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China, Chinese S350gd+Zm275 Zn-Al-Mg Extreme Cut Edge Protection Steel Coil for Solar Mounting Systems1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Solar Renewable EnergySolar BracketsZm Coated Structural Steel SheetS350gd Zm Roofing Sheet
DA LIAN MESCO STEEL CO., LTD.
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Product Description S350GD+ZM275 Zn-Al-Mg Extreme Cut Edge Protection Steel Coil for Solar Mounting SystemsEngineered for Extreme Environments, Built for Lifetime PerformanceProduct OverviewS350GD+ZM275 is a high-strength, hot-dip Zinc-Aluminium-Magnesium (Zn-Al-Mg) alloy-coated steel coil specifically engineered for solar mounting systems. With a coating composition of Zn-2.0%Al-1.5%Mg and a dual-side coating weight of 275 g/m2, this product delivers exceptional corrosion resistance, particularly at cut edges and processed areas, making it ideal for harsh outdoor environments.Key Features & BenefitsExtreme Cut Edge Protection:Forms a dense, stable layer of corrosion products at exposed edges, significantly delaying red rust formation.Superior Corrosion Resistance:Outperforms conventional galvanized steel (GI) by 3-10 times in neutral salt spray (SST) and cyclic corrosion tests (CCT).High Strength & Durability:Base material S350GD provides a minimum yield strength of 350 MPa, ensuring structural integrity under heavy loads and extreme weather.Excellent Weather Resistance:Suitable for C4 (industrial/coastal) and C5 (highly corrosive) environments, with an estimated service life of ~30 years under C4 conditions.Reduced Maintenance Costs:Long-lasting performance minimizes the need for replacements and repairs, lowering the total cost of ownership for solar farms.Material Test CertificateTechnical Specifications ParameterValueCoating TypeZn-2.0%Al-1.5%Mg (ZM)Coating Weight275 g/m2 (both sides)Coating Thickness~20.8 μmBase Steel GradeS350GD (EN 10346)Yield Strength≥350 MPaTensile Strength≥420 MPaElongation ≥16% (thickness >0.7 mm)Surface TreatmentPassivation / Anti-fingerprint (optional)Standard Width1000-1600 mmThickness Range0.4-2.5 mmApplicationsSolar Mounting Structures: Ground-mounted and rooftop solar support systems.PV Module Frames & Rails: Corrosion-resistant framing for long-term outdoor exposure.Foundation Components: Bolts, brackets, and fasteners requiring enhanced durability.Agricultural & Coastal Installations: Resistant to ammonia, humidity, and salt spray.PackingStock & StorageFAQ 1.Q: How long is your delivery time?A: Within 7-15 days after receiving the deposit or L/C at sight. Longer lead time will be required for special designed products.2.Q: Do you provide samples ? is it free or extra charged?A:Surely, product sample is complimentary but the delivery fee will be covered by our customers.3.Q:What's your payment terms?A:Our Payment trems will be(1) 100% T/T(2) 30% in advance,others before shipment.4. how can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;5.what can you buy from us?Excellent quality steel at competitive prices
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