Z275 Heavy Coated Galvanized Steel Coil For Coastal Guardrails

Λεπτομέρειες:

Τόπος καταγωγής: Κίνα
Μάρκα: HUIYI-GI
Πιστοποίηση: EN 10346, ASTM A653, ISO 9001, AASHTO M180
Αριθμό μοντέλου: Dx51d+z
Έγγραφο: HUIYI CATALOGUE.pdf

Πληρωμής & Αποστολής Όροι:

Ποσότητα παραγγελίας min: 25 τόνοι
Τιμή: Negotiated Price, USD/MT
Συσκευασία λεπτομέρειες: Τυπικό πακέτο εξαγωγής, τυλιγμένο με αδιάβροχο χαρτί. Στη συνέχεια, μετά από πλήρως τυλιγμένο με μεμ
Χρόνος παράδοσης: 15-45 ημέρες
Όροι πληρωμής: L/C,T/T,D/P
Δυνατότητα προσφοράς: 5000 τόνοι το μήνα
Καλύτερη τιμή Επικοινωνία

Λεπτομερής ενημέρωση

Όνομα προϊόντος: Πηνίο από γαλβανισμένο χάλυβα Πάχος: 0.3 - 5.0mm
Πλάτος: 600 mm - 1500 mm Επένδυση: 60g/㎡-600g/㎡
Βάρος πηνίου: 3 - 8 τόνους Ισχύς διαρροής (ReH): 140 – 550 MPa
Δυνατότητα τέντωσης (Rm): 260 – 750 MPa Βασικό χαρακτηριστικό: Βαριά επίστρωση Z275 – 1.500+ ώρες αντίσταση ψεκασμού αλατιού (ASTM B117)

Περιγραφή προϊόντων

Z275 Heavy Coated Galvanized Steel Coil For Coastal Guardrails
Our Z275 Heavy Coated Galvanized Steel Coil is engineered for coastal guardrails, where chlorides, road salts, and ocean mist accelerate corrosion. Through continuous hot-dip galvanizing at ~450°C, the Z275 coating (275 g/m² double‑sided, ~20µm per side) provides dual‑phase protection: a physical barrier and sacrificial zinc protection that even protects cut edges. Under ASTM B117 salt spray testing, Z275 typically resists white rust for 1,000+ hours and red rust for over 1,500 hours (vs. 500‑800 hours for Z120), with some products passing 3,000 hours. This yields 20‑25 years of maintenance‑free service, making Z275 the preferred choice for AASHTO M180‑compliant coastal guardrails.
Hot-dipped galvanized steel coil product display
Product Specifications
Product Type Coil / Sheet / Strip
Base Material / Grade DX51D+Z / SGCC / Q235
Thickness 0.3 - 5.0mm
Width 600mm - 1500mm
Zinc Coating 60 - 600 g/m²
Inner Diameter 508/610mm
Surface Treatment Chromated passivation / Oiled / Anti-fingerprint (optional)
Spangle Zero / Small / Regular / Large
Main Applications

· Coastal Guardrail Systems: Primary material for W‑beam and Thrie‑beam guardrails, transition sections, end terminals, and crash barriers along coastal highways where exposure to salt spray, high humidity, and de‑icing chemicals accelerates corrosion .

· Bridge Railings & Parapets: Safety barriers on bridges and overpasses exposed to splashing seawater, road salts, and splashback from passing vehicles.

· Highway Signage Gantries & Structural Supports: Overhead sign structures and roadside poles where structural integrity must withstand both corrosion and traffic pollution .

· Noise Barriers & Wind Shields: Steel panel systems installed in coastal corridors requiring heavy‑duty corrosion protection against salt‑laden winds .

Galvanized steel coil applications in various industries
Packing & Shipping

Triple-Shield Packaging

VCI anti-rust kraft paper inner layer, 0.3mm PE waterproof film with moisture indicators, steel-strapped pallets + edge guards (max. 8-ton coils).

Global Logistics

FOB/CIF from Chinese ports; 15-20 day delivery for Asia, 30-45 days globally.

Quality Assurance

Pre-shipment inspection and moisture indicators for transit protection.

Professional packaging and shipping methods for steel coils
FAQ

Do you provide samples?

Yes, for regular sizes sample is free, buyer need to pay freight cost.

How can I get a quotation?

You can leave us message, and we will reply in time. And you can also find our contact details on the Contact page.

How long is the delivery time?

It depends on the order quantity, normally the delivery time takes around 15-30 working days. Please kindly contact us before ordering.

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