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Home > Metallurgy, Mineral & Energy > Steel & Products > Stainless Steel > SUS 316L Stainless Steel Pipe, AISI A312 Standard, 3A Sanitary Grade, Mirror Polished, 1.5-4 Inch Sch40
SUS 316L Stainless Steel Pipe, AISI A312 Standard, 3A Sanitary Grade, Mirror Polished, 1.5-4 Inch Sch40
Product Spotlights
SUS 316L low-carbon stainless steel, AISI A312 standard, 3A sanitary grade, mirror-polished (Ra≤0.4μm), Schedule 40 wall thickness, 1.5-4 inch OD. Ideal for food, dairy, beverage, pharmaceutical hygiene systems. ISO9001 certified, customizable length, competitive pricing, global export experience.
Negotiable
MOQ: 1 Ton (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Standard:
Other, AISI A312
Grade:
Other, 3A Sanitary Grade
Certification:
Other, ISO9001
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao Port
Delivery Detail:
7 days
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Standard
Other, AISI A312
Grade
Other, 3A Sanitary Grade
Certification
Other, ISO9001
Material
SUS 316L Stainless Steel
Surface Finish
Mirror Polished (Ra ≤ 0.4μm)
Outer Diameter
1.5-4 inch (38.1-101.6mm)
Wall Thickness
Schedule 40 (SCH40)
Application
Food, Dairy, Beverage, Pharmaceutical
Length
Customizable (6m default)
Brand
HEMAOKANG / OEM
Welcome to Hemaokang Steel (Shandong) Co., Ltd. – a trusted manufacturer established in 2025 with annual export value exceeding US$50 million and a dedicated team of 51–100 professionals. Our SUS 316L Stainless Steel Pipe, produced under the strict AISI A312 standard and certified with ISO9001, is specifically engineered for high-purity sanitary applications. The 3A sanitary grade ensures compliance with the most rigorous hygiene requirements in the food, dairy, beverage, and pharmaceutical industries. Combined with a mirror-polished surface (Ra ≤ 0.4μm) and Schedule 40 wall thickness, this pipe delivers exceptional corrosion resistance, smooth flow, and long service life. Whether you need standard 1.5-inch or larger 4-inch diameters, our precision manufacturing guarantees consistent quality for your critical processes.
Key Features & Technical Specifications
- Material Excellence: SUS 316L (UNS S31603) low-carbon austenitic stainless steel – superior resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-containing environments.
- Sanitary Grade Design: Conforms to 3A sanitary standards, ensuring smooth internal surfaces without dead zones – ideal for CIP (Clean-in-Place) and SIP (Sterilize-in-Place) systems.
- Mirror Polished Finish: Electropolished to Ra ≤ 0.4μm (16 Ra max) – easy to clean, prevents bacterial adhesion, and maintains product purity.
- Standard Compliance: Manufactured in accordance with AISI A312 (ASTM A312) for seamless and welded pipes – also meets ASME B36.10 for Schedule 40 dimensions.
- Dimensional Accuracy: Outer diameter 1.5″ to 4″ (38.1mm – 101.6mm) with wall thickness per Schedule 40 (SCH40). Tolerance: OD ±0.5%, WT ±10%.
- Versatile Applications: Dairy processing, beverage lines, pharmaceutical piping, biotech, food equipment, and cosmetic manufacturing.
- Certification & Traceability: ISO9001 certified manufacturing process; material test reports (MTR) available upon request.
Product Dimensions & Weight Table
| Nominal Size (inch) | Outer Diameter (mm) | Wall Thickness (mm) | Weight per Meter (kg) |
|---|---|---|---|
| 1.5" | 48.3 | 3.68 | 4.05 |
| 2" | 60.3 | 3.91 | 5.44 |
| 3" | 88.9 | 5.49 | 11.29 |
| 4" | 101.6 | 6.02 | 14.18 |
Note: Tolerances per ASTM A312. Custom lengths available upon request.
Why Choose Our 316L Sanitary Pipe?
- Superior Corrosion Resistance: 316L’s molybdenum content (2-3%) provides excellent protection against chlorides, acids, and alkaline solutions – critical for dairy and beverage processing.
- Hygienic Design: Mirror-polished welds (if applicable) and internal surfaces eliminate crevices where bacteria can thrive, meeting FDA and EHEDG guidelines.
- High Flow Efficiency: Smooth surface reduces friction loss, lowering pump energy costs and improving system throughput.
- Long Service Life: Low carbon content (max 0.03%) prevents sensitization during welding, maintaining corrosion resistance in heat-affected zones.
- Global Market Acceptance: Our pipes are exported to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East – trusted by international clients.
At Hemaokang Steel, we combine advanced manufacturing technology with strict quality control. Our ISO9001-certified facility in Liaocheng, Shandong, China, ensures every pipe meets the highest standards. With annual export revenue between US$50–100 million, we have the capacity to fulfill large orders while maintaining on-time delivery. We serve diverse markets including domestic China, Western Europe, Eastern Europe, and South Asia. Our team of 51–100 skilled employees is dedicated to providing customized solutions, from special lengths to packaging options. Backed by robust supply chain management, we offer competitive pricing without compromising quality. Invest in reliability – choose Hemaokang’s 316L sanitary pipe for your next project. Contact us today for a quote or sample request.
Frequently Asked Questions (FAQ)
-
Q: What is the difference between 316 and 316L stainless steel?
A: 316L has a lower carbon content (≤0.03%) compared to 316 (≤0.08%). This reduces the risk of carbide precipitation during welding, making 316L preferable for welded sanitary applications where corrosion resistance is critical. -
Q: Is your pipe suitable for CIP (Clean-in-Place) systems?
A: Yes. The 3A sanitary grade with mirror-polished internal surface (Ra ≤ 0.4μm) is designed for CIP and SIP systems, allowing easy cleaning and sterilization without residue buildup. -
Q: Can you provide a material test report (MTR)?
A: Absolutely. We can issue a certified mill test report for each batch upon request, detailing chemical composition and mechanical properties. -
Q: What lengths are available?
A: Standard length is 6 meters (20 feet). Custom lengths from 1m to 12m are available upon request, subject to minimum order quantity. -
Q: Do you offer both seamless and welded options?
A: We offer both seamless and welded (longitudinal) pipes per AISI A312. For sanitary applications, welded pipes with smooth internal weld beads are commonly used. Please specify your preference. -
Q: What is the typical lead time for a 20-foot container?
A: Lead time is typically 15–25 working days after order confirmation, depending on quantity and specifications. Expedited options are available for urgent orders. -
Q: Are your pipes compliant with FDA or 3A standards?
A: Our pipes are manufactured to meet 3A sanitary standards, which align with FDA requirements for food contact surfaces. However, we recommend customers verify specific local regulations. -
Q: Do you provide free samples?
A: Yes, we can provide free samples (up to 30cm length) for qualification. Customer pays shipping costs. Contact our sales team for details.
Send Inquiry to This Supplier
1Yr
Year Established
2025
Annual Export Value
US$50 Million - US$100 Million
Total Employees
51 - 100 People
Product Certifications
ISO9001
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