Marzouk Steel is a midland leading manufacturer and supplier of top-quality steel products. Having years of experience, the company offers extensive steel solutions aimed at meeting requirements from various industries. Among the well-dependent products from the company is HFS Tubing, which is popularly known for being hard, flexible, and high-performing. we guarantees that HFS Tubing is manufactured to a high standard, offering dependable solutions for fluid transfer, HVAC systems, and other applications. Their focus on quality and customer satisfaction ensures that they are a supplier of choice in the industry.
HFS Tubing is generally made of high-grade stainless steel, which offers superior corrosion resistance, high-temperature resistance, and wear resistance. The material offers superior strength and durability, which makes it suitable for harsh applications. Mechanical properties are high tensile strength, usually between 500 MPa and 800 MPa, and good elongation, which provides flexibility without sacrificing strength. HFS Tubing also has outstanding pressure resistance, providing safe and reliable operation in fluid transfer, HVAC, and other industrial processes. Its durability in different environmental conditions makes it a reliable solution across different industries.
| Grade | Chemistry         %   | Yield | Tensile | Elongation | Typical Hardness | |
|               | PSI | PSI | % in 2″ section | Min | ||
| 1020 | Carbon | 0.18-0.23 | 32,000 | 50,000 | 25 | B-55 |
| MN | 0.30-0.60 | |||||
| P | 0.040 Max | |||||
| S | 0.050 Max | |||||
| 1026 | Carbon | 0.220-0.280 | 35,000 | 55,000 | 25 | B-60 |
| MN | 0.600-0.900 | |||||
| P | 0.040 Max | |||||
| S | 0.050 Max | |||||
| Wall Thickness Range as a Percent of Outside Diameter | % Over and Under Nominal Wall | |||||||
| OD up to 2.999″ | OD 3.00″- 5.999″ | OD 6.00″- 10.750″ | ||||||
| Walls Under 15% of nominal O.D. | 12.50% | 10.00% | 10.00% | |||||
| Walls Over 15% of nominal O.D. | 10.00% | 7.50% | 10.00% | |||||
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Nominal Wall Thickness | ||||||||||||||||||||
| DIA | SCH.5S | SCH.5 | SCH 10S | SCH.10 | SCH.20S | SCH.30 | SCH.40S | SCH.40 | SCH 60 | |||||||||||
| (A) | (B) | Meter MM | Wall Thk | Weight Kg/Mtr | Wall Thk | Weight Kg/Mtr | Wall Thk | Weight Kg/Mtr | Wall Thk | Weight Kg/Mtr | Wall Thk | Weight Kg/Mtr | Wall Thk | Weight Kg/Mtr | Wall Thk | Weight Kg/Mtr | Wall Thk | Weight Kg/Mtr | Wall Thk | Weight Kg/Mtr |
| 6 | 1/8 | 10.3 | 1 | 0.23 | Â | Â | 1.2 | 0.27 | Â | Â | 1.5 | 0.33 | Â | Â | 1.73 | 0.37 | Â | Â | Â | Â |
| 8 | 1/4 | 13.7 | 1.2 | 0.37 | Â | Â | 1.65 | 0.49 | Â | Â | 2 | 0.58 | Â | Â | 2.24 | 0.64 | Â | Â | Â | Â |
| 10 | 3/8 | 17.2 | 1.2 | 0.47 | Â | Â | 1.65 | 0.63 | Â | Â | 2 | 0.74 | Â | Â | 2.31 | 0.87 | Â | Â | Â | Â |
| 15 | 1/2 | 21.3 | 1.65 | 0.01 | 1.65 | 0.81 | 2.11 | 1.02 | 2.11 | 1.02 | 2.5 | 1.15 | Â | Â | 2.77 | 1.29 | Â | Â | Â | Â |
| 20 | 3/4 | 26.7 | 1.65 | 1.03 | 1.65 | 1.03 | 2.11 | 1.3 | 2.11 | 1.3 | 2.5 | 1.49 | Â | Â | 2.87 | 1.71 | Â | Â | Â | Â |
| 25 | 1 | 33.4 | 1.65 | 1.31 | 1.65 | 1.31 | 2.77 | 2.13 | 2.77 | 2.13 | 3 | 2.24 | Â | Â | 3.38 | 2.54 | Â | Â | Â | Â |
| 32 | 11/4 | 24.2 | 1.65 | 1.67 | 1.65 | 1.67 | 2.77 | 2.73 | 2.77 | 2.73 | 3 | 2.9 | Â | Â | 3.56 | 3.44 | Â | Â | Â | Â |
| 40 | 11/2 | 48.3 | 1.65 | 1.93 | 1.65 | 1.93 | 2.77 | 3.16 | 2.77 | 3.16 | 3 | 3.35 | Â | Â | 3.68 | 4.11 | Â | Â | Â | Â |
| 50 | 2 | 60.3 | 1.65 | 1.93 | 1.65 | 2.42 | 2.77 | 3.99 | 2.77 | 3.99 | 3.5 | 4.9 | Â | Â | 3.91 | 5.52 | Â | Â | Â | Â |
| 65 | 21/2 | 73 | 2.11 | 3.75 | 2.11 | 3.75 | 3.05 | 5.34 | 3.05 | 5.34 | 3.5 | 6 | Â | Â | 5.16 | 8.77 | Â | Â | Â | Â |
| 80 | 3 | 88.9 | 2.11 | 4.59 | 2.11 | 4.59 | 3.05 | 6.56 | 3.05 | 6.56 | 4 | 8.37 | Â | Â | 5.49 | 11.47 | Â | Â | Â | Â |
| 90 | 31/2 | 101.6 | 2.11 | 5.25 | 2.11 | 5.25 | 3.05 | 7.53 | 3.05 | 7.53 | 4 | 9.62 | Â | Â | 5.74 | 13.78 | Â | Â | Â | Â |
| 100 | 4 | 114.3 | 2.11 | 5.93 | 2.11 | 5.93 | 3.05 | 8.5 | 3.05 | 8.5 | 4.5 | 12.18 | Â | Â | 6.02 | 6.32 | Â | Â | Â | Â |
| 125 | 5 | 141.3 | 2.77 | 9.61 | 2.77 | 9.61 | 3.4 | 11.74 | 3.43 | 11.74 | 5 | 16.8 | Â | Â | 6.55 | 2210 | Â | Â | Â | Â |
| 150 | 6 | 168.3 | 2.77 | 11.47 | 2.77 | 11.47 | 3.4 | 14.04 | 3.43 | 14.04 | 5.5 | 22.08 | Â | Â | 7.11 | 28.69 | Â | Â | Â | Â |
| 200 | 8 | 219.1 | 2.77 | 15 | 2.77 | 15 | 3.76 | 20.77 | 3.76 | 20.27 | 6.35 | 33.82 | 7.04 | 37.38 | 8.18 | 43.2 | Â | Â | 10.81 | 53.9 |
| 250 | 10 | 273.1 | 3.4 | 22.95 | 3.4 | 22.95 | 4.19 | 28.2 | 4.19 | 28.2 | 6.35 | 42.41 | 7.8 | 51.81 | 9.27 | 61.22 | Â | Â | 12.2 | 82.8 |
| 300 | 12 | 323.9 | 3.96 | 31.72 | 4.19 | 33.6 | 4.57 | 36.54 | 4.57 | 36.54 | 6.35 | 50.48 | 8.38 | 66.2 | 9.53 | 75.01 | 10.31 | 80.94 | 14.27 | 110.62 |
| 350 | 14 | 355.6 | 3.96 | 34.86 | Â | Â | 4.78 | 41.99 | 6.35 | 55.53 | 7.92 | 68.95 | 9.53 | 82.58 | 9.53 | 82.58 | 11.13 | 96 | 15.06 | 128.42 |
| 400 | 16 | 406.4 | 4.19 | 42.2 | Â | Â | 4.78 | 48.07 | 6.35 | 63.61 | 7.92 | 79.03 | 9.53 | 94.7 | 9.53 | 94.7 | 12.7 | 125.2 | 16.66 | 162.59 |
| 450 | 18 | 457.2 | 4.19 | 47.46 | Â | Â | 4.78 | 54.15 | 6.35 | 71.69 | 7.92 | 89.1 | 11.13 | 124.32 | 9.53 | 106.83 | 14.27 | 158.27 | 19.05 | 209 |
| 500 | 2C | 508 | 4.78 | 60.23 | Â | Â | 5.54 | 69.7 | 6.35 | 79.76 | 9.53 | 118.93 | 12.7 | 157.51 | 9.53 | 118.9 | 15.06 | 185.89 | 2062 | 251.65 |
| 550 | 22 | 558.8 | 4.78 | 65.95 | Â | Â | 5.54 | 76.75 | 6.35 | 87.84 | 9.53 | 131.07 | 12.7 | 173.66 | 9.53 | 131.07 | 15.88 | 216.04 | 22.23 | 298.55 |
| 600 | 24 | 609.6 | 5.54 | 83.8 | Â | Â | 6.35 | 95.92 | 6.35 | 95.92 | 9.53 | 143.2 | 14.27 | 212.72 | 9.53 | 143.2 | 17.45 | 258.74 | 24.59 | 360.21 |
| 650 | 26 | 660.4 | Â | Â | Â | Â | Â | Â | 7.92 | 129.4 | 12.7 | 205.97 | Â | Â | 9.53 | 155.32 | Â | Â | Â | Â |
| 700 | 28 | 711.2 | Â | Â | Â | Â | Â | Â | 7.92 | 139.47 | 12.7 | 222.13 | 15.88 | 276.48 | 9.53 | 167.44 | Â | Â | Â | Â |
| 750 | 3C | 762 | 6.35 | 120.15 | Â | Â | 7.92 | 149.55 | 7.92 | 149.55 | 12.7 | 238.28 | 15.88 | 296.68 | 9.53 | 179.56 | Â | Â | Â | Â |
| 800 | 32 | 812.8 | Â | Â | Â | Â | Â | Â | 7.92 | 159.62 | 12.7 | 254.44 | 15.88 | 316.88 | 9.53 | 191.69 | 17.48 | 348.11 | Â | Â |
| 850 | 34 | 863.6 | Â | Â | Â | Â | Â | Â | 7.92 | 169.64 | 12.7 | 270.5 | 15.88 | 336.96 | 9.53 | 203.74 | 17.48 | 370.22 | Â | Â |
| 900 | 36 | 914.4 | Â | Â | Â | Â | Â | Â | 7.92 | 179.77 | 12.7 | 286.75 | 15.88 | 357.28 | 9.53 | 215.93 | 19.05 | 427.09 | Â | |
HFS Tubing finds extensive application in many industries because of its toughness, flexibility, and resistance to corrosion and heat. It is widely utilized in fluid transfer systems for safe and reliable transportation of liquids and gases in automotive, chemical, and pharmaceutical industries. HVAC systems also depend on HFS Tubing for smooth flow of air and refrigerant. It is also utilized in hydraulic systems to provide maximum performance in heavy machinery and industrial equipment. Its applications are as diverse as construction, medical devices, and energy industries, where it is a reliable solution for fluid conveyance, cooling, and heat exchange processes.
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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