Walid Stainless, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of high-performance stainless steel tubing for challenging industrial environments. Their Stainless Steel 317L Tubing is engineered for superior corrosion resistance, especially in aggressive chemical and chloride-rich conditions. With low carbon content and enhanced molybdenum, it resists pitting and crevice corrosion, making it ideal for long-term service. Manufactured with precision and strict quality control, Walid Stainless ensures consistent dimensions, smooth finishes, and reliable mechanical performance. Customers rely on Stainless Steel 317L Tubing for durability, safety, and dependable operation in harsh industrial settings.
Stainless Steel 317L Tubing is an austenitic stainless steel alloy containing approximately 18–20% chromium, 11–15% nickel, and 3–4% molybdenum, with low carbon content to minimize intergranular corrosion. This composition provides excellent resistance to pitting, crevice corrosion, and general chemical attack. The tubing typically exhibits tensile strength between 515–620 MPa and hardness around 150–190 HB. Its austenitic structure ensures good toughness, ductility, and dimensional stability in aggressive and high-stress environments.
| 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 |
| Value Added Services |
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| 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 thorough testing and certification of its stainless steel 317L tubing, ensuring the highest quality and performance. Each batch undergoes rigorous inspection, including mechanical testing, chemical analysis and pressure testing. Certifications are issued, proving compliance with international standards as well as good reliability and customer-specific requirements.
Stainless Steel 317L seamless tubing is a corrosion-resistant alloy ideal for chemical, pharmaceutical, and food processing industries, offering superior strength, weldability, and durability in harsh environments.
Stainless Steel 317L welded tubing is highly resistant to corrosion, ideal for chemical, pharmaceutical, and food processing industries, offering excellent weldability, strength, and durability in demanding environments.
Stainless Steel 317L heat exchanger tubes provide excellent resistance to corrosion and high temperatures, making them ideal for use in chemical, petrochemical, and power generation industries with superior heat transfer performance
Stainless Steel 317L instrumentation tubing offers high corrosion resistance and excellent durability, making it ideal for precise applications in chemical, petrochemical, and pharmaceutical industries, ensuring reliable performance in demanding environments.
Stainless Steel 317L boiler tubes are designed for high-temperature and corrosive environments, providing exceptional resistance to oxidation and scaling, making them ideal for industrial boilers and heat exchangers.
Stainless Steel 317L U-tubes offer high corrosion resistance and durability, ideal for heat exchangers and industrial applications requiring exceptional performance under harsh conditions and high temperatures.
Stainless Steel 317L condenser tubes provide excellent resistance to corrosion and high temperatures, making them perfect for use in heat exchangers and cooling systems in chemical and petrochemical industries.
Stainless Steel 317L fin tubes enhance heat transfer efficiency with superior corrosion resistance, making them ideal for applications in heat exchangers, air coolers, and industrial processes requiring reliable performance.
Stainless Steel 317L Tubing is widely used in industries that require high corrosion resistance under challenging conditions. Common applications include chemical processing plants, marine installations, desalination systems, pharmaceutical equipment, oil and gas facilities, and food processing machinery. Its superior resistance to chlorides and aggressive chemicals makes it ideal for piping, heat exchangers, and welded assemblies. Engineers and maintenance professionals rely on 317L Tubing for long service life, safety, and minimal maintenance. Walid Stainless ensures each tube meets stringent quality standards, supporting reliable and efficient performance in demanding industrial and marine environments.
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