Our Products

Zinc-Aluminum-Magnesium Steel Coil ZM275

Zinc-Aluminum-Magnesium Steel Coil ZM275
Zinc-Aluminum-Magnesium Steel Coil ZM275, an elite structural material engineered for extreme environments, stands as the ultimate industry benchmark for maximum corrosion resistance and ultra-long structural longevity. Featuring a heavily fortified alloy coating of zinc, aluminum, and magnesium at a total weight of $275\text{g/m}^2$, this premium substrate delivers an aggressive protective barrier that easily outlasts traditional pure galvanized coatings by several times in hyper-corrosive settings. Its defining technological marvel is the heavy-duty "Self-Healing" chemical transformation, where specialized magnesium-rich corrosion layers rapidly migrate to permanently seal sheared edges, drill holes, and deep mechanical gouges.
WhatsApp: +86 13345207688
Email: vipcamelsteel@gmail.com
Product Description
Technical ParameterSpecification & Manufacturing Details
Product NameZinc-Aluminum-Magnesium Steel Coil (Extreme Heavy-Duty ZAM / ZM Coil)
Alloy Coating MassZM275 Grade ($275text{g/m}^2$ Double-Sided Total Coating Weight — Extreme Protection)
Coil Surface FinishSmooth Satin Matte / Regular Spangle Texture (High Hardness & Severe Friction Resistance)
Executive StandardsFully compliant with EN 10346, ASTM A1046, and GB/T 36702
Available Base GradesS350GD+ZM, S420GD, S450GD, S550GD (Ultra-High Strength Structural Grades)
Thickness Range1.0mm - 6.0mm (Heavy-Gauge Cold-Reduced / Hot-Rolled Substrate Profiling)
Width Range600mm - 1600mm (Professional Precision Longitudinal Slitting and Trimming Available)
Edge Protection FeatureUnrivaled "Self-Healing" Cut-Edge Corrosion Shielding (Severe Environment Sealing)
Coil ID & Delivery WeightInner Diameter: 610mm / 762mm | Unit Coil Weight: 5 - 25 Metric Tons
Grade DesignationBase Metal Thickness (mm)Yield Strength (MPa)Tensile Strength (MPa)Elongation (≥%)Salt Spray Test Resistance (Hours)Cut-Edge Self-Healing Performance
S350GD + ZM2751.0 - 6.0≥ 350≥ 420≥ 16≥ 4,000 Hrs (No Red Rust)Maximum / Automatic Dense Sealing
S420GD + ZM2751.0 - 6.0≥ 420≥ 480≥ 14≥ 4,000 Hrs (No Red Rust)Maximum / Automatic Dense Sealing
S550GD + ZM2751.0 - 4.5≥ 550≥ 560-≥ 4,000 Hrs (No Red Rust)Maximum / Automatic Dense Sealing


Product Show
Factory Tour
  • ppgi-and-ppgl-coils
    steel factory
  • 不锈钢卷 (7).png
    steel factory
  • manufactured-steel-roofing-in-africa-unlocking-high-potential-investment-opportunities-technology-innovation-in-steel-roofing-arise-iip-sezs-africa-for-investors_看图王.web
    steel factory
  • 43.jpg
    steel factory
  • 镀锌板 (22)
    steel factory
  • Aluminium plate (2)
    steel factory
  • 镀锌钢卷 (103)
    steel factory
Related Products
Get Your Free Quote Now!
Submit →