm | ± 0, 25 mm | ± 10 % | max, 2, 41 mm | + 4, 76 mm, – 0 mm |
Marzouk Steel is a leading manufacturer and distributor of high-quality Alloy Steel T1 Tubing in Tunis, Tunisia. We provide premium steel materials and a comprehensive range of products, including Alloy Steel, Carbon Steel, Mild Steel, and Galvanized Steel. Our extensive inventory features Tubes, Pipes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. Dedicated to timely delivery and exceptional customer service, we use only the finest raw materials to ensure superior performance in industrial applications with stringent requirements. Contact us today for all your Alloy Steel T1 Tubing needs!
Alloy Steel T1 Tubing is widely used in industries where strength, durability, and temperature resistance are critical. It is commonly applied in boilers, heat exchangers, high-pressure pipelines, and components in power plants, petrochemical facilities, and heavy industrial machinery. T1 tubing is engineered to withstand extreme temperatures, high pressures, and repeated stress cycles while maintaining structural integrity. Engineers and fabricators rely on T1 tubing for critical applications that demand consistent performance, safety, and long-term reliability. Its combination of toughness, thermal stability, and mechanical strength ensures efficient and durable operation in demanding industrial environments.
Marzouk Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Tunis, Tunisia.
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