Advantage of Volume When Using Zincalume Steel of Bluescope Steel

Posted on New 81 lượt xem

How is the AZ150 coating of BlueScope’s Zincalume steel different from that of Z275 and Z180 of galvanized steel?

  • The detail table in question 04 shows that the thickness of the Z275 coating is 0.04mm while the thickness of the AZ150 coating is 0.05mm.
  • With equal coating thickness, BlueScope’s Zincalume steel has a service life of 2 to 6 times longer (depending on environmental conditions) than galvanized steel.
  • The service life of galvanized steel (G.I.) is directly proportional to the coating thickness. Z180 coating has a thickness of only 2/3 of the thickness of Z275, so its life is only 2/3 of Z275, if the same thickness of the base steel.

What is the mass advantage when using BlueScope Steel Zincalume?

Taking the example of base steel with a thickness of 0.42mm, the area calculated per ton of product is:

No plating 303.3 m2

  • Z200 284.3
  • Z275 278.8
  • AZ150 288.4

By analyzing simple data, we can easily see that AZ150 steel is slightly better than Z275 zinc coating by 3.5% in area, and compared to Z180 by 1%. However, this comparison is still lame because the outstanding longevity of BlueScope Zincalume AZ150 steel far exceeds that of galvanized steel.

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