Coating weight:
DX51D Z275 has a coating weight of 275g/㎡ (both sides), while Z80 has a coating weight of 80g/㎡ (both sides). This indicates that Z275 galvanized sheet has a thicker coating and provides higher corrosion protection.
Performance:
Since DX51D Z275 has a heavier coating, it generally has better corrosion resistance in the same environment and can more effectively protect the steel substrate from corrosion.
In contrast, DX51D Z80 has a lighter coating and may require more frequent maintenance or replacement in certain corrosive environments.
Application areas:
Due to its higher corrosion resistance, DX51D Z275 galvanized steel sheet is usually used in places with higher corrosion requirements, such as construction, automobile manufacturing, home appliances and other fields.
DX51D Z80 galvanized steel sheet is used in places with relatively low anti-corrosion requirements or more cost-sensitive situations.
In addition, the DX51D series of galvanized steel sheets also include different performance levels, such as DX53D+Z, DX56D+Z, etc., which are suitable for different needs such as stamping, ultra-deep drawing galvanizing and high-strength steel.



