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DC51 Galvanized Steel Coils – Hot-Dip Zinc Coated Steel Coil for Forming, Roofing & General Applications

High-quality hot-dip galvanized steel coils made from DC51 grade. Excellent corrosion resistance, formability, and surface finish. Ideal for roofing, cladding, ducting, and general fabrication.
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  • DC51

  • ZHONG RUN

Product Description

DC51 galvanized steel coils are produced using low carbon cold-rolled steel and then hot-dip coated with a protective zinc layer. The DC51 grade, equivalent to EN 10346 standard, offers good mechanical strength, cold formability, and superior corrosion protection.

These coils are widely used in construction, HVAC, automotive parts, and industrial sheet metal fabrication, offering a cost-effective and durable solution for indoor and outdoor applications.


TECHNICAL SPECIFICATIONS

  • Standard: EN 10346

  • Grade: DC51D+Z

  • Zinc Coating: Z40 – Z275 g/m²

  • Thickness: 0.13mm – 3.0mm

  • Width: 600mm – 1500mm

  • Coil Weight: 3 – 10 metric tons

  • Coil ID: 508mm / 610mm

  • Surface Finish: Regular / zero / minimized spangle

  • Surface Treatment: Chromated / oiled / dry / skin-passed

  • Edge: Mill edge / Slit edge


Mechanical Properties 

Yield Strength: ≤ 280 MPa

Tensile Strength: 270 – 500 MPa

Elongation (A80): ≥ 22%

Hardness: ≤ 85 HRB


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APPLICATION

C51 galvanized steel coils are commonly used in:

  • Roofing and wall cladding panels

  • Ducting and HVAC systems

  • Automotive interiors and reinforcement parts

  • Electrical enclosures and cable trays

  • Partition systems and rolling shutters

  • Furniture, shelving, and consumer goods casing


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