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Quality Corrosion Resistant Welded Steel Tube Annealed Pickled Finish For Food Applications factory
Quality Corrosion Resistant Welded Steel Tube Annealed Pickled Finish For Food Applications factory

Corrosion Resistant Welded Steel Tube Annealed Pickled Finish For Food Applications

Basic Properties
Place of Origin: MADE IN CHAINA
Brand Name: Baosteel，TISCO
Certification: EN 10204 Type 3.1 / 3.2 available
Model Number: 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507
Trading Properties
Minimum Order Quantity: 100kg
Price: Negotiable (Request a Quote)
Payment Terms: T/T，D/P，D/A，Western Union，PayPal
Supply Ability: 10000tons
Tags

Molybdenum Alloy Stainless Steel Pipe

Stainless Steel Pipe Chloride Resistance

Corrosion Resistant Welded Steel Tube
Product Summary
The Corrosion-Resistant Welded Steel Tube is manufactured from high-quality stainless steel coils, formed into a cylindrical or rectangular shape, and longitudinally welded using advanced TIG (GTAW) or laser welding technologies. Designed for environments where moisture, chemicals, or atmospheric ...

Product Details

Highlight:

Corrosion Resistant Welded Steel Tube

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Welded Steel Tube Annealed

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Welded Steel Tube Pickled
Country Of Origin: MADE IN CHAINA
Brand: Baosteel，TISCO
Certifications: ISO/EN 10204 Type 3.1 / 3.2 Available
Grade: 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH)
MOQ: 100kg
Price: Negotiable (Request A Quote)
Packaging: Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag
Delivery Time: 15-25days
Payment Terms: T/T，D/P，D/A，Western Union，PayPal
Supply Capacity: 10000tons
Product Description

The Corrosion-Resistant Welded Steel Tube is manufactured from high-quality stainless steel coils, formed into a cylindrical or rectangular shape, and longitudinally welded using advanced TIG (GTAW) or laser welding technologies. Designed for environments where moisture, chemicals, or atmospheric exposure would degrade ordinary carbon steel, this tube provides excellent resistance to rust, pitting, and oxidation. It offers a cost-effective solution for applications requiring durability, cleanliness, and long service life with minimal maintenance.

Product Specifications
Parameter Details
Standards ASTM A554, A269, A312; EN 10217-7; JIS G3446
Available Grades 304, 304L, 316, 316L, 201, Duplex 2205
Shapes Round, Square, Rectangular
Outer Diameter (Round) 6 mm – 219 mm (1/4″ – 8″)
Square Sizes 10 mm * 10 mm – 150 mm * 150 mm
Rectangular Sizes 20 mm * 10 mm – 200 mm * 100 mm
Wall Thickness 0.5 mm – 6.0 mm
Length 3m, 6m, or custom lengths upon request
Welding Process TIG (GTAW), Laser, or ERW
Heat Treatment Annealed after welding (standard)
Surface Finish Mill finish, pickled, brushed, or polished
Chemical Composition (Typical Values, %)
Grade C ≤ Si ≤ Mn ≤ P ≤ S ≤ Cr Ni Mo
304 0.08 0.75 2.00 0.045 0.030 18.0-20.0 8.0-10.5 –
304L 0.03 0.75 2.00 0.045 0.030 18.0-20.0 8.0-12.0 –
316 0.08 0.75 2.00 0.045 0.030 16.0-18.0 10.0-14.0 2.0-3.0
316L 0.03 0.75 2.00 0.045 0.030 16.0-18.0 10.0-14.0 2.0-3.0
201 0.15 0.75 5.5-7.5 0.045 0.030 16.0-18.0 3.5-5.5 –

Molybdenum grades (316/316L) provide enhanced resistance to chlorides and acidic environments.

Mechanical Properties (at Room Temperature)
Grade Tensile Strength (MPa) min Yield Strength (MPa) min Elongation (%) min Hardness (HB) max
304 515 205 35 201
304L 485 170 35 201
316 515 205 35 217
316L 485 170 35 217
201 515 275 35 241

Tested in accordance with ASTM E8 / E8M.

Corrosion Resistance Guide
Environment 304 / 304L 316 / 316L 201
Atmospheric (rural) Excellent Excellent Good
Atmospheric (industrial) Good Excellent Fair
Atmospheric (coastal/marine) Fair Excellent Poor
Fresh Water Excellent Excellent Good
Potable Water Excellent Excellent Good
Wastewater Good Excellent Fair
Dilute Acids Good Excellent Fair
Alkalis / Caustics Excellent Excellent Good
Chloride Solutions Limited Good Poor
High Temperature Oxidation Good (up to 870°C) Good (up to 870°C) Limited
Key Features

  • Superior Corrosion Resistance – Outperforms carbon steel, galvanized, and coated tubes

  • No Protective Coating Required – Inherent corrosion resistance eliminates painting

  • Long Service Life – Decades of performance in corrosive environments

  • Low Maintenance – Easy to clean; no rust removal or repainting

  • High Temperature Resistance – Retains strength and oxidation resistance up to 870°C (1600°F)

  • Excellent Weldability – Can be welded without loss of corrosion resistance (L grades)

  • Hygienic Surface – Non-porous, easy to sanitize

  • 100% Recyclable – Environmentally sustainable

Applications
Plumbing & Water Systems

  • Potable water distribution

  • Hot and cold water lines

  • Solar water heating systems

  • Swimming pool piping

Food & Beverage

  • Dairy and brewery process lines

  • Edible oil transfer

  • Beverage dispensing systems

  • Sanitary utility piping

HVAC & Refrigeration

  • Chilled water lines

  • Condenser water piping

  • Refrigerant lines

  • Steam distribution (low pressure)

Architectural

  • Handrails and balustrades

  • Furniture frames

  • Display racks and fixtures

  • Decorative trim

Industrial

  • Compressed air lines

  • Cooling water systems

  • Chemical transfer (mild)

  • Washdown stations

Marine & Coastal

  • Boat railings (316 grade)

  • Dock and marina structures

  • Coastal building components

Agriculture

  • Irrigation systems

  • Livestock watering lines

  • Greenhouse structures

Comparison: Corrosion-Resistant Welded Tube vs. Alternatives
Material Corrosion Resistance Initial Cost Maintenance Cost Service Life
Stainless Steel (304/316) Excellent Higher Very Low 30-50+ years
Carbon Steel + Paint Poor (if coating fails) Low High 5-15 years
Galvanized Steel Fair Medium Medium 10-20 years
Copper Good High Low 30+ years
PVC / Plastic Excellent Low Very Low 20-30 years

Stainless steel offers the best life-cycle cost for many applications due to eliminated coating and reduced replacement frequency.

Surface Finish Options
Finish Description Best For
Mill Finish As-welded, oxide scale present Industrial / concealed applications
Pickled Acid-cleaned, removes scale Maximum corrosion resistance
Brushed / Satin 180-320 grit directional grain Architectural and visible applications
Polished 400-600 grit, semi-reflective Food processing, decorative
Bead Blasted Matte, uniform texture Architectural, anti-glare surfaces
Contact Us

For inquiries, technical datasheets, or custom sizes, please contact our sales team.

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