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We're handling a few other tenders for industrial builds right now, so I know exactly what you're looking at—steel structures that can take a beating and still stand for decades, and teh Q355B core with that 50+ year lifespan is basically what you get when you spec for heavy machinery or high-bay warehouses.
Span capacty goes from 12 right up to 60 meters, eave height adjustable form 6 to 30 meters, and the connection method uses Grade 10.9 bolts or welding depending on your preference—most buyers go with bolted for site assembly speed (usually 20 days or so from drawing approval).
For wind and seismic, we're talking Grade 12 wind resistance and Grade 8 seismic performance at 0.3g PGA, which is better than a lot of standerd portal frames out there, though fire resistnce is optional at 0.5-2.5 hours so you'll want to confirm that if your local codes are strict.
On the corrosion front, the shot blasting plus epoxy primer and fluorocarbon topcoat gives 3000+ hours —we actually had a client near the coast who used a similar spec and it held up fine after five years with just one repaint.
When you order, you get full documentation: ISO 9001/14001/45001 certs, CE marking, and design per GB 50017-2017 or EN 1090-2 or AWS D1.1 depending on your project, and our company can do PKPM or Tekla structural design as part of the package, but the MOQ is about 50 tons or so for custom spans.
Anyway, we usually have stock on common sections, but confirm the lead time for your specific span and eave height—we'll send a COA with every shipment, and payment terms are typically 30% deposit with 70% against bill of lading.
We can start with a single structure if you're testing the waters, but typically MOQ is around 500 square meters for a full project. For custom spans or special coatings, we might adjust that—just let us know your needs.
Once you sign off on the Tekla or PKPM design, production usually takes 4-6 weeks. That includes shot blasting, epoxy primer, and the fluorocarbon topcoat. If you need it faster, we can sometimes compress the timeline for an express fee.
Absolutely—every batch of Q355B or S355JR comes with mill certificates, and we can supply EN 1090-2, AWS D1.1, or AISC compliance docs on request. Just specify which standard you need when you place the order.
Yes, we can go higher than 30 meters and adjust the roof slope to your design, but it might require additional engineering through Tekla or PKPM. The standard range covers most industrial builds, but we're flexible for special projects.
We wrap all sections in waterproof VCI paper, secure them with steel strapping, and containerize or open-top pack depending on size. The shot blasting and fluorocarbon coating already give you 3000+ hours salt spray resistance, so rust isn't an issue.
