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Samia Pipes and Tubes, located in Tunis, Tunisia, stands out as a leading manufacturer and supplier of top-notch CDS (Cold Drawn Steel) tubing. They cater to a diverse array of industrial sectors, providing precision steel solutions that truly make a difference. With decades of experience and a strong commitment to excellence, Samia focuses on crafting CDS tubing that adheres to strict international standards for strength, dimensional accuracy, and surface finish. By leveraging cutting-edge cold drawing technology and maintaining rigorous quality control, the company ensures that their tubing is not only durable but also reliable, perfectly suited for the most demanding engineering applications. Samia’s unwavering dedication to innovation, customer service, and timely delivery has helped them build a solid reputation both locally and internationally.
The CDS (Cold Drawn Steel) tubing produced by Samia Pipes and Tubes is made from carefully selected high-grade carbon and alloy steel, which is cold drawn to enhance its material properties, dimensional precision, and surface finish. The meticulously controlled chemical composition strikes the perfect balance between strength, ductility, and machinability. Cold drawing refines the microstructure, boosts tensile and yield strength, and enhances mechanical consistency. As a result, CDS tubing showcases impressive mechanical properties, including high fatigue resistance, tight tolerance control, superior straightness, and smooth external surfaces, making it an excellent choice for demanding engineering and industrial applications.
| Condition | Nominal Yield Strength psi | Nominal Ultimate Strength psi | Nominal Elongation in 2% | Equivalent Rockwell Hardness | Equivalent Brinell Hardness |
| GRADE 1018 c .15/.20 Mn .60/90 P .40 max S .050 max | |||||
| Hot-Rolled | 35,000 | 60,000 | 30 | B-68 | 116 |
| Normalized | 38,000 | 58,000 | 35 | B-66 | 114 |
| Soft-Annealed | 33,000 | 50,000 | 40 | B-57 | 97 |
| As-Drawn | 70,000 | 85,000 | 10 | B-87 | 170 |
| CD-Stress Relief Annealed | 60,000 | 80,000 | 15 | B-85 | 163 |
| GRADE 1020 C. 18/.23 Mn .30/.60 P .040 max S .050 max | |||||
| Hot-Rolled | 38,000 | 60,000 | 30 | B-68 | 116 |
| Normalized | 40,000 | 58,000 | 35 | B-66 | 114 |
| Soft-Annealed | 33,000 | 53,000 | 40 | B-62 | 105 |
| As-Drawn | 65,000 | 80,000 | 10 | B-85 | 163 |
| CD-Stress Relief Annealed | 60,000 | 75,000 | 15 | B-81 | 149 |
| GRADE 1026 C .22/.28 Mn .60/.90 P .030 max S .050 max | |||||
| Hot-Rolled | 47,000 | 70,000 | 28 | B-77 | 137 |
| Normalized | 50,000 | 67,000 | 33 | B-74 | 131 |
| Soft-Annealed | 36,000 | 60,000 | 35 | B-68 | 116 |
| As-Drawn | 72,000 | 87,000 | 10 | B-89 | 179 |
| CD-Stress Relief Annealed | 65,000 | 82,000 | 15 | B-86 | 167 |
| OUTSIDE AND INSIDE DIAMETER TOLERANCES FOR ROUND COLD-WORKED SEAMLESS TUBING PER ASTM A519 | ||||||||||
| Outside Diameter Size Range in | Thermal Treatment after Final Cold Work Producing Size | |||||||||
| Wall Thickness as Percent of OD | None, or not exceeding 1100°F. Nominal Temperature | Heated Above 1100°F. Nominal Temperature Without Accelerated Cooling | ||||||||
| OD, in | ID, in | OD, in | ID, in | |||||||
| Over | Under | Over | Under | Over | Under | Over | Under | |||
| Up to 0.499 | All | 0.004 | 0.000 | — | — | 0.005 | 0.002 | — | — | |
| 0.500-1.699 | All | 0.005 | 0.000 | 0.000 | 0.005 | 0.007 | 0.002 | 0.002 | 0.007 | |
| 1.700-2.099 | All | 0.006 | 0.000 | 0.000 | 0.006 | 0.006 | 0.005 | 0.005 | 0.006 | |
| 2.100-2.499 | All | 0.007 | 0.000 | 0.000 | 0.007 | 0.008 | 0.005 | 0.005 | 0.008 | |
| 2.500-2.899 | All | 0.008 | 0.000 | 0.000 | 0.008 | 0.009 | 0.005 | 0.005 | 0.009 | |
| 2.900-3.299 | All | 0.009 | 0.000 | 0.000 | 0.009 | 0.011 | 0.005 | 0.005 | 0.011 | |
| 3.300-3.699 | All | 0.010 | 0.000 | 0.000 | 0.010 | 0.013 | 0.005 | 0.005 | 0.013 | |
| 3.700-4.099 | All | 0.011 | 0.000 | 0.000 | 0.011 | 0.013 | 0.007 | 0.010 | 0.010 | |
| 4.100-4.499 | All | 0.012 | 0.000 | 0.000 | 0.012 | 0.014 | 0.007 | 0.011 | 0.011 | |
| 4.500-4.899 | All | 0.013 | 0.000 | 0.000 | 0.013 | 0.016 | 0.007 | 0.012 | 0.012 | |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
When you choose CDS Tubing from Samia Pipes and Tubes, you can count on exceptional quality and long-lasting durability. These tubes offer excellent corrosion resistance and high strength, making them perfect for various industrial applications. Our commitment to outstanding service and reliable delivery guarantees customer satisfaction with every order. With extensive expertise in stainless steel products, we provide premium solutions tailored to meet your unique needs.
Samia Pipes and Tubes, a top supplier of CDS Tubing in Tunis, Tunisia, offers a comprehensive range of high-quality pipes and tubes for various industrial applications. With an extensive inventory and a commitment to exceptional customer service, they have become the go-to source for stainless steel products in the area.
At Samia Pipes and Tubes, we specialize in providing custom-sized CDS Tubing designed to meet your specific requirements. Our expert team is committed to delivering personalized solutions for all your piping and tubing needs. For more details, contact us at sales@samiapipes.com.
Samia Pipes and Tubes’ CDS tubing finds its way into various industries where precision, strength, and reliability are non-negotiable. Common applications include hydraulic and pneumatic systems, automotive components, precision machinery parts, and structural assemblies that require tight dimensional tolerances. This tubing is highly regarded in mechanical engineering, industrial equipment, fabrication, and construction projects that demand top-notch surface quality and mechanical performance. Additionally, it plays a vital role in agricultural machinery, furniture manufacturing, and custom fabrication. The versatility and outstanding properties of CDS tubing make it a go-to option for a wide range of applications.
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