- sales@mariapipes.com
- Kuala lumpur, Malaysia
Home > Super Duplex Steel > Super Duplex Steel Welded Tubing
Maria Pipes and Tubes is a reputable manufacturer and supplier of **Super Duplex Steel Welded Tubing** based in Kuala Lumpur, Malaysia. They specialize in providing high-performance tubing solutions tailored for critical industrial applications. Renowned for their precision manufacturing and top-notch product quality, the company offers welded tubing crafted from premium Super Duplex stainless steel grades like UNS S32750 and S32760. These tubes are designed to deliver outstanding strength, impressive corrosion resistance, and a long service life, even in the toughest environments. With cutting-edge welding technology, rigorous quality control, and quick turnaround times, Maria Pipes and Tubes caters to clients in the oil & gas, chemical, marine, and power industries.
The production of **Super Duplex Steel Welded Tubing** involves forming and longitudinally welding Super Duplex stainless steel strips using high-precision welding techniques. These tubes boast a dual-phase microstructure that consists of roughly equal parts austenite and ferrite, which grants them superior strength and corrosion resistance compared to standard duplex or austenitic stainless steels. They are particularly resistant to pitting, crevice corrosion, and chloride stress corrosion cracking. Their mechanical properties include high tensile strength (typically exceeding 800 MPa) and excellent fatigue resistance. The welded seams undergo thorough inspection and testing to ensure their integrity, reliability, and performance even under extreme operating conditions.
Pipe Range : 1 / 2″ NB – 8″ NB
Outer Diameter : 6.00 mm OD up to 250 mm OD, Sizes up to 12” NB
Wall Thickness : 0.3mm – 50 mm
Schedules : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Length : Single Random, Double Random & Required Length
Specifications : ASTM A789 / ASME SA789, ASTM A789 / ASME SA A789
Types : Welded
| Super Duplex | Welded |
|---|---|
| Ni | 6.00 – 8.00 |
| Fe | 58.095 min |
| Cr | 24.00 – 26.00 |
| C | 0.030 max |
| Si | 0.80 max |
| Mn | 1.20 max |
| P | 0.035 max |
| S | 0.020 max |
| N | 0.24 – 0.32 |
| Material | Super Duplex Steel |
| Density (g/cm 3) | 7.8 |
| Density (lb/in 3) | 0.281 |
| Melting Point (°C) | 1350 |
| Melting Point (°F) | 2460 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Super Duplex Steel Welded 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 Super Duplex steel solutions, you can trust us to provide a top-tier, customized piping solution that meets your specific requirements.
Super Duplex Steel Welded Tubing finds its place in applications where high strength, corrosion resistance, and durability are essential. In the oil and gas sector, it is commonly used for offshore platforms, subsea piping, and pressure systems that face high salinity and pressure. The chemical and petrochemical industries utilize this tubing for heat exchangers, process lines, and storage systems that handle aggressive media. In marine settings, it is perfect for seawater cooling systems, ensuring longevity and reliability in challenging conditions.
Yes, we provide custom sizes for Super Duplex Steel Welded Tubes 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.
Super Duplex Steel Welded Tubing is widely used in industries requiring high corrosion resistance and mechanical strength. It is essential in offshore oil and gas platforms, where exposure to seawater and harsh conditions demands superior durability. The tubing is also commonly used in chemical processing plants to handle corrosive substances. In the marine industry, it’s utilized in shipbuilding and desalination systems. Additionally, Super Duplex Steel Welded Tubing is employed in heat exchangers, pressure vessels, and structural components in industrial environments where strength and corrosion resistance are critical.
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