Safe · Hygienic · Durable · Globally Trusted

Your Reliable Partner for Food-Grade Stainless Steel Pipeline Solutions

In the food and beverage industry, product safety is non-negotiable. From raw material handling to final filling, every process relies on a clean, corrosion-resistant and hygienic piping system.

304 and 316L stainless steel pipes are globally recognized as the preferred materials for food and beverage processing. With excellent corrosion resistance, smooth inner surfaces, and full compliance with international standards, they ensure product purity, operational efficiency, and long service life.

As a professional manufacturer and exporter of food-grade stainless steel pipes, we provide not only high-quality products, but also complete pipeline solutions trusted by customers worldwide.

Why 304 & 316L Stainless Steel Are the Industry Standard

304 Stainless Steel Pipes

• Excellent general corrosion resistance

• Cost-effective solution for most food applications

• Ideal for:

  • Dairy processing

  • Drinking water systems

  • Soft drinks and non-acidic beverages

316L Stainless Steel Pipes

• Enhanced corrosion resistance with molybdenum (Mo) addition

• Superior performance in acidic, chloride-rich, or CIP-intensive environments

• Low carbon content (“L”) ensures excellent weld corrosion resistance

• Ideal for:

  • Juice, beer, wine, and spirits

  • High-hygiene and high-value beverage production lines

  • Export-oriented food factories

All our pipes strictly comply with GB/T 29038-2012, and can also be supplied according to ASTM, EN, DIN standards, ensuring smooth application in both domestic and international markets.

Ultra-Smooth Inner Surface – Designed for Hygiene

Surface finish is critical in food processing. A rough inner surface can trap residues, promote bacterial growth, and increase cleaning costs.

Food-Grade Surface Finish

• Mechanical polishing combined with chemical / electro-polishing

• Typical inner surface roughness:

  • Ra ≤ 0.8 μm – Standard food grade

  • Ra ≤ 0.6 μm – High hygiene level

  • Ra ≤ 0.4–0.5 μm – Mirror finish for premium applications

Key Benefits

• Faster and more effective CIP cleaning

• Reduced product residue and cross-contamination

• Lower maintenance and downtime

• Compliance with FDA, LFGB, and other food-contact regulations

Each pipe is inspected to ensure consistent surface quality, meeting the strict demands of modern automated production lines.

Professional Passivation – Long-Term Corrosion Protection

After manufacturing and welding, stainless steel surfaces may contain free iron or contaminants. Our professional passivation treatment is essential to maximize corrosion resistance.

What We Do

• Acid-based passivation (citric or environmentally friendly solutions)

• Removal of surface iron contamination

• Formation of a dense, chromium-rich passive layer

Why It Matters

• Significantly improves resistance to corrosion and pitting

• Ideal for acidic products and frequent CIP cleaning

• Ensures long-term food safety and material stability

This process greatly extends service life and is a key requirement for export-grade food piping systems.

Manufacturing Excellence You Can Trust

We control quality at every stage:

• Precision tube manufacturing

• High-quality welding with smooth inner weld seams

• Internal inspection using borescopes and surface testing

• Dimensional accuracy and roughness verification

Customization Capability

• Customized lengths, wall thicknesses, and surface finishes

• Matching fittings: elbows, tees, reducers, flanges, clamp fittings

• Suitable for complete food and beverage pipeline systems

Strong Export Capability – Serving Global Markets

We are more than a manufacturer—we are a global supplier.

• Long-term exports to Europe, North America, Southeast Asia, and the Middle East

• Familiar with FDA, LFGB, 3-A, and international food-grade requirements

• Professional export team ensuring:

  • Fast response

  • Stable lead times

  • Safe and flexible logistics solutions

Our products are widely used in dairy plants, beverage factories, breweries, and food processing facilities worldwide.

Why Choose Us

✔ Specialized in food-grade stainless steel piping
✔ Stable quality and strict inspection system
✔ Strong customization and engineering support
✔ Proven export experience
✔ Reliable long-term partner

Build a Safer, Cleaner, and More Efficient Production Line

Choosing 304 or 316L stainless steel pipes is an investment in food safety, production efficiency, and brand reputation.
Choosing the right supplier ensures that investment delivers long-term value.

Contact us today to discuss your project requirements and discover how our food-grade stainless steel pipe solutions can support your business worldwide.

Telephone: +86 14737199137

Email: info@qsfullmetal.com

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