HX180BD hot dipped galvanized steel coil and sheet, as a representative of the new generation of high-performance composite materials, is gradually showing its potential in industrial applications. This material not only inherits the high strength and durability of traditional materials, but also achieves a qualitative leap in light weight and environmental protection.

1. King of precision stamping – 0.1mm extremely narrow tolerance control

Using ultra-low carbon steel base (C<=0.008%) and patented annealing process, ultra-uniform plastic flow with △r value <=1.5 is achieved, which completely solves the cracking and wrinkling problems of complex parts such as door hinges and motor housings.

2. Zinc-iron alloy coating – 10-year anti-corrosion guarantee

GA coating forms a dense Fe-Zn alloy layer, and the salt spray test is >=720 hours without red rust, far exceeding the 480-hour standard of pure zinc coating (GI), which is suitable for high-humidity electrical components.

3. Laser welding friendliness – saving 20% ​​of production line energy consumption

Low surface roughness (Ra 0.8-1.2μm) and homogeneous coating increase the laser welding speed to 12m/min (conventional plate 8m/min), reduce welding slag by 70%, and significantly reduce the manufacturing cost of battery pack shell.

4. Green environmental compliance – global access pass

Passed REACH SVHC 205 items and RoHS 2.0 certification, providing chromium-free passivation (ECP) options to meet the mandatory requirements of the EU/North America/China new energy vehicle supply chain.

5. Cost optimization of the entire process – $150 saved per ton of steel

Compared with ordinary cold-rolled plate + post-galvanizing process:

Omit the separate galvanizing process (cost↓$80/ton)

Material utilization rate increased by 8% (blanking optimization)

Reduced mold wear (hardness HV 50-55)