Marzouk Steel, located in Tunis, Tunisia, is a trusted manufacturer and supplier of high-quality steel products, delivering materials that combine precision, strength, and durability. Among its specialized offerings is Alloy Steel T5 Tubing, designed for high-pressure and high-temperature applications where reliability is critical. Produced with advanced manufacturing technology and strict quality control, T5 tubing ensures consistent dimensional accuracy, mechanical performance, and long-term durability. Marzouk Steel provides engineers and fabricators with a dependable material suitable for power generation, petrochemical, and industrial systems, where safety, efficiency, and performance are essential.
Alloy Steel T5 Tubing is a chromium-molybdenum-vanadium (Cr-Mo-V) alloy steel engineered for exceptional strength, toughness, and creep resistance at elevated temperatures. Its chemical composition includes carbon, chromium, molybdenum, and vanadium, providing superior tensile and yield strength, impact resistance, and thermal stability. The tubing responds well to heat treatment, allowing optimization of hardness and mechanical properties. With excellent dimensional stability and fatigue resistance, T5 tubing maintains structural integrity under high-pressure and high-temperature conditions, making it ideal for demanding industrial and mechanical applications.
| SA213 T5 Tube Standard | ASTM A213 T5, SA213 T5 (with IBR Test Certificate) |
|---|---|
| SA213 T5 Tube Specifications | ASTM A213 & ASTM A209 (T1 , Ta, T1b) BS/3059/90/PartII/620 & 622 DIN/17175/13CrMo44 DIN/17175/10CrMo910 DIN/17175/15Mo3 |
| SA213 T5 Tube Size | 6.35 mm OD to 101.6 mm OD |
| Sch. & Swg. | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg., 3.6 mm Thk |
| SA213 T5 Tube Thickness | 3-12mm |
| SA213 T5 Tube Origin | European, Japanese, Korean, US, Russian, Indian (Strictly No Chinese Material) |
| SA213 T5 Tube Tolerance | Cold drawn pipe: +/-0.1mm Cold rolled pipe: +/-0.05mm |
| Craft | Cold rolled and Cold drawn |
| SA213 T5 Tube Type | Seamless / ERW / Welded / Fabricated |
| SA213 T5 Tube available in Form of | Round, Square, Rectangular, Hydraulic Etc. |
| SA213 T5 Tube Length | Standard Double & In Cut length also. |
| SA213 T5 Tube End | Plain End, Beveled End, Treaded |
| Specialized in | ASME SA213 T5 Boiler Tube, SA213 T5 Heater Tube, SA213 T5 Heat Exchanger Tube |
| SA213 gr T5 Additional Testing | NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc. |
| SA213 grade T5 Tube Application | Seamless Ferritic Alloy Steel Tube for High-Temperature Service |
| Grade | C≤ | Mn | P≤ | S≤ | Si≤ | Mo |
|---|---|---|---|---|---|---|
| T5 | 0.15 | 0.30~0.60 | 0.025 | 0.025 | 1.0-2.0 | 0.45~0.65 |
| T5b | 0.15 max | 0.30~0.60 | 0.025 | 0.025 | 1.0-2.0 | 0.45~0.65 |
| T5c | 0.12 max | 0.30~0.60 | 0.025 max | 0.025 max | 0.50 max | 0.45~0.65 |
| Grade | Tensile Strength, MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
|---|---|---|---|---|
| T5 | 415 min | 205 min | 30 min | 179 max |
| T5b | 415 min | 205 min | 30 min | 179 max |
| T5c | 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 T5 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 T5 Tubing needs!
Alloy Steel T5 Tubing is widely used in industries where strength, durability, and high-temperature resistance are essential. It is commonly applied in boilers, heat exchangers, high-pressure pipelines, and components in power plants, petrochemical facilities, and heavy industrial machinery. T5 tubing is engineered to withstand extreme temperatures, high pressures, and repeated stress cycles while maintaining structural integrity. Engineers and fabricators rely on T5 tubing for critical applications requiring consistent performance, long-term reliability, and safety. Its combination of toughness, thermal stability, and fatigue resistance ensures dependable operation in demanding industrial and mechanical 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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