Marzouk Steel, based in Tunis, Tunisia, is a trusted manufacturer and supplier of high-quality steel products, serving industries that demand performance, precision, and reliability. Among its specialized offerings is Alloy Steel T9 Tubing, designed for high-pressure, high-temperature, and mechanically demanding applications. Manufactured using advanced technology and stringent quality control, T9 tubing ensures consistent strength, dimensional accuracy, and long-term durability. Marzouk Steel provides engineers and fabricators with a reliable material suitable for power generation, petrochemical, and industrial systems, where safety, efficiency, and performance are critical.
Alloy Steel T9 Tubing is a chromium-molybdenum-vanadium (Cr-Mo-V) alloy steel engineered for superior high-temperature strength, toughness, and creep resistance. Its chemical composition includes carbon, chromium, molybdenum, and vanadium, enhancing tensile and yield strength, impact resistance, and thermal stability. T9 tubing responds effectively to heat treatment, optimizing hardness and mechanical properties. With excellent fatigue resistance and dimensional stability, T9 tubing maintains structural integrity under demanding high-pressure and high-temperature conditions, making it ideal for industrial, mechanical, and power generation applications.
| ASTM A213 T9 Specification & Standard | ASTM A213 T9, ASME SA213 T9 (with IBR Test Certificate) |
|---|---|
| SA 213 Gr T9 Specification | ASTM A213 & ASTM A209 BS/3059/ 90/ Part II/ 620 & 622 DIN/ 17175/ 13CrMo44 DIN/ 17175/ 10CrMo910 DIN/ 17175/ 15Mo3 |
| T9 Steel Tube Sch. & Swg. | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg., 3.6 mm Thk |
| A213 Grade T9 Tubing Size | 6.35 mm OD to 101.6 mm OD |
| SA213 Grade T9 Pipe Thickness | 3-12mm |
| ASTM A213 Grade T9 Tube available in Form of | Round, Square, Rectangular, Hydraulic Etc. |
| Craft | Cold rolled and Cold drawn |
| SA213 Grade T9 Tube Type | Seamless / ERW / Welded / Fabricated |
| A213 Grade T9 Tube Tolerance | Cold drawn pipe: +/-0.1mm Cold rolled pipe: +/-0.05mm |
| T9 Steel Grade Material Origin | European, Japanese, Korean, US, Russian, Indian (Strictly No Chinese Material) |
| SA213 T9 Steel Tube Length | Standard Double & In Cut length also. |
| T9 Steel Grade Tube End | Plain End, Beveled End, Treaded |
| SA213 Grade T9 Additional Testing | NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, etc. |
| Specialized in |
|
| SA213 T9 Steel Tube Application & uses | Seamless Ferritic Alloy Steel Tube for High-Temperature Service |
| Grade | C≤ | Mn | P≤ | S≤ | Si≤ | Mo |
|---|---|---|---|---|---|---|
| SA213 T9 Composition |
0.15 max |
0.30~0.60 |
0.025 |
0.025 |
0.25-1.0 |
0.90~1.10 |
| Grade | Tensile Strength, MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
|---|---|---|---|---|
| T9 | 415 min | 205 min | 30 min | 179 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 trusted manufacturer and supplier of premium Alloy Steel T5 Tubing in Tunis, Tunisia. We specialize in high-quality steel materials and offer a diverse 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. With a commitment to timely delivery and outstanding customer service, we use only the finest raw materials to ensure exceptional performance in demanding industrial applications. Contact us today for all your Alloy Steel T5 Tubing needs!
Alloy Steel T9 Tubing is widely used in industries requiring high strength, durability, and temperature resistance. It is commonly applied in boilers, heat exchangers, high-pressure pipelines, and critical components in power plants, petrochemical facilities, and industrial machinery. T9 tubing is engineered to withstand extreme temperatures, high pressures, and repeated stress cycles while maintaining structural integrity and reliable performance. Engineers and fabricators rely on T9 tubing for critical applications where long-term reliability, safety, and operational efficiency are essential. Its combination of toughness, thermal stability, and mechanical strength ensures dependable performance in demanding industrial 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.
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