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Help CenterHigh-Strength 201/304/304L Stainless Steel Square Shaped Welded Tube 5mm Thick
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As a specialized manufacturer with ISO-certified facilities in Changsha, Hunan Yige Special Steel Science Technology Co.,Ltd delivers precision-engineered stainless steel solutions since 2015. Our high-strength 201/304/304L stainless steel square welded tubes with 5mm thickness combine structural integrity with exceptional corrosion resistance, engineered to withstand demanding industrial environments. Serving global markets from North America to Oceania, we leverage 5,000-10,000 sqm manufacturing capabilities to ensure material consistency and dimensional accuracy.
Technical Specifications & Advantages:
- Optimal material selection: 304L variant offers enhanced weldability for low-carbon applications
- Precision welding technology ensures uniform bead formation and leak-proof joints
- Meets ASTM A554 standard for mechanical tubing tolerances (±0.1mm)
- Bright annealed surface minimizes post-fabrication cleaning requirements
- Internal stress relief treatment enhances formability during installation
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Corrosion Resistance |
| 201 | ≥655 | ≥310 | Moderate |
| 304 | ≥515 | ≥205 | Excellent |
| 304L | ≥485 | ≥170 | Superior (post-weld) |
Clients benefit from reduced lifecycle costs through minimized maintenance requirements and extended service durability. The square profile facilitates seamless integration in architectural frameworks, conveyor systems, and structural supports where right-angle connections are critical. Custom cutting, polishing, and protective packaging services are available to meet specific project requirements.
Trust & Quality Assurance:
Operating from our expansive facility in Hunan, we maintain dual ISO 9004 (quality management) and ISO 14000 (environmental management) certifications, ensuring rigorous process control from raw material inspection to final shipment. With established supply chains across 15 global markets including Western Europe and North America, we guarantee on-time delivery backed by technical support. Our 5mm thick tubes undergo ultrasonic testing to verify wall thickness consistency and weld integrity.
FAQ:
-
Q: What is the minimum order quantity?
A: MOQ starts at 2 metric tons, with volume discounts available. -
Q: Can you provide custom sizes beyond standard dimensions?
A: Yes, we produce tubes from 10x10mm to 150x150mm upon request. -
Q: How do I choose between 304 and 304L grades?
A: 304L is recommended for welding applications to prevent carbide precipitation. -
Q: What packaging is used for export shipments?
A: Bundles with waterproof wrapping and edge protectors for ocean freight. -
Q: Are test reports provided?
A: Mill test certificates compliant with EN 10204 3.1 are included. -
Q: What is the lead time for 20-ton orders?
A: Standard production requires 15-20 days after confirmation. -
Q: Do you offer surface finishing options?
A: Brushed, sandblasted, or mirror finishes available at additional cost. -
Q: How does 201 grade compare cost-wise?
A: 201 offers approximately 15-20% cost savings versus 304 series.
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