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Quality EN 10296-2 SS Rectangular Tubing 304L SS RHS Low Carbon For Food Pharma Applications factory
Quality EN 10296-2 SS Rectangular Tubing 304L SS RHS Low Carbon For Food Pharma Applications factory
Quality EN 10296-2 SS Rectangular Tubing 304L SS RHS Low Carbon For Food Pharma Applications factory

EN 10296-2 SS Rectangular Tubing 304L SS RHS Low Carbon For Food Pharma 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
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Molybdenum Alloy Stainless Steel Pipe

Stainless Steel Pipe Chloride Resistance

EN 10296-2 SS Rectangular Tubing
Product Summary
304L Rectangular Tubing is a low-carbon version of the popular 304 stainless steel, manufactured as welded or seamless rectangular hollow sections (RHS). The "L" stands for "low carbon" (≤ 0.035%), which provides superior weldability and eliminates the risk of intergranular corrosion after welding. ...

Product Details

Highlight:

EN 10296-2 SS Rectangular Tubing

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SS Rectangular Tubing Low Carbon

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304L SS RHS
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

304L Rectangular Tubing is a low-carbon version of the popular 304 stainless steel, manufactured as welded or seamless rectangular hollow sections (RHS). The "L" stands for "low carbon" (≤ 0.035%), which provides superior weldability and eliminates the risk of intergranular corrosion after welding.

Unlike standard 304, 304L can be used in the as-welded condition without requiring post-weld heat treatment (solution annealing). This makes it the preferred choice for welded structures, food processing equipment, pharmaceutical facilities, and architectural applications where corrosion resistance and fabrication ease are critical.

Quick Facts Value
Grade 304L (UNS S30403 / 1.4307)
Shape Rectangular
Standards ASTM A554, ASTM A269, EN 10296-2, EN 10297-2
Process Welded (cold-formed) or seamless
Key Feature Low carbon, excellent weldability
Primary Use Welded structures, food/pharma equipment, architectural
Specifications, Dimensions, Standards & Packaging
Product Specifications
Parameter Details
Standard ASTM A554 (mechanical), ASTM A269 (seamless), EN 10296-2 (welded), EN 10297-2 (seamless)
Material Grade 304L / UNS S30403 / 1.4307
Shape Rectangular Hollow Section (RHS)
Manufacturing Process Cold-formed welded or cold-drawn seamless
Condition Annealed (solution treated)
Surface Finish Mill finish, pickled, brushed (#4), polished (#8 mirror)
Length 6,000 mm (standard) / 12,000 mm / custom cut
End Finish Plain cut, deburred / Plastic end caps (optional)
Standard Size Range (Rectangular Tube)
Height * Width (mm) Wall Thickness (mm)
20 * 10 1.0 – 1.5
30 * 15 1.2 – 2.0
40 * 20 1.5 – 2.5
50 * 25 1.5 – 3.0
50 * 30 1.5 – 3.0
60 * 30 1.5 – 3.0
60 * 40 2.0 – 4.0
80 * 40 2.0 – 4.0
80 * 60 2.5 – 5.0
100 * 40 2.5 – 5.0
100 * 50 2.5 – 5.0
100 * 80 3.0 – 6.0
120 * 60 3.0 – 6.0
120 * 80 3.0 – 6.0
150 * 100 3.0 – 8.0
200 * 100 4.0 – 8.0
250 * 150 5.0 – 10.0

Custom sizes available upon request.

Applicable Standards
Standard Description Typical Use
ASTM A554 Welded stainless steel mechanical tubing Architectural, handrails, furniture
ASTM A269 Seamless stainless steel tubing Sanitary, pharmaceutical, high purity
EN 10296-2 Welded stainless steel structural tubes Construction, general fabrication
EN 10297-2 Seamless stainless steel mechanical tubes High-strength mechanical components
Dimensional Tolerances
Parameter ASTM A554 EN 10296-2
Height & Width ± 0.4 – 0.8 mm ± 1% (max ± 5 mm)
Wall thickness ± 10% ± 10% (min ± 0.2 mm)
Straightness ≤ 1.0 mm/m ≤ 0.15% of length
Twist ≤ 1° + 0.5°/m ≤ 2 mm + 0.5 mm/m
Corner radius 1.5* – 2.5* wall ≤ 3* wall thickness
Packaging Methods
Packaging Type Description
Bundled with steel straps 0.5 – 2 tons per bundle
Plastic end caps Protects tube ends and internal surface
Interleaved paper Prevents surface scratches between tubes
Wooden crates For export and polished finishes
Waterproof wrapping For ocean / long-distance shipment
Individual poly bag For polished/mirror finish tubes
Chemical Composition

Per ASTM A240 / EN 10088, 304L has the following chemical requirements.

Element Content (%) Function
Carbon (C) ≤ 0.035 Low carbon prevents carbide precipitation
Chromium (Cr) 18.0 – 20.0 Provides corrosion resistance
Nickel (Ni) 8.0 – 12.0 Stabilizes austenitic structure
Manganese (Mn) ≤ 2.00 Improves strength
Silicon (Si) ≤ 1.00 Deoxidizer
Phosphorus (P) ≤ 0.045 Low for toughness
Sulfur (S) ≤ 0.030 Low for cleanliness
Nitrogen (N) ≤ 0.10 Increases strength
304 vs 304L Comparison
Element 304 304L Advantage of 304L
Carbon ≤ 0.08% ≤ 0.035% No sensitization after welding
Nickel 8.0 – 10.5% 8.0 – 12.0% Slightly higher Ni for stability
PWHT Required Yes (solution anneal) No Lower fabrication cost
Mechanical Properties
Tensile Requirements (Annealed Condition)
Property ASTM A554 EN 10296-2
Tensile Strength ≥ 485 MPa 490 – 690 MPa
Yield Strength (0.2%) ≥ 170 MPa ≥ 200 MPa
Elongation ≥ 35% ≥ 35%

Values are minimum requirements. Actual properties may be higher depending on tube size and manufacturing process.

Physical Properties
Property Value
Density 7.93 g/cm³
Modulus of Elasticity 193 GPa
Thermal Conductivity 16.2 W/m·K (at 100°C)
Specific Heat 500 J/kg·K
Electrical Resistivity 72 µΩ·cm
Melting Range 1400 – 1450°C
Hardness
Condition Hardness (HB)
Annealed ≤ 183 HB
As-welded ≤ 200 HB (typical)
Comparison: 304L vs Other Grades
Grade Yield (MPa) Tensile (MPa) Weldability Corrosion Resistance Cost
304L ≥ 170 ≥ 485 Excellent Good (general) $$
304 ≥ 205 ≥ 515 Fair (PWHT needed) Good $$
316L ≥ 170 ≥ 485 Excellent Excellent (marine) $$$
430 ≥ 205 ≥ 450 Poor Fair $
Applications

Primary Use: Welded structures and equipment requiring corrosion resistance

Other Applications:

  • Food processing equipment (conveyors, tanks, tables)
  • Pharmaceutical and sanitary tubing
  • Architectural handrails and balustrades
  • Furniture frames (indoor and outdoor)
  • Chemical storage and transport equipment
  • Brewery and dairy processing lines
  • Medical device frames and components
  • Water treatment equipment
  • Elevator trim and architectural accents
  • Display racks and shelving

Quick Pick:

Need Choose
Welded structure (no PWHT) 304L
Marine / coastal environment 316L
High-temperature service (>400°C) 304H or 321
Cost-sensitive, no welding 304
Sanitary / high purity 304L seamless (ASTM A269)
Architectural / decorative 304L with brushed/polished finish
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