In the heart of Kinshasa, Mbemba Stainless stands as a trusted partner for industry, dedicated to providing robust and reliable materials. We take pride in our role as a leading manufacturer and supplier, with a special focus on the exceptional quality of our Stainless Steel 317 tubing. Understanding the demanding environments our clients operate in, we ensure this superior-grade tubing meets the highest standards, offering a solution built for resilience and long-term performance in the most challenging applications.
The strength of Stainless Steel 317 tubing lies in its specialized composition, which includes elevated levels of molybdenum, nickel, and chromium. This particular blend gives the material its remarkable resistance to corrosion, especially against chlorides and acids that would quickly degrade lesser steels. Furthermore, it maintains excellent mechanical properties, including high tensile strength and good ductility, allowing it to perform reliably under significant pressure and stress without compromising its structural integrity.
| ASTM A213 / ASME SA 213 | Standard Specification for SS TP 317L Seamless Superheater, Condenser, Hydraulic, Boiler and Heat-Exchanger Tubes |
| Shapes | ASME SA213 TP317L Round, Rectangular, Square, Hydraulic, Straight, “U” Shape, Coiled, Honed Tubes, Pan Cake Coils |
| Manufacturing Type | Seamless / ERW / Welded / Fabricated / CDW / CDS / DOM / CEW / 100% X Ray Welded |
| Delivery Condition | Annealed and Pickled (AP), Polished, Bright Annealed (BA), Cold Drawn, MF |
| Surface Finish | BA, 2B, No.4, No.1, No.3, No.8, 8K, HL, 2D, 1D, Mirror Polished, 180G, 320G, 400G Satin/ Hairline, 400G, 500G, 600G or 800G Mirror finish DIN 1.4438 Stainless Steel 317L Tubing or Custom Finish as per customer’s specification |
| Thickness Range | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXH, SCH XXS, SCH XS |
| Standard | SUS, JIS, AISI, ASTM, GB, DIN, EN |
| Relevant Standard | ASTM A213, ASTM A312, ASTM A269, ASTM A778, ASTM A554, ASTM A249, ASTM A269, ASTM A270, ASTM A789, DIN 17456, DIN17457, DIN 17459, JIS G3459, JIS G3463, GOST9941, EN10216, BS3605, GB13296 |
| SS 317L | Maximum |
|---|---|
| Ni | 11 – 15 |
| C | 0.035 Maximum |
| Mn | 2 Maximum |
| P | 0.040 Maximum |
| S | 0.03 Maximum |
| Si | 1 Maximum |
| Cr | 18 – 20 |
| Mo | 3 – 4 |
| N | – |
| Element | AISI 317L |
|---|---|
| Density | 8.0 g/cm3 |
| Melting Range | 1454 °C (2650 °F) |
| Tensile Stress | Psi – 75000 , MPa – 515 |
| Yield Stress (0.2%Offset) | Psi – 30000 , MPa – 205 |
| Elongation | 35 % |
| Hardness (Brinell) |
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We offers rigorous testing and certification of stainless steel 317 tubing to ensure quality and reliability. Each batch undergoes extensive testing, including chemical composition analysis, mechanical property testing and dimensional verification. Certificates of Compliance (CoC), Mill Test Reports (MTR), and other quality documents have been provided to also ensure transparency.
This tubing is produced without welds, offering superior strength and uniformity. It typically ranges from 1/8″ to 12″ in diameter. It is highly resistant to corrosion, particularly in chloride environments.
Manufactured by welding a strip of stainless steel, this tubing is suitable for applications requiring moderate strength and corrosion resistance. Sizes generally range from 1/4″ to 6″ in diameter. It provides good resistance to corrosive environments, especially those with chlorides.
Designed for use in heat exchangers, this tubing is available in diameters from 1/2″ to 2″ and offers excellent heat transfer properties. It is highly resistant to corrosion, making it ideal for aggressive chemical environments.
This tubing is used for precise measurement and control applications, with sizes typically ranging from 1/16″ to 2″ in diameter. It offers excellent resistance to corrosion and maintains integrity under high pressure.
Engineered for high-temperature applications, these tubes usually come in diameters from 1/2″ to 4″. They provide robust resistance to oxidation and scaling, making them suitable for boiler systems.
U-Tubes are used in various heat exchanger and condenser applications, with sizes commonly from 1″ to 3″ in diameter. They are highly resistant to corrosion and can withstand the thermal stresses of heat exchange processes.
These tubes are specifically designed for condenser systems, with dimensions typically ranging from 1/2″ to 2″ in diameter. They offer excellent resistance to corrosion from steam and other condensate environments.
Used for heat transfer applications, these tubes are available in various diameters, often from 1/2″ to 2″. They feature enhanced surface area for improved heat exchange efficiency and are highly resistant to corrosion.
This unique combination of properties makes Stainless Steel 317 tubing indispensable across several critical industries. It is the material of choice for chemical processing equipment, pharmaceutical manufacturing, and pulp and paper plants where aggressive chemicals are present. You’ll also find it extensively used in pollution control scrubbers, heat exchangers, and components for oil and gas refining, proving its worth wherever superior corrosion resistance is not just an advantage, but an absolute necessity for safety and operational continuity.
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