For manufacturers and engineers in Manama and across Bahrain seeking exceptional corrosion resistance, Niazi Stainless stands as your trusted local partner. We specialize in supplying high-performance Stainless Steel 317 tubing, a material chosen for its ability to withstand some of the most challenging industrial environments. Our commitment is to provide not just a product, but a reliable solution backed by deep industry knowledge and a dedication to ensuring your projects are built on a foundation of quality and durability, right here in Manama.
Stainless Steel 317 earns its reputation through a specific chemical composition, notably higher amounts of molybdenum, nickel, and chromium compared to standard grades. This alloy mix gives the tubing superior strength and exceptional resistance to corrosion, particularly against chlorides and acids that can cause pitting and crevice corrosion. These enhanced mechanical properties make it a robust choice for demanding applications where both structural integrity and long-term durability in harsh conditions are non-negotiable requirements.
| 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) |
Contact us to get a quick quote for your requirement.
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.
The unique properties of 317 tubing make it indispensable in industries where failure is not an option. You will find it extensively used in chemical processing plants for handling aggressive acids, in pulp and paper manufacturing, and in pollution control equipment like scrubbers. It is also the preferred material for heat exchangers, condenser tubes, and piping systems within oil and gas refineries, especially when dealing with sulfuric acid. Essentially, it’s the go-to material for applications that demand maximum resilience against corrosive attack.
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