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Home > Stainless Steel > Stainless Steel 904L Instrumentation Tubing
Laila Pipes and Tubes is a reputable manufacturer and supplier of top-notch Stainless Steel 904L Instrumentation Tubing based in Muscat, Oman. They provide precision-engineered tubing that adheres to international standards, specifically crafted for tough industrial applications that demand high corrosion resistance and reliability. With state-of-the-art manufacturing facilities, rigorous quality control processes, and a skilled technical team, Laila Pipes and Tubes caters to various sectors, including chemical processing, petrochemical, oil and gas, power generation, and marine. The company has earned a solid reputation for its consistent quality, prompt delivery, and customer-centric service, making a mark in both regional and global markets.
The Stainless Steel 904L Instrumentation Tubing is made from a high-alloy austenitic stainless steel blend that includes chromium, nickel, molybdenum, and copper. This unique composition grants it remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, even in harsh chemical and high-temperature settings. On the mechanical side, these tubes boast excellent tensile and yield strength, toughness, and fatigue resistance, all while being easy to weld and machine. Their precise dimensions and smooth surface finish make them perfect for high-accuracy instrumentation and control applications.
| Grade | Range | Ni | Cr | Cu | Mo | C | Mn | Si | P | S | N |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 904L | Min. | 23 | 19.0 | 1.0 | 4.0 | – | – | – | – | – | – |
| Max. | 28 | 23.0 | 2.0 | 5.0 | 0.20 | 2.0 | 1.0 | 0.040 | 0.030 | 0.10 |
| Grade | Tensile Strength min (MPa) | Yield Strength 0.2% Proof min (MPa) | Hardness | Elongation (% in 50mm) min | |
|---|---|---|---|---|---|
| Brinell max (HB) | Rockwell B max (HR B) | ||||
| 904L | 490 | 215 | – | 90 | 30 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 904L instrumentation tubing is a high-alloy austenitic stainless steel that contains around 20–23% chromium, 25–28% nickel, 4–5% molybdenum, along with trace amounts of copper. This alloy is known for its outstanding resistance to pitting, crevice corrosion, and both oxidizing and reducing environments. It boasts high tensile strength, good ductility, and excellent weldability. The tubing is specifically designed for high-performance instrumentation applications where reliability and corrosion resistance are paramount.
Laila Pipes and Tubes, one of the largest suppliers of Stainless Steel 904L Instrumentation Tubing in Muscat, OMAN, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
| Grade | UNS No | Old British | Euronorm | Japanese JIS | Swedish SS | KS | ||
|---|---|---|---|---|---|---|---|---|
| BS | En | No | Name | |||||
| 904L | NO8904 | 904S13 | – | 1.4539 | X1NiCrMoCu25-20-5 | SUS 904L | 2562 | STS 317J5L |
This type of tubing is extensively utilized in industries that require dependable and corrosion-resistant piping for instruments and control systems. Typical applications include chemical dosing lines, pressure and temperature instrumentation, analytical equipment, and process control systems across the chemical, petrochemical, oil and gas, and power generation sectors. It’s also ideal for high-purity systems and marine environments, where exposure to harsh chemicals and corrosive substances necessitates long-lasting durability and minimal maintenance.
You’ll find Stainless Steel 904L Instrumentation Tubing extensively used in instrumentation and process control systems, linking sensors, transmitters, and valves for measuring fluids and gases. They play a crucial role in chemical and petrochemical plants, refineries, oil & gas facilities, and power generation units, where corrosion resistance and precision are paramount. Additionally, they’re employed in hydraulic and pneumatic systems, analytical instruments, and high-purity piping setups. With their blend of mechanical strength, corrosion resistance, and precision, Stainless Steel 904L Instrumentation Tubing is the go-to choice for industries that demand reliability and accuracy.
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