Mbemba Stainless is a reputable manufacturer and supplier located in Kinshasa, Congo, with a focus on high-quality Stainless Steel 904L Tubing. The company has built a solid reputation for providing precision-engineered tubing solutions that excel in highly corrosive and demanding environments. Crafted from top-grade austenitic stainless steel, these tubes boast remarkable resistance to sulfuric acid, chloride attacks, and oxidation. Mbemba Stainless serves various industries, including chemical processing, oil and gas, marine, and pharmaceuticals, offering durable and dependable tubing that adheres to international standards for performance, safety, and longevity in critical applications.
Stainless Steel 904L Tubing is made from a high-alloy austenitic stainless steel that includes chromium (19–23%), nickel (23–28%), molybdenum (4–5%), copper (1–2%), and a low carbon content. This distinctive composition grants it exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in harsh chemical and marine settings. On the mechanical side, it delivers excellent tensile strength, good elongation, and superior toughness, even at elevated temperatures. The tubing also maintains outstanding weldability and formability, ensuring it stands up to aggressive conditions.
| Specifications | : | ASTM A/ASME SA213/ A249/ A269 |
| Dimensions | : | ASTM, ASME and API |
| SS 310/ 310S Tubes Size | : | 1/8″NB TO 30″NB IN |
| Schedule | : | SCH20, SCH30, SCH40, XS, STD, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Thickness | : | 0.35mm to 6.35mm OD in thickness ranging from 0.1mm to 1.2mm. |
| Form | : | Round, Rectangular, Square, Hydraulic Etc |
| Type | : | Seamless / Fabricated / ERW / Welded / LSAW Tubes |
| Length | : | Single Random, Double Random & Cut Length. |
| End | : | Plain End, Beveled End, Treaded |
| AISI 904L | Maximum | Minimum |
|---|---|---|
| Ni | 28.00 | 23.00 |
| C | 0.20 | – |
| Mn | 2.00 | – |
| P | 00.045 | – |
| S | 00.035 | – |
| Si | 1.00 | – |
| Cr | 23.0 | 19.0 |
| Mo | 5.00 | 4.00 |
| N | 00.25 | 00.10 |
| CU | 2.00 | 1.00 |
| Element | Grade 904L |
|---|---|
| Density | 8 |
| Melting Range | 1300 -1390 ℃ |
| Tensile Stress | 490 |
| Yield Stress (0.2%Offset) | 220 |
| Elongation | 35% minimum |
| Hardness (Brinell) | – |
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Stainless Steel 904L Tubing finds its place in industries that require top-notch corrosion resistance and structural integrity. It’s perfect for chemical and petrochemical processing, heat exchangers, condenser systems, oil refineries, and marine applications. Additionally, it plays a role in pulp and paper processing, pharmaceuticals, and pollution control equipment. Its remarkable resistance to acids and chlorides makes it an excellent choice for offshore structures and desalination plants. With its strength, durability, and reliability in extreme conditions, this tubing is a go-to option for critical industrial operations and high-performance fluid transport systems.
Offering excellent corrosion resistance, Stainless Steel 904L Seamless Tubing is known for its uniformity and strength. It typically comes in sizes ranging from 6mm to 350mm in diameter and lengths of up to 6 meters. Ideal for applications requiring high pressure and corrosive resistance.
Stainless Steel 904L Welded Tubing provides superior resistance to chloride-induced stress corrosion cracking. Available in sizes from 10mm to 150mm in diameter and standard lengths of 6 meters. It is often used in industrial and chemical processing applications where weld strength is critical.
Featuring outstanding corrosion resistance, Stainless Steel 904L Heat Exchanger Tubes are used in demanding environments. Sizes typically range from 6mm to 50mm in diameter, with wall thickness varying from 1mm to 3mm. These tubes are designed for high temperature and pressure conditions.
Stainless Steel 904L Instrumentation Tubing offers excellent resistance to corrosion and is ideal for precise measurement systems. Common sizes include 1/8″ to 1/2″ in diameter and lengths up to 6 meters. It is suitable for high-pressure applications and harsh environments.
With superior resistance to both oxidation and corrosion, Stainless Steel 904L Boiler Tubes are used in high-pressure steam applications. Sizes typically range from 25mm to 100mm in diameter, with lengths of up to 6 meters. They are essential for maintaining efficiency in boiler systems.
Stainless Steel 904L U-tubes provide excellent resistance to corrosive fluids and are commonly used in heat exchangers. Standard sizes range from 10mm to 100mm in diameter with various lengths. They are designed to handle thermal expansion and contraction in dynamic environments.
Stainless Steel 904L Condenser Tubes are used in marine and power generation applications, offering exceptional resistance to seawater and acidic environments. Sizes typically range from 10mm to 50mm in diameter and lengths up to 6 meters, providing durability and efficiency.
Stainless Steel 904L Fin Tubes are designed for enhanced heat transfer and corrosion resistance in air-cooled heat exchangers. They are available in various diameters, commonly 25mm to 50mm, with fin lengths customizable to specific requirements, ensuring effective cooling in challenging environments.
Stainless Steel 904L Tubing is exceptionally popular in certain industries that demand high corrosion resistance and strength. This is due to its excellent resistance to acids, both sulfuric and phosphoric—characteristics that make it suitable for application in chemical and pharmaceutical processes. The tubing is also employed in oil and gas production, the marine environment, and other seawater corrosion environments such as desalination plants. Other uses include heat exchangers, power plants, and even aerospace industries, all of which require the mechanical properties and weldability of the material to guarantee reliability in extreme conditions.
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