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316L Austenitic Stainless Steel Round and Rectangular Tubes for Marine and Industrial Applications

Place of Origin: China
Brand Name: Baotong
Certification: ISO9001
Model Number: 316L
Minimum Order Quantity: 5tons
Price: Negotiable
Packaging Details: Bending, Welding, Decoiling, Punching, Cutting and Others.
Delivery Time: 15-45 days, depending on the situation and quantity
Payment Terms: L/C,D/A,D/P,T/T
Supply Ability: 100000 Tons/Year
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Specifications
Composition:
Iron, Chromium (16-26%), Nickel (6-22%), Manganese, Carbon (low)
Length:
1-6 Meters, Length Can Be Customized
Heatresistance:
Up To 870°C (1600°F)
Mechanicalstrength:
Good Tensile Strength And Toughness
Feature:
Heat Treatment
Equak Grade:
254SMO, S31254
Outer Diameter:
4mm-200mm
Form Of Supply:
Round Bar, Seamless Pipe
Edge Processing:
Edging, Trimming
Type:
Round
Size:
1219mm*3500mm
Standard:
AISI,ASTM,DIN,JIS,GB
Product Surface:
Black/bright/matte Etc
Dimensions:
10-300mm
Steel Grade:
300 Series
Product Description
316L Austenitic Stainless Steel Round and Rectangular Tubes for Marine and Industrial Applications
Product Introduction

316L Austenitic Stainless Steel Round and Rectangular Tubes are corrosion-resistant stainless steel tubing products widely used in marine equipment, chemical processing, industrial fabrication and structural applications. With low carbon content and molybdenum addition, 316L offers good resistance to pitting and corrosion in many chloride-containing environments while maintaining excellent weldability and forming performance.

Our 316L Austenitic Stainless Steel Round and Rectangular Tubes for Marine and Industrial Applications are available in different outside dimensions, wall thicknesses, lengths and surface finishes. Round tubes are suitable for piping, handrails and equipment components, while rectangular and square tubes are commonly used for frames, supports and fabricated structures.

Customized cutting, polishing, bending and welding services are available according to drawings and project requirements.

Product Specifications
Item Specification
Product 316L Austenitic Stainless Steel Tubes
Grade 316L
Stainless Steel Type Austenitic
Tube Shape Round, Square, Rectangular
Standard ASTM, AISI, JIS, EN, GB
Outside Diameter / Size Customized
Wall Thickness Customized
Length 1000–6000 mm or Customized
Surface Finish Mill Finish, 2B, Brushed, Polished
Processing Cutting, Bending, Welding, Polishing
Custom Size Available
Main Applications

316L Stainless Steel Round and Rectangular Tubes are suitable for a wide range of applications, including:

  • Marine equipment and coastal structures
  • Industrial piping systems
  • Chemical processing equipment
  • Machinery frames and supports
  • Heat exchanger components
  • Food processing equipment
  • Pharmaceutical equipment
  • Handrails and guardrails
  • Structural frames
  • Equipment enclosures
  • Fabricated industrial components
  • Corrosion-resistant metal structures

For marine and chloride-containing environments, the final material selection should consider chloride concentration, temperature and service conditions.

Round and Rectangular Tube Options

316L Stainless Steel Round Tube provides a smooth circular profile and is commonly used for piping systems, handrails, heat exchanger components and fabricated equipment.

316L Stainless Steel Rectangular Tube offers good structural stability and is suitable for machinery frames, equipment supports, architectural structures and industrial fabrication.

Square tubing can also be supplied for applications requiring uniform structural dimensions and clean appearance.

Product Advantages

Our 316L Austenitic Stainless Steel Tubes provide an excellent combination of corrosion resistance, fabrication performance and durability. The molybdenum content gives 316L better resistance to localized corrosion than 304 stainless steel in many chloride-containing environments.

The low carbon content also helps reduce the risk of intergranular corrosion after welding, making 316L particularly suitable for welded tubing structures and fabricated equipment.

Other advantages include smooth surface quality, good forming performance, multiple surface finish options and customized tube dimensions.

Processing and Customization

We provide customized processing for 316L Stainless Steel Round and Rectangular Tubes, including precision cutting, tube bending, welding, polishing, surface finishing and custom length processing.

Customers can provide drawings, dimensions or final application requirements, and the tubing can be prepared according to specific fabrication needs.

Quality Control

Before shipment, the tubes can be inspected for outside dimensions, wall thickness, length, straightness, surface condition and dimensional tolerance. Chemical composition and mechanical properties can also be checked according to order requirements.

Material Test Certificates can be provided when required.

Packaging and Shipping

The 316L Austenitic Stainless Steel Tubes are bundled securely and protected to reduce scratches, deformation and moisture damage during transportation. Waterproof wrapping, steel straps, wooden cases or export frames can be provided according to product size and shipping requirements.

We supply round, square and rectangular 316L stainless steel tubes to marine equipment manufacturers, industrial fabricators, chemical equipment companies and distributors worldwide.

FAQ
What are 316L stainless steel round and rectangular tubes used for?

They are commonly used in marine equipment, industrial piping, chemical processing, machinery frames, structural supports and fabricated components.

Why is 316L suitable for marine applications?

316L contains molybdenum, which improves resistance to pitting and localized corrosion in many chloride-containing environments compared with 304 stainless steel.

What is the difference between round and rectangular tubing?

Round tube is commonly selected for piping, handrails and fluid-related components, while rectangular tube is often used for structural frames, equipment supports and fabrication.

Can you supply square tubes as well?

Yes. Round, square and rectangular 316L stainless steel tubes can be supplied according to customer requirements.

Can tube dimensions be customized?

Yes. Outside diameter, width, height, wall thickness, length and surface finish can be customized.

Do you provide cutting and welding services?

Yes. Cutting, bending, welding, polishing and other customized fabrication services are available.

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