earn how Zn-Al-Mg coated steel improves cut-edge protection and corrosion performance. Compare ZAM steel with galvanized steel and select the right coating. Read More

When ZAM coil is cut, magnesium and aluminium in the coating form a protective layer that creeps onto the exposed steel.Understand the self-healing mechanism and why it beats galvanized at the cut edge. Read More

Read More

The Science of Durability: Zn-Al-Mg Ternary Coatings In utility-scale solar and global infrastructure, long-term protection has evolved from simple galvanizing to high-level micro-metallurgy. For engineers facing C5-M high-salinity zones, traditional Hot-Dip Galvanizing often fails to meet a 30-year design life. Yuantai Derun recalibrates structural steel durability through Ternary Eutectic Structures. By using Magnesium as a catalyst, we refine the grain into a "labyrinth-like" matrix that blocks the migration of aggressive chloride and sulfate ions. This S350GD+ZM solution features Simonkolleite self-healing kinetics, allowing cut edges and bolt holes to "heal" in the field. Every batch is backed by our Digital Passport system. Simply scan the QR Code on the MTC for instant authenticity verification of heat numbers and mechanical specs. Read More

Join Yuantai Derun Group (YTDR) at Tube 2026 in Düsseldorf, Germany (April 13–17), as we showcase the next generation of corrosion protection at Booth 1A21.This year, we are highlighting our Zinc-Magnesium-Aluminum (ZMA) coated structural sections. As a superior alternative to traditional galvanizat Read More

You can have a perfectly coated pipe, but the moment it’s cut, drilled, or modified on site, that exposed edge becomes the weak point. For years, the workaround has been manual touch-up—zinc-rich paint, applied in a hurry, often inconsistently. It costs time, and more importantly, it rarely holds up in aggressive environments. This is where Zinc-Magnesium-Aluminum (Zn-Mg-Al) coatings start to show their value. It’s not just an incremental upgrade to galvanizing—it behaves differently once the material is actually in service. Read More