According to that mini spangle is the most common defect affecting the appearance quality of hot-dip 55%Al-Zn alloy coated steel sheet, industrial experiments and statistical analysis were done to
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High quality SNI Certified SGCC Galvalume Steel Roll AL - ZN Coating 60 - 275 G / M2 from China, China's leading aluzinc steel coil product, with strict quality control sheet metal coil factories, producing high quality sheet metal coil products. What is a Spangle? - Definition from CorrosionpediaMar 25, 2014 · A spangle is the visible aesthetic feature of crystallites on the surface of a galvanized steel sheet. The spangle appears as either a snowflake or a six-pointed star pattern. This is produced on the steel sheet when certain alloying elements are either added to the liquid zinc or available as impurities. The size and orientation of the zinc grain affects the corrosion
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