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Help CenterStainless Steel Pipe 304 316L 3 Inch 4 Inch 6 Inch for Food Processing Sanitary 2B Surface Finish
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Welcome to Hemaokang Steel (Shandong) Co., Ltd. – your trusted partner in high-quality stainless steel solutions. Since our establishment in 2025, we have rapidly grown to serve global markets, exporting over US$50 million to US$100 million annually. Our team of 51–100 dedicated professionals ensures that every product meets the highest standards of precision and reliability. Our Stainless Steel Pipe 304/316L in 3 inch, 4 inch, and 6 inch diameters is specifically designed for food processing and sanitary applications, featuring a 2B surface finish that combines hygiene with durability. Whether you need pipes for dairy, beverage, pharmaceutical, or biotech industries, our products deliver the cleanliness and corrosion resistance you demand.
This pipe is manufactured from premium-grade 304 or 316L stainless steel, offering excellent resistance to corrosion, chemicals, and high temperatures. The 2B surface finish provides a smooth, easy-to-clean surface that meets strict sanitary standards, reducing the risk of bacterial growth. Available in 3 inch, 4 inch, and 6 inch outer diameters, our pipes can be customized in wall thickness and length to fit your specific requirements. They are ideal for food processing lines, clean rooms, and hygienic transport systems where product purity is paramount.
| Parameter | Specification | Benefit |
|---|---|---|
| Material | 304 / 316L Stainless Steel | Excellent corrosion resistance & mechanical strength |
| Outer Diameter | 3", 4", 6" (76.2 mm, 101.6 mm, 152.4 mm) | Compatible with industry-standard fittings |
| Surface Finish | 2B (cold rolled, brushed) | Smooth, non-porous surface – easy to clean & sanitize |
| Wall Thickness | Customizable (e.g., 1.65 mm, 2.11 mm, 3.05 mm) | Tailored to pressure & load requirements |
| Length | Customizable (standard 6m, or cut to order) | Reduces waste & installation time |
| Application | Food processing, sanitary, pharmaceutical, dairy | Meets strict hygiene regulations |
Key Features & Advantages:
- Hygienic Design: The 2B surface finish minimizes crevices and roughness, preventing bacterial adhesion and making cleaning routines quick and effective.
- Grade Flexibility: Choose between 304 (general corrosion resistance) and 316L (superior resistance to chlorides and acids) – both are food-grade and FDA-compliant when processed.
- Dimensional Precision: Our pipes are manufactured with tight tolerances (±0.5% on diameter), ensuring leak-free connections with standard sanitary fittings (tri-clamp, butt-weld, etc.).
- High Mechanical Strength: Suitable for both low-pressure and moderate-pressure systems, with wall thickness options that can be reinforced upon request.
- Global Compatibility: Sizes in inches (3", 4", 6") are widely used in North American and international food processing plants, making integration seamless.
- Customization Available: Length, wall thickness, end preparation (beveled, plain, threaded), and packaging can be tailored to your project needs.
- Traceability: Each batch comes with mill test certificates (MTC) confirming chemical composition and mechanical properties.
Why Choose Hemaokang Steel? With an annual export value of US$50 million – US$100 million and a team of 51–100 skilled employees, we have the capacity to fulfill large orders while maintaining strict quality control. Our ISO9001 certification ensures that every pipe is manufactured under a robust quality management system. We serve markets across North America, South America, Europe, Asia, Africa, and Oceania, providing reliable supply chains and responsive customer service. Our location in Liaocheng, Shandong, China – a renowned steel production hub – gives us access to raw materials and logistics advantages.
Trusted by food processors worldwide, our stainless steel sanitary pipes have been used in dairy plants, beverage bottling lines, breweries, and pharmaceutical facilities. We are committed to delivering products that not only meet but exceed your expectations. Contact us today for a quote or to discuss your custom requirements – we are ready to support your next project with high-quality materials and professional service.
Frequently Asked Questions (FAQ)
-
What is the difference between 304 and 316L stainless steel for food processing?
304 is suitable for general food contact and acidic environments, while 316L contains molybdenum, offering superior resistance to chlorides (e.g., salt, brine) and acidic cleaners. For applications involving high salt content or aggressive cleaning agents, 316L is recommended. -
Are these pipes certified for direct food contact?
Yes, the 304 and 316L grades meet FDA/CFR 21 standards for food contact surfaces when properly processed. Our pipes are manufactured with sanitary surface finishes (2B) that comply with 3-A sanitary standards and ISO 9001 quality management. -
Can I get custom lengths or wall thicknesses?
Absolutely. We offer customization on length (from 0.5m to 6m or more) and wall thickness (e.g., 1.0mm to 4.0mm). Please provide your specifications, and we will produce accordingly. -
What end connections are available for these pipes?
We can supply plain ends, beveled ends for butt-welding, or with tri-clamp ferrules welded on. Welding ends can be prepared to your schedule. Please specify your preferred connection type when ordering. -
How does the 2B surface finish compare to a mirror polish (No. 8)?
2B is a cold-rolled, brushed finish with a matte appearance – it is less reflective than mirror polish but still smooth and easy to clean. It is the most common finish for sanitary pipes because it offers good corrosion resistance at a lower cost. Mirror polish is available upon request for applications requiring extreme cleanliness. -
What is the minimum order quantity (MOQ)?
Our MOQ for standard sizes is typically 100 meters per diameter, but we can accommodate smaller trial orders for new customers. Contact our sales team for details. -
Do you provide mill test certificates (MTC)?
Yes, we provide MTCs for every batch, documenting chemical composition, mechanical properties, and heat treatment results. Third-party inspection (e.g., SGS, Bureau Veritas) is also available at extra cost. -
How long does delivery usually take?
For standard sizes and finishes, delivery takes 15–25 working days after order confirmation. Custom orders may require 25–35 working days. We ship via sea, air, or express based on your preference.
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