Stainless Steel Welded Round Tube
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5. Smooth production ability (50000tons/month)
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introduction
The Stainless Steel Welded Round Tube is a round welded tube made of stainless steel strips ( 201, 304, 316L) through cold rolling, high-frequency induction welding, and pickling and passivation.
feature
Dense weld
Using high-frequency induction welding technology, a Stainless Steel Welded Round Tube achieves a high-strength connection between the weld and the parent material. The strength and toughness of the weld area are close to the parent material, ensuring the reliability of the tube under pressure and vibration.
Smooth surface
Through pickling and passivation treatment, a dense passivation film is formed on the surface of the Stainless Steel Welded Round Tube, and the surface roughness value can be controlled at Ra≤0.8μm, meeting the application scenarios with high requirements for appearance and hygiene.
Stable precision
Cold rolling forming technology enables the dimensional tolerance of Stainless Steel Welded Round Tube to be controlled within ±0.2mm, and the roundness error does not exceed 1%, ensuring its high adaptability in automated welding, precision assembly, etc.
Specifications
| Grade | Diameter (mm) | Wall Thickness (mm) | Length (mm) |
|---|---|---|---|
| 304 | 10 - 200 | 0.5 - 5.0 | 3000 - 6000 |
| 316L | 10 - 200 | 0.5 - 5.0 | 3000 - 6000 |
| 201 | 10 - 200 | 0.5 - 5.0 | 3000 - 6000 |
Mechanical Properties
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|
| 304 | ≥520 | ≥205 | ≥40 |
| 316L | ≥485 | ≥170 | ≥40 |
| 201 | ≥520 | ≥275 | ≥35 |
Chemical Composition
| Grade | C (%) | Mn (%) | Cr (%) | Ni (%) | Mo (%) |
|---|---|---|---|---|---|
| 304 | ≤0.08 | ≤2.00 | 18.0-20.0 | 8.0-10.5 | - |
| 316L | ≤0.03 | ≤2.00 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| 201 | ≤0.15 | 5.50-7.50 | 16.0-18.0 | 3.5-5.5 | - |
Applications
Construction and Decoration: Railings, frames, and handrails.
Food Industry: Piping for liquids and hygienic equipment.
Chemical Processing: Resistant tubing for corrosive environments.
Automotive and Machinery: Structural components and exhaust systems.
Manufacturing Process
Our stainless steel welded round tubes are produced using state-of-the-art techniques. The process involves:
Raw Material Selection: Premium stainless steel strips are chosen for quality assurance.
Forming: Strips are shaped into cylindrical tubes through a roll-forming process.
Welding: Tubes are welded with high-frequency welding to ensure seamless joints.
Surface Treatment: Polishing and annealing are performed for a smooth, corrosion-resistant surface.
Inspection: Rigorous quality control ensures precise dimensions, clean edges, and durability.
Our Factory
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