May.21,2026
Galvannealed Steel(GA), it is crucial to distinguish GA from common products such as Galvalume(55% Al-Zn coating) or High-Strength Galvanized Steel.
GA is produced by subjecting hot-dip galvanized steel to an alloying annealing treatment, transforming the coating into a zinc-iron alloy.
·Coating Composition：Zinc -iron alloy ( Zn-Fe), not zinc-aluminum-magnesium
·Surface Condition：Matte, rough texture — ideal for paint adhesion
·Production Process：Hot-dip galvanizing + alloying annealing treatment
1. Excellent weldability and intelligent compatibility | Melting point: 530 - 643℃, with a reduction of over 40% in spatter | Compatible with automated production lines
2. Excellent coating adhesion | Adhesion improved by 50%, achieving a 5B grade in the cross-cut test | Eliminating paint peeling and saving pre-treatment processes
3. Outstanding corrosion resistance | Salt spray test result: over 500h (2 - 3 times that of ordinary galvanized sheets) | Rust-free for 15 years outdoors
Latest Blogs
Jun 09, 2026
Jun 09, 2026
Jun 09, 2026
May 22, 2026
Rosen International Visited the 2026 Guangzhou Metal & Metallurgy Expo
Contact Us
E-mail: partner@rosensteelga.com
Tel: +86-27-86615388
WhatsApp: +86 177 6252 7953
WeChat:Rosen17762527953
Add.: No. 1, 30th Floor, Building 1, Fuxing Huiyu Waterfront International, Sanjiao Road Village, Xujiapeng Street, Wuchang District, Wuhan City, Hubei Province,P.R.China
