Marzouk Steel, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of high-quality steel products, serving industries that demand durability, precision, and performance. Among its specialized offerings is Alloy Steel T23 Tubing, engineered for high-pressure, high-temperature, and mechanically demanding applications. Manufactured with advanced technology and stringent quality control, T23 tubing ensures consistent strength, dimensional accuracy, and long-term reliability. Marzouk Steel provides engineers and fabricators with a dependable material suitable for power generation, petrochemical, and industrial systems, where safety, efficiency, and operational performance are essential.
Alloy Steel T23 Tubing is a chromium-molybdenum-nickel (Cr-Mo-Ni) alloy steel designed for exceptional high-temperature strength, creep resistance, and thermal stability. Its chemical composition includes carbon, chromium, molybdenum, and nickel, enhancing tensile and yield strength, impact resistance, and fatigue performance. T23 tubing responds well to heat treatment, optimizing hardness, toughness, and mechanical properties. With excellent dimensional stability and durability under high-pressure and high-temperature conditions, T23 tubing maintains structural integrity, making it ideal for demanding industrial, mechanical, and power generation applications.
| SA213 T23 Tube Standard | ASTM A213 T23, SA213 T23 (with IBR Test Certificate) |
|---|---|
| SA213 T23 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 T23 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 T23 Tube Thickness | 3-12mm |
| SA213 T23 Tube Origin | European, Japanese, Korean, US, Russian, Indian (Strictly No Chinese Material) |
| SA213 T23 Tube Tolerance | Cold drawn pipe: +/-0.1mm Cold rolled pipe: +/-0.05mm |
| Craft | Cold rolled and Cold drawn |
| SA213 T23 Tube Type | Seamless / ERW / Welded / Fabricated |
| SA213 T23 Tube available in Form of | Round, Square, Rectangular, Hydraulic Etc. |
| SA213 T23 Tube Length | Standard Double & In Cut length also. |
| SA213 T23 Tube End | Plain End, Beveled End, Treaded |
| Specialized in | ASME SA213 T23 Boiler Tube, SA213 T23 Heater Tube, SA213 T23 Heat Exchanger Tube |
| SA213 gr T23 Additional Testing | NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc. |
| SA213 grade T23 Tube Application | Seamless Ferritic Alloy Steel Tube for High-Temperature Service |
| Grade | C≤ | Mn | P≤ | S≤ | Si≤ | Mo |
|---|---|---|---|---|---|---|
| T23 | 0.04~0.10 | 0.1~0.6 | 0.03max | 0.01 max | 0.5 max | 0.05~0.30 |
| Grade | Tensile Strength, MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
|---|---|---|---|---|
| T23 | 510 min | 400 min | 20 min | 220 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 T23 Tubing in Tunis, Tunisia. We offer premium steel materials and a wide range of products, including Alloy Steel, Carbon Steel, Mild Steel, and Galvanized Steel. Our extensive inventory includes Tubes, Pipes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. Committed to timely delivery and exceptional customer service, we utilize only the finest raw materials to ensure superior performance in industrial applications with demanding specifications. Contact us today for all your Alloy Steel T23 Tubing needs!
Alloy Steel T23 Tubing is widely used in industries that require strength, temperature resistance, and long-term reliability. It is commonly applied in boilers, heat exchangers, high-pressure pipelines, and critical components in power plants, petrochemical facilities, and industrial machinery. T23 tubing is engineered to withstand extreme temperatures, high pressures, and repeated stress cycles while maintaining structural integrity and performance. Engineers and fabricators rely on T23 tubing for critical applications where safety, efficiency, and long-term durability are essential. Its combination of toughness, thermal stability, and mechanical strength ensures reliable operation in demanding industrial and mechanical systems.
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.
Copyright 2025 Marzouk Steel. All rights reserved
