Stainless Steel 317L Sanitary Tubes, 317 Stainless Steel Sanitary Tube Manufacturer, SS 317 Sanitary Tube Supplier, SS 317 Sanitary Tube Exporter, Stainless Steel 317 Precision Tubing, SS 317 Small Diameter Tube ,SS 317 Sanitary Tubes
Stainless Steel 317L Sanitary Tubes are specially designed for high-purity and hygienic applications across critical industries such as pharmaceuticals, food processing, biotechnology, dairy, and beverage production. These tubes are made from 317L, a low-carbon version of 317 stainless steel, offering superior corrosion resistance and enhanced performance in aggressive chemical environments. With a focus on cleanliness, durability, and process integrity, 317L sanitary tubes are a trusted choice in systems where contamination control is essential.
Grade 317L stainless steel contains higher levels of molybdenum (3–4%) and nickel compared to 316L, providing improved resistance to pitting, crevice corrosion, and chemical attacks, especially in chloride-rich or acidic environments. The low carbon content (<0.03%) minimizes the risk of carbide precipitation during welding, ensuring excellent intergranular corrosion resistance. These properties make 317L ideal for applications involving high-temperature processing or frequent sterilization.
Sanitary tubes made from 317L are available in both seamless and welded constructions, with smooth, polished internal and external surfaces that meet strict hygienic standards such as ASTM A270, ASME BPE, and EN 10357. The internal surface roughness (Ra) is often ≤ 0.4 μm, ensuring easy cleaning and reducing the risk of bacterial growth. Finishing options like mechanical polish and electropolish further enhance corrosion resistance and cleanability, supporting CIP (Clean-In-Place) and SIP (Sterilize-In-Place) systems.
Due to their excellent chemical resistance and sanitary-grade finish, Stainless Steel 317L Sanitary Tubes are widely used in high-purity fluid transport systems. These include pharmaceutical manufacturing pipelines, food and dairy product transfer lines, brewery equipment, cosmetic production systems, and biotech processing setups. Their robustness and ease of sterilization ensure product safety and compliance with regulatory standards across these industries.
Specification of Stainless Steel 317L Sanitary Tubes
| Property | Specification |
|---|---|
| Material Grade | Stainless Steel 317L (UNS S31703) |
| Standards | ASTM A270, ASME BPE, EN 10357, ISO 2037 |
| Tube Type | Seamless / Welded |
| Outer Diameter (OD) | 1/2" to 6" (12.7 mm to 152.4 mm) |
| Wall Thickness | 0.065" to 0.12" (1.65 mm to 3.05 mm) |
| Surface Finish | Mechanical Polish (MP), Electropolished (EP), Mill Finish (for welded tubes) |
| Internal Surface Roughness (Ra) | ≤ 0.4 µm (15 µin), per ASME BPE standards |
| Maximum Operating Temperature | Up to 870°C (1598°F) depending on application |
| Corrosion Resistance | Excellent (especially against chlorides and acidic solutions) |
| Weldability | Excellent – low carbon content prevents carbide precipitation |
| End Connections | Plain End, Beveled End, Tri-Clamp / TC Ferrule (as per customer requirement) |
| Certification | 3.1 / 3.2 Mill Test Certificate, EN 10204 |
| Applications | Pharmaceutical, Food & Beverage, Dairy, Cosmetics, Biotech, Chemical Processing |
Choosing 317L sanitary tubing ensures long-term performance, minimal maintenance, and compliance with demanding sanitary and chemical conditions. Its superior corrosion resistance, weldability, and clean surface finish reduce downtime and contamination risks in process systems. Whether it's a pharmaceutical cleanroom or a high-volume dairy line, Stainless Steel 317L Sanitary Tubes deliver the reliability, purity, and performance required in today’s high-standards industrial environments.Let me know if you'd like this adapted for a technical datasheet, bro
Chemical Composition of Stainless Steel 317L Sanitary Tubes
| Element | Minimum (%) | Maximum (%) |
|---|---|---|
| Carbon (C) | — | 0.03 |
| Manganese (Mn) | — | 2.00 |
| Phosphorus (P) | — | 0.045 |
| Sulfur (S) | — | 0.030 |
| Silicon (Si) | — | 1.00 |
| Chromium (Cr) | 18.0 | 20.0 |
| Nickel (Ni) | 11.0 | 15.0 |
| Molybdenum (Mo) | 3.0 | 4.0 |
| Nitrogen (N) | — | 0.10 |
| Iron (Fe) | Balance | Balance |
With a proven track record as a Stainless Steel 317L Sanitary Tubes exporter in over 30 countries, Sumer Metal Industries ensures global availability, third-party inspection support, and client-specific customization. Our wide export network combined with strict quality standards has made us a preferred choice for SS 317 tubing worldwide.
Specification of Stainless Steel 317L Sanitary Tubes
| Property | Specification |
|---|---|
| Material Grade | Stainless Steel 317L (UNS S31703) |
| Standards | ASTM A270, ASME BPE, EN 10357, ISO 2037 |
| Tube Type | Seamless / Welded |
| Outer Diameter (OD) | 1/2" to 6" (12.7 mm to 152.4 mm) |
| Wall Thickness | 0.065" to 0.12" (1.65 mm to 3.05 mm) |
| Surface Finish | Mechanical Polish (MP), Electropolished (EP), Mill Finish (for welded tubes) |
| Internal Surface Roughness (Ra) | ≤ 0.4 µm (15 µin), per ASME BPE standards |
| Maximum Operating Temperature | Up to 870°C (1598°F) depending on application |
| Corrosion Resistance | Excellent (especially against chlorides and acidic solutions) |
| Weldability | Excellent – low carbon content prevents carbide precipitation |
| End Connections | Plain End, Beveled End, Tri-Clamp / TC Ferrule (as per customer requirement) |
| Certification | 3.1 / 3.2 Mill Test Certificate, EN 10204 |
| Applications | Pharmaceutical, Food & Beverage, Dairy, Cosmetics, Biotech, Chemical Processing |
🏭 Industry & Application
- ✅ SS 317 Sanitary Tubes for Medical Industry
- ✅ SS 317 Sanitary Tubes for Chemical Processing
- ✅ SS 317 Tubes for Sanitary Lines
- ✅ Stainless Steel 317L Sanitary Tubes for Gas & Liquid Flow
- ✅ SS 317 Tubes for Heat Exchangers
❓ Frequently Asked Questions (FAQs)
Q1:What is Stainless Steel 317L?
Stainless Steel 317L is a low-carbon, austenitic stainless steel with high levels of molybdenum and nickel. It offers superior corrosion resistance compared to 316L, especially in acidic or chloride-rich environments.
Q2:Why is 317L used in sanitary applications?
317L is ideal for sanitary tubing due to its excellent corrosion resistance, smooth internal surface finish, and compatibility with high-purity processes. It is especially suited for industries like pharmaceuticals, food & beverage, and biotech where hygiene is critical.
Q3:What standards do 317L sanitary tubes comply with?
Common standards include ASTM A270, ASME BPE, EN 10357, and ISO 2037, ensuring the tubes meet sanitary and dimensional requirements for high-purity systems.
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