GNEE STEEL offers a wide selection of 55% Al-Zn Alloy Coated Steel products. 55% Aluminum-Zinc Alloy Coated Steel is cold-rolled carbon steel with a metallic coating composed of Aluminum (55%), Zinc (43.4%) and Silicon (1.6%).
Contact your GNEE STEEL Sales Representative today to learn how 55% Aluminum-Zinc Alloy Coated Steel can satisfy your material needs.
Introduction of 55% Al-Zn alloy galvanized grades
| Grade | Use |
| DC51D+AZ | For cold forming |
| DC52D+AZ | |
| DC53D+AZ | |
| DC54D+AZ | |
| S250GD+AZ | For structure |
| S300GD+AZ | |
| S350GD+AZ | |
| S550GD+AZ |
Categories and treatment of 55% Al-Zn alloy galvanized coating
| ltem | Classification | Code |
| Coating type | Aluminum-zinc alloy coating | AZ |
| Coating surface structure | Normal spangle | - |
| Surface treatment | Chromic acid passivation | C |
| Chrome-free passivation | C5 | |
| Chromic acid passivation + olling | CO | |
| Chrome-free passivation + oiling | CO5 | |
| Common fingerprint resistant | N | |
| Chrome-free fingerprint resistant | N5 | |
| Oiing | O | |
| Without treatment | U |
55% Al-Zn alloy coating range and recommended nominal coating weight
| Coating type | Recommended nominal coating weight a g/m2 |
| 55% Al-Zn alloy galvanized coating | 30/30,40/40,50/50,60/60,75/75,90/90 |
| The thickness of 50 g/m2 of hot-dip galvanized and aluminized alloy coating is about 13.3um. | |
Available range of 55% Al-Zn alloy coated steel products
| Nominal thickness mm | Width mm | Length of steel plate mm | Inside diameter of steel strip mm |
| 0.22~2.0 | 700~1300 | 1000-6000 | 508 |
Aluminum zinc steel product display
Why choose GNEE Al zn coated steel?
1. GNEE cooperates with Baosteel. The raw materials for galvanized substrates are provided by the cold and hot rolling production lines of Baosteel Co., Ltd., which ensures the stability of the chemical composition of the raw materials, the purity of the steel and excellent dimensional accuracy.
2. Our al-zn steel coil products have been successfully exported to more than 200 countries and regions in Europe, South Africa, North America, and South America, and are widely used in various fields such as construction, home appliances, and electrical cabinets.
3.16 years of aluminum-zinc steel production experience.
4. GNEE's hot-dip aluminum-zinc production line produces aluminum-zinc alloy (55% Al-43.4%Zn-1.6%Si) steel plates with excellent atmospheric corrosion resistance and appearance. In addition to being used in high-end building exterior panels, The use of passivated or fingerprint-resistant galvanized steel sheets in the home appliance industry is gradually increasing.
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