MARKET 04 · WEST AFRICA

Nigeria: humidity is the design driver, and corrosion is the invoice you get later.

Tropical humidity, heavy rain and a long wet season make coating the first decision. A frame that is adequate in steel and wrong in coating fails in two seasons, and nobody remembers the price saving.

Arched-roof range, crop trellis inside — XinYonSen

In a wet market the frame's enemies are the cut end, the weld and the scratch. Pre-galvanised coil protects the faces but not a cut end, and a bundle that rubs in transit arrives with bare steel at the contact points. Hot-dip after fabrication removes that discussion.

Nigeria — quotation notes
Item	Requirement	Why
Coating	hot-dip ISO 1461	humidity + rain
Gutter	raised, free-draining	rain intensity
Vent	large side openings	humidity control
Anchors	concrete-in or long screws	soft ground after rain
Packing	edge protection	transit rubbing

Port choice changes the inland leg: Apapa and Tin Can serve Lagos, Port Harcourt serves the delta. Both are congested at peak; the packing list and the container plan should be ready before the vessel is booked, not after.

One line to add to the PO

“Cut ends and welds to be coated.” If the supplier cannot do it, they should say so before the order, not after the inspection.

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Quote a frame for Nigeria

Tell us the site region, the port and the load case. We will send the frame schedule with the coating and packing notes for that route.

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Nigeria: humidity is the design driver, and corrosion is the invoice you get later.

One line to add to the PO

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Quote a frame for Nigeria