Lecong Stainless, based in Da Nang, Vietnam, stands out as a top manufacturer and supplier of premium stainless steel products, with a focus on precision-engineered tubing solutions. One of their standout products is the Stainless Steel 317 Tubing, crafted for exceptional performance in harsh, corrosive, and high-temperature settings. Renowned for its reliability and compliance with international standards, Lecong Stainless serves a diverse array of industries, including chemical processing, marine, pharmaceuticals, and power generation. With state-of-the-art production facilities and a talented workforce, Lecong consistently delivers quality, competitive pricing, and tailored solutions to meet the unique needs of both local and global clients.
Stainless Steel 317 Tubing is an austenitic alloy that contains around 18–20% Chromium, 11–15% Nickel, and 3–4% Molybdenum, with a maximum Carbon content of 0.08%. This specific composition provides outstanding resistance to pitting and crevice corrosion, particularly in chloride and acidic environments. In terms of mechanical properties, it boasts a tensile strength of approximately 515 MPa, a yield strength of 205 MPa, and an elongation of 35% or more. Additionally, it offers excellent weldability and formability, making Stainless Steel 317 Tubing an ideal choice for demanding structural, thermal, and corrosive applications.
| 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.
Stainless Steel 317 Tubing is extensively utilized in industries that demand exceptional corrosion resistance and strength at elevated temperatures. In chemical and petrochemical facilities, it’s commonly used to transport aggressive fluids such as acids and chlorides. This tubing is perfect for heat exchangers, evaporators, and condensers in both power generation and marine settings. It also plays a vital role in pulp and paper processing, textile dyeing equipment, and food processing plants due to its hygienic qualities. The pharmaceutical and biotech industries favor it for its sterility and reliability in critical applications.
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