C350 resistance welded structural pipe is manufactured in accordance with New Zealand and Australian Standard AS/NZS 1163, which requires chemical element analysis, weld inspection, tensile testing, etc. GNEE Group, as an experienced structural pipe manufacturer, can provide you with high quality and qualified C350 structural pipe, as well as other cold-formed welded structural pipe complying with the AS/NZS 1163 standard. Please contact us if you have any needs.

C350 Hollow Section Specification
| Name |
Cold Formed Welded Square And Rectangular Hollow Sections Tubing |
| Specification | 20mmx20mm - 800mmx800mm 20mmx30mm - 400mmx800mm |
| Wall Thickness | 1.0mm - 30mm |
| Length | 1m - 16m or Customerized |
| Steel material | Q195 → SS330,ST37,ST42 Q235 → SS400,S235JR Q345 → S355JR,SS500,ST52 |
| Surface Treatment | 1) Bared 2) Black Painted (varnish coating) 3) Galvanized 4) Oiled 5) PE,3PE, FBE, corrosion resistant coating, Anti corrosion coating |
FAQ
Q: Can we visit your factory?
A: Of course, we welcome you to visit our factory on-site or visit our production line through online videos to learn more about our strength and quality. Once we have your schedule, we will arrange a professional sales team to follow up with you.
Q: What are the equipment in your factory?
A: Our factory has advanced processing and testing equipment such as hot-rolled product production lines, cold-rolled seamless steel pipe production equipment, cold-rolled coil production equipment, customized steel cutting equipment, ultrasonic testing systems, element analyzers, coating thickness gauges, etc., making our products of higher quality and production efficiency.
Q: How do you ensure the quality of the product?
A: All products must undergo three inspections throughout the entire manufacturing process, including production, cutting, and packaging. The factory inspection report is provided with the goods. If necessary, third-party inspections such as SGS can be accepted.
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