Galvalume and Chromate coating steel tube

zinc coating; thickness: 5-8μm; Al thickness: 8-12μm; salt spray test: 720h

Chemical requirements%
Carbon<0.1
Manganese
Phosphorus
Sulphur
<0.45
<0.035
<0.035

Mechanical Property

T.S.(Mpa))Y.S.(Mpa))EL.(%))
≥290≥170≥35
T.S.=Tensile StrengthY.S.=Yield StrengthEL.=Elongation