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Maria Pipes and Tubes, based in Kuala Lumpur, Malaysia, stands out as a trusted manufacturer and supplier of high-quality piping and tubing products tailored for a variety of industrial uses. The company has built a reputation for providing solutions that adhere to strict international standards, catering to industries like oil and gas, petrochemicals, marine engineering, power generation, and process sectors. With state-of-the-art manufacturing facilities, a team of skilled professionals, and rigorous quality assurance practices, Maria Pipes and Tubes guarantees products that are durable, precise, and built to last. Their commitment to customer satisfaction, on-time delivery, and consistent quality has helped them establish a solid foothold in both local and global markets.
Duplex steel instrumentation tubing is crafted from duplex stainless steel, which boasts a well-balanced microstructure of austenitic and ferritic stainless steels, offering exceptional strength and resistance to corrosion. This tubing is known for its high tensile and yield strength, along with remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, even in harsh, chloride-rich environments. It ensures precise dimensional accuracy, uniform wall thickness, and smooth internal surfaces, making it reliable for transmitting fluids or gases in measurement and control systems. Its durability and ease of welding make it perfect for critical applications in tough conditions.
| Standard | : | ASTM A790 / ASME SA790 UNS S31803, S32205, S32550, S32750, S32760 |
| Materials | : | ASTM A815 – UNS S31803 |
| Size | : | 1/2″NB TO 12 “NB IN |
| Seamless Pipes & Tubes Sizes | : | 1/2” NB – 8” NB |
| Welded Pipes & Tubes Sizes | : | 6” NB – 24” NB |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80 |
| Type | : | Instrumentation |
| Length | : | Single Random, Double Random & Cut Length. |
| Thickness | : | 0.5-45mm |
| Outer Diameter | : | 6.0-630mm |
| Dimensions | : | OD(6.0-630)*WT(0.5-45)mm |
| Duplex Steel | Ni | Fe | C | Mn | Si | Mo | Cr | P | S |
| Bal | 0.03 | 1.o | 3.0 – 3.5 | 2.0 | 22.0 – 23.0 | 4.5 – 6.5 | 0.02 | 0.14 – 0.2 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000 , MPa – 800 | Psi – 80000 , MPa – 550 | 15 % |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Duplex Steel Instrumentation Tubes from Maria Pipes and Tubes ensures superior quality and durability, offering outstanding corrosion resistance and high strength. Our dedication to delivering exceptional service and reliable products guarantees customer satisfaction across a wide range of industrial applications. With our expertise in Duplex steel solutions, you can trust us to provide a top-tier, customized piping solution that meets your specific requirements.
Maria Pipes and Tubes, one of the largest suppliers of Duplex Steel Instrumentation Tubing in the Kuala lumpurs, Malaysia. Offers a wide range of high-quality pipes and tubes designed for various industrial applications. Their extensive inventory and dedication to exceptional service make them a trusted choice for Duplex steel products in the region, delivering reliable solutions to meet diverse project requirements.
Yes, we provide custom sizes for Duplex Steel Instrumentation Tubing to meet your specific requirements. At Maria Pipes and Tubes, our team is dedicated to delivering tailored solutions for all your piping and tubing needs. For more information, please contact us at sales@mariapipes.com.
This tubing finds extensive use in instrumentation and control systems across offshore oil and gas platforms, chemical processing plants, desalination facilities, and power generation units. It’s particularly well-suited for hydraulic lines, impulse lines, and analyzer systems where precision and corrosion resistance are crucial. In marine engineering, it plays a vital role in seawater cooling and monitoring systems. The combination of high mechanical strength, outstanding corrosion resistance, and reliable performance makes duplex steel instrumentation tubing the go-to choice for essential industrial and engineering applications.
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