Cold Drown/Hot Rolled No.1 Surface Welded Stainless Steel Tube
Cold Drown/Hot Rolled No.1 Surface Welded Stainless Steel Tube
Baobin's stainless steel tubes are precision-engineered for a wide range of industrial applications. These tubes are manufactured through a cold drown or hot rolled process, followed by a No.1 surface finish, ensuring excellent mechanical properties and surface quality. Our welded stainless steel tubes are widely used in:
- Chemical processing equipment
- Food and beverage processing
- Pharmaceutical manufacturing
- Oil and gas industries
- Architectural and decorative applications
- Automotive components
Product Specifications & Customization Options
Baobin offers extensive customization options to meet your specific requirements. We can tailor the following parameters:
| Parameter | Standard Range | Customization Available |
|---|---|---|
| Outer Diameter (OD) | 6mm - 219mm | Yes (custom sizes available) |
| Wall Thickness | 0.5mm - 6mm | Yes (custom thicknesses available) |
| Length | 1m - 12m | Yes (custom lengths available) |
| Material Grade | 304, 316, 316L, 321, 310S | Yes (other grades available upon request) |
| Surface Finish | No.1 (hot rolled), No.2D (cold rolled) | Yes (other finishes available) |
| Delivery Time | 7-14 days (standard) | Express options available |
Material Properties
Our stainless steel tubes exhibit excellent corrosion resistance, high strength, and durability. Key properties include:
| Property | 304 Grade | 316 Grade |
|---|---|---|
| Tensile Strength (MPa) | 515-655 | 485-620 |
| Yield Strength (MPa) | 205-275 | 205-275 |
| Elongation (%) | 40 | 40 |
| Hardness (HB) | 180-210 | 180-210 |
| Corrosion Resistance | Good (general purpose) | Excellent (marine/chemical applications) |
Certifications & Standards
All our stainless steel tubes comply with international standards and are backed by comprehensive certifications:
| Standard | Details |
|---|---|
| ASTM A269 | Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing |
| ASTM A270 | Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing |
| EN 10217 | Welded stainless steel tubes for pressure purposes |
| ISO 1127 | Welded stainless steel tubes |
| ISO 9001 | Quality Management System |
| ISO 14001 | Environmental Management System |
Frequently Asked Questions
Cold drown tubes are processed at room temperature, resulting in better surface finish and tighter dimensional tolerances. Hot rolled tubes are processed at high temperatures, making them more suitable for larger diameters and thicker walls. Both processes produce high-quality tubes, with the choice depending on specific application requirements.
Yes, in addition to the standard No.1 surface finish, we can provide various other finishes including No.2D (cold rolled), No.4 (brushed), No.6 (mirror), and No.8 (super mirror). Please contact our sales team for specific finish options and availability.
Our minimum order quantity varies depending on the specific customization requirements. For standard sizes, we can accommodate smaller quantities. For highly customized specifications, we typically require a minimum order of 500kg or 1000 pieces, depending on the tube dimensions. Please consult our sales team for precise MOQ information.
We implement a rigorous quality control process throughout production. This includes raw material inspection, in-process quality checks, and final product testing. Our quality control measures cover dimensional accuracy, surface finish, mechanical properties, and corrosion resistance. All products are tested against relevant international standards before shipment.
