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QINGDAO XINO STEEL & IRON CO.,LTD

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How about the Corrosion resistance of Galvalume steel ?

2020-05-15
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The excellent corrosion resistance of Galvalume is owed to a combination of galvanic protection provided by the zinc coating  protection by the mechanical aluminum barrier. The Galvalume steel is about 2 to 4 times more resistant to corrosion than galvanized steel.

 
 
COATING LOSS (m)
ENVIRONMENTYears of Exposure(A) Conventional Zinc(B)55% Al-Zn AlloyA / B Ratio
Marine - Severe2.516.85.23.2
Industrial79.83.42.9
Marine45.91.44.2
Rural41.40.81.8



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