GNEE STEEL's hot-dip galvanizing production line adopts the world-advanced U.S. Steel fully radiant vertical annealing furnace production technology, fully imported Farden air knife, zinc pot and roller system integration technology, while adopting advanced intelligent control integration technology. Equipped with comprehensive quality inspection devices and technology, the production line is specially configured with pre-oxidation function to guarantee high-strength steel production, with an annual production capacity of 900,000 tons.
Hot-dip galvanized products supply thickness: 0.3-2.5mm, width: 900-1580mm;
Available zinc coating weight (both sides): 60g/m²-300g/m²,
zinc coating type: pure zinc coating, capable of equal or differential thickness coating;
Conventional product surface structure: smooth spangle-free;
Surface treatment methods: Oiling, Cr(III) passivation, chromium-free passivation, chromium-free fingerprint-resistant.
| Grade | Application | Features | Execution Standard |
|---|---|---|---|
| DX51D+Z | General Use | Good formability, suitable for simple forming, bending, and welding processes | EN 10346-2015, ASTM A653/A653M-09a, JIS G3302-2022 |
| DX52D+Z | Stamping | Exhibits good formability, ideal for manufacturing stamped parts | EN 10346-2015 |
| DX53D+Z | Deep Drawing | Superior deep drawing capabilities and good formability, suitable for complex forming processes | EN 10346-2015 |
| DX54D+Z, DX56D+Z, DX57D+Z | Special Deep Drawing | Better formability than deep drawing grades, suitable for special deep drawing and more complex forming processes | EN 10346-2015 |
| H180YD+Z, H220YD+Z, H260YD+Z | No-Gap Atomic High-Strength Steel | Good formability, high strength, no yield platform, and no room temperature aging | EN 10346-2015 |
| H260LAD+Z, H300LAD+Z, H340LAD+Z, H380LAD+Z, H420LAD+Z | Low-Alloy High-Strength Steel | Good formability, high strength, and certain aging properties | EN 10346-2015 |
| HC250/450DPD+Z, HC340/590DPD+Z, HC420/780DPD+Z, HC440/780DPD+Z, HC550/980DPD+Z, HC700/980DPD+Z | Dual-Phase Steel | No yield platform, no room temperature aging, low yield strength ratio, high work hardening index, and high bake hardening value | EN 10346-2015 |
| LGAF+Z | No-Chromium Fingerprint-Resistant Steel | Excellent fingerprint resistance and forming lubrication properties, suitable as a primer for subsequent coatings | - |
| LGDG1+Z, LGDG2+Z | Guide Rail Steel | Superior roll forming performance and salt spray resistance, ideal for guide rails and sliding rails | - |
GNEE STEEL hot-dip galvanized products are widely used in automotive, home appliances, hardware, machinery manufacturing industries, and can provide environmentally friendly hot-dip galvanized products compliant with RoHS directive according to customer requirements.
GNEE STEEL specializes in high manganese steel, wear-resistant steel, high-strength steel, automotive steel, medium-high carbon steel, cold rolled, pickling, galvanized, silicon steel, and other steel varieties. As a modern enterprise, it integrates raw material supply, processing, and logistics distribution.