T: +86-182-2202-9592
E: yuantai@yuantai-steel.com
E: yuantai@yuantai-steel.com
No.1 Science and Technology Road, DaQiuZhuang Industrial Zone, Jinghai, Tianjin, China 301606
Zinc-Aluminum-Magnesium Steel Coil (ZAM coil) is an excellent corrosion-resistant hot-dip galvanized aluminum-magnesium alloy coated steel sheet product. It is Zinc, 6% Aluminum, 3% Magnesium Alloy Coated Steel, superior corrosion-resistant and uniquely presents a self healing are the 2 main features of ZAM steel coil.
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The content of aluminum and magnesium are 2 kinds of combinations,which are low aluminum and low magnesium medium aluminum and medium magnesium,that is, 1.5 magnesium 2 aluminum, 3 magnesium 6 aluminum.Surface treatment can be consulted in detail.
Standard | EN10324, JIS G 3323-2012, ASTM A 1046, etc. |
Material thickness | 0.25~4.0mm |
Material width | 33~1500mm |
Coating weight | 20g/m2~400g/m2 |
Delivery | 7-30 days |
Payment Method | TT / LC |
Port | Tianjin Xingang Port |
Standard | EN10324, JIS G 3323-2012, ASTM A 1046, etc. |
Examine the surface of the galvanized steel coil carefully. It should be smooth and free from obvious scratches, pits, dents, and blisters. Scratches may penetrate the zinc coating and lead to corrosion of the underlying steel. Blisters can indicate poor adhesion of the zinc coating or the presence of trapped gases during the galvanizing process. For example, if you run your hand over the surface, you should not feel any rough or uneven areas that could potentially affect its performance.
Coating Thickness: Check the specified coating thickness. The thickness of the zinc coating is crucial for corrosion resistance. A thicker coating generally provides better protection. You can ask the supplier for the coating thickness measurement report. In some industries, a minimum coating thickness of a certain number of microns (such as 80 - 100 microns for outdoor applications) is required to ensure long - term durability.
Coating Uniformity: The zinc coating should be evenly distributed over the entire surface of the steel coil. Uneven coating can lead to areas with insufficient protection, where the steel is more likely to corrode. This can be inspected visually to some extent, but more accurate methods such as non - destructive testing techniques (e.g., magnetic induction or eddy - current testing) may be used by the manufacturer or a third - party inspection agency.
Steel Grade: Determine the appropriate steel grade for your intended use. Different steel grades have different mechanical properties such as strength, formability, and ductility. For example, if you need the galvanized steel coil for structural applications, you may require a higher - strength steel grade. The supplier should provide clear information about the steel grade, and you can refer to relevant standards and specifications to verify.
Surface Preparation of the Steel Base: Ensure that the steel base has been properly prepared before galvanizing. Poorly prepared steel surfaces may result in poor adhesion of the zinc coating. Ask the supplier about the surface - cleaning and pre - treatment methods used, such as whether the steel was thoroughly degreased and pickled to remove rust and other impurities.
The content of aluminum and magnesium are 2 kinds of combinations,which are low aluminum and low magnesium medium aluminum and medium magnesium,that is, 1.5 magnesium 2 aluminum, 3 magnesium 6 aluminum.Surface treatment can be consulted in detail.
Standard | EN10324, JIS G 3323-2012, ASTM A 1046, etc. |
Material thickness | 0.25~4.0mm |
Material width | 33~1500mm |
Coating weight | 20g/m2~400g/m2 |
Delivery | 7-30 days |
Payment Method | TT / LC |
Port | Tianjin Xingang Port |
Standard | EN10324, JIS G 3323-2012, ASTM A 1046, etc. |
Examine the surface of the galvanized steel coil carefully. It should be smooth and free from obvious scratches, pits, dents, and blisters. Scratches may penetrate the zinc coating and lead to corrosion of the underlying steel. Blisters can indicate poor adhesion of the zinc coating or the presence of trapped gases during the galvanizing process. For example, if you run your hand over the surface, you should not feel any rough or uneven areas that could potentially affect its performance.
Coating Thickness: Check the specified coating thickness. The thickness of the zinc coating is crucial for corrosion resistance. A thicker coating generally provides better protection. You can ask the supplier for the coating thickness measurement report. In some industries, a minimum coating thickness of a certain number of microns (such as 80 - 100 microns for outdoor applications) is required to ensure long - term durability.
Coating Uniformity: The zinc coating should be evenly distributed over the entire surface of the steel coil. Uneven coating can lead to areas with insufficient protection, where the steel is more likely to corrode. This can be inspected visually to some extent, but more accurate methods such as non - destructive testing techniques (e.g., magnetic induction or eddy - current testing) may be used by the manufacturer or a third - party inspection agency.
Steel Grade: Determine the appropriate steel grade for your intended use. Different steel grades have different mechanical properties such as strength, formability, and ductility. For example, if you need the galvanized steel coil for structural applications, you may require a higher - strength steel grade. The supplier should provide clear information about the steel grade, and you can refer to relevant standards and specifications to verify.
Surface Preparation of the Steel Base: Ensure that the steel base has been properly prepared before galvanizing. Poorly prepared steel surfaces may result in poor adhesion of the zinc coating. Ask the supplier about the surface - cleaning and pre - treatment methods used, such as whether the steel was thoroughly degreased and pickled to remove rust and other impurities.
