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Help Center201 Stainless Steel Pipe 20mm-100mm OD Welded Tube 1.5mm-3mm Wall for Construction
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Hemaokang Steel (Shandong) Co., Ltd. takes pride in offering high-quality 201 Stainless Steel Pipe 20mm-100mm OD Welded Tube 1.5mm-3mm Wall for Construction, designed to meet the rigorous demands of modern building projects. As a newly established yet rapidly growing manufacturer with an annual export value reaching US$50 million to US$100 million, we combine advanced production technology with strict quality control to deliver reliable pipes that ensure structural integrity and long service life. Our 201 stainless steel welded tubes are widely used in construction frameworks, handrails, scaffolding, and decorative structures, providing excellent corrosion resistance and cost-effectiveness for contractors and distributors worldwide.
This product series covers a versatile range of outer diameters from 20mm to 100mm with wall thicknesses between 1.5mm and 3mm, making it suitable for both light-duty and medium-duty construction applications. Manufactured from premium 201 stainless steel, these pipes offer a balance of strength and formability, with a smooth surface finish that is easy to weld and polish. Whether you need standard 6-meter lengths or customized dimensions, Hemaokang Steel can fulfill your requirements with prompt delivery from our factory located in Liaocheng, Shandong, China.
Key Product Features & Technical Specifications
- Material Grade: 201 stainless steel (ASTM A240 / JIS G4305 equivalent), containing manganese and nitrogen to enhance strength while maintaining good corrosion resistance.
- Outer Diameter Range: 20mm, 25mm, 32mm, 38mm, 48mm, 60mm, 76mm, 89mm, 100mm (other sizes available upon request).
- Wall Thickness Options: 1.5mm, 2.0mm, 2.5mm, 3.0mm (customizable within ±0.1mm tolerance).
- Manufacturing Process: Cold-rolled steel strip → continuous welding (TIG or high-frequency) → annealing → straightening → cutting → inspection.
- Surface Treatment: Standard annealed and pickled finish (matte) or optional bright annealed / polished finish (mirror-like).
- Mechanical Properties: Tensile strength ≥ 520 MPa, yield strength ≥ 275 MPa, elongation ≥ 30%.
- Dimensional Accuracy: OD tolerance ±0.5% (for OD ≤ 50mm) and ±1% (for OD > 50mm); wall thickness tolerance ±10%.
- Length: Standard 6 meters, or custom lengths (1m–12m) as per order.
Technical Parameters Table
| Parameter | Value | Remarks |
|---|---|---|
| Outer Diameter (OD) | 20mm – 100mm | Available in 1mm increments |
| Wall Thickness (WT) | 1.5mm – 3.0mm | Custom wall thickness accepted |
| Standard Length | 6m | Other lengths up to 12m available |
| Surface Finish | Annealed & Pickled / Bright Annealed | Polishing option for decorative use |
| Tensile Strength | ≥ 520 MPa | Meets construction standards |
| Yield Strength | ≥ 275 MPa | Suitable for load-bearing structures |
| Elongation | ≥ 30% | Good ductility for bending/fabrication |
| Quality Standard | ISO9001:2015 | Certified by third-party auditor |
Advantages & Customer Benefits
- Cost-Effective Material: 201 stainless steel offers a lower cost compared to 304 while still providing adequate corrosion resistance for interior and sheltered construction applications.
- Versatile Sizing: With a wide range of outer diameters and wall thicknesses, you can select the exact specification for handrails, frames, supports, or decorative trims without over-engineering.
- Easy Fabrication: The welded tube has excellent weldability and can be cut, bent, drilled, or polished with standard tools, saving time and labor on site.
- Consistent Quality: Every batch undergoes strict dimensional and mechanical testing in our factory, ensuring uniformity and reliability for large-scale construction projects.
- Hassle-Free Logistics: Shipped from Qingdao Port, we offer flexible packaging options (bundled, in wooden crates, or with protective caps) to prevent damage during transit to markets across North America, South America, Europe, Africa, Asia, and Oceania.
Trust & Credibility
Hemaokang Steel (Shandong) Co., Ltd. is a ISO9001:2015 certified manufacturer, demonstrating our commitment to quality management systems. With a dedicated team of 51–100 employees and an annual export value between US$50 million to US$100 million, we have established long-term partnerships with clients in over 15 major markets including North America, Europe, Southeast Asia, Africa, and Oceania. Our factory in Liaocheng, Shandong, leverages state-of-the-art production lines and strict quality control to ensure every pipe meets international standards. Our experienced sales team provides prompt quotations, technical support, and after-sales service. We welcome you to contact us for a competitive price, sample testing, or customized solutions. Choose Hemaokang Steel for reliable construction piping that delivers performance and value.
Frequently Asked Questions (FAQ)
-
Q: What is the difference between 201 and 304 stainless steel for construction?
A: 201 stainless steel contains higher manganese and nitrogen, providing slightly lower corrosion resistance than 304 but at a significantly lower cost. It is suitable for dry interior environments, handrails, and structural applications where exposure to salt or chemicals is limited. For coastal or industrial areas, we recommend 304; for general construction, 201 is a cost-effective choice. -
Q: Can I get custom lengths or diameters not listed?
A: Yes, we offer customization. Outer diameters can be made in 1mm increments within the 20–100mm range, and wall thicknesses can be adjusted from 1.0mm to 4.0mm upon request. Custom lengths from 1m to 12m are also available. Please contact our sales team with your specific requirements. -
Q: Are these pipes suitable for load-bearing structures like scaffolding?
A: Yes, with a tensile strength of ≥520 MPa and yield strength ≥275 MPa, these pipes are suitable for light to medium load-bearing applications such as scaffolding frames, temporary structures, and support brackets. For heavy-duty scaffolding, we recommend consulting our technical team to confirm the appropriate wall thickness and diameter. -
Q: How do you ensure the quality of each shipment?
A: We follow ISO9001:2015 quality management procedures. Each pipe undergoes visual inspection, dimensional measurement, and mechanical testing (tensile, yield, elongation) before packing. A mill test certificate (MTC) is provided with every shipment. Third-party inspection (e.g., SGS, BV) is also available upon request. -
Q: What is the typical lead time for an order?
A: For standard sizes (e.g., 48mm OD x 2.5mm WT x 6m), lead time is 15–20 days after confirmation of order. For customized sizes, lead time is 20–30 days. We can arrange expedited production for urgent orders with a minimum quantity. -
Q: Do you offer surface finishing like polishing or painting?
A: Yes, we offer bright annealed (BA) finish which gives a mirror-like surface, suitable for decorative applications. We can also apply a brushed or satin finish. Painting is not standard but can be arranged as a third-party service. Please specify your surface requirement when ordering. -
Q: What is the packing method for export?
A: Standard export packing includes steel strapping in bundles, each bundle wrapped with waterproof paper and plastic film. For smaller diameters, hexagon bundles are used to prevent deformation. Wooden crates or pallets are available for fragile surfaces or small orders. Fumigated wood packaging is used for Australia and New Zealand markets. -
Q: Can I request a sample before placing a bulk order?
A: Absolutely. We offer free samples (up to 0.5m length) for quality evaluation. The customer only needs to pay for shipping costs. Contact us with your address and desired size, and we will send the sample within 3 working days.
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