HS 7306.30 HS 7306.30 — welded circular hot-dip galvanized steel tube; square/rectangular structural profile classifies under 7306.61
The frame carries the greenhouse: hot-dip galvanized steel resists the corrosion of humid greenhouse air season after season. We supply round tube and square/rectangular profile for both tunnel (round arch) and gothic (peaked arch) structures, cut and bent to span per your design. Send a drawing or a full bill of materials — the frame is quoted from the greenhouse design.
| Frame types / Konstrüksiyon | Tunnel (round arch) · Gothic (peaked arch) |
| Section / Kesit | Round tube Ø (7306.30) · square/rectangular profile □ (7306.61) |
| Diameter / Çap | Common Ø25 – Ø60 mm — confirmed per span |
| Wall thickness / Et kalınlığı | Typically 1.2 – 2.0 mm — per structural calculation |
| Length / Boy | Cut to length · bent to arch radius per design |
| Coating / Kaplama | Hot-dip galvanized (EN ISO 1461) · zinc mass per order |
| Standard / Standart | Per order (EN 10219 / EN 10305 as agreed) |
| RFQ | Quantity, part drawing or full greenhouse BOM accepted |
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