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Operating from the heart of Kinshasa, Wissa Pipes has become a trusted name for industrial solutions, blending local expertise with a commitment to robust quality. We take particular pride in our CDS Tubing, a product engineered to meet the demanding needs of various sectors across the Congo. It’s more than just a pipe; it’s a reliable component designed for strength and durability, supporting the vital infrastructure and projects that drive our community and nation forward every single day.
Our CDS Tubing is crafted from cold-drawn steel, a process that gives it a remarkable combination of strength and a smooth, precise finish. This isn’t your average pipe; it boasts excellent mechanical properties, including high tensile strength and impressive resistance to external pressure. That inherent toughness means it can handle significant stress without deforming, making it a consistently reliable choice for engineers and builders who need a material they can count on for the long haul.
| 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 Wissa 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.
Wissa Pipes and Tubes, a top supplier of CDS Tubing in Kinshasa, Thailand, 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 Wissa 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@wissapipes.com.
This tubing finds its place in fluid transmission systems, hydraulic lines, pneumatic applications, and industrial machinery. It’s also commonly used in petrochemical plants, oil and gas facilities, and power generation systems. Furthermore, CDS Tubing is ideal for fabrication, mechanical installations, and structural applications where durability and performance are key. With its superior mechanical and chemical properties, CDS Tubing delivers efficient, reliable, and long-lasting solutions across a wide range of industrial, commercial, and infrastructural projects.
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