ISO/TS 16949
ISO 9001
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steel galvannealed - coil slitting
galvannealed
This sheet steel is heat treated after coating to produce a zinc-iron alloy and eliminate the spangle. Even though the zinc alloy lacks ductility and with severely formed parts, powdering of the surface sometimes occurs in localized areas, only the zinc coating comes off and a protective alloy bond remains. It will withstand temperatures in the range of 750°F without flaking. Except for normal cleaning, it can be painted without further surface preparation.
astm a525
minimum check limit
triple-spot testing single-spot testing
type
oz/ft
coating
designation
previous
coating class
(of sheet)
oz/ft
(of sheet)
Alloyed
A 60
A 40
A 25
A 01
-
-
-
-
0.60
0.40
0.25
No Minimum
0.50
0.30
0.20
No Minimum
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