Hot-dip zinc coated steel plate St01Z St01ZR generally receive surface protection at rolling plants.The period of protection afforded depands on the outside atmospheric conditions.These surface protection for galvanized steel plate and coil St01Z St01ZR including Chemical passivation,Oiling,Chemical passivation and oiling,sealed,phosphated and untreated.Generally the galvanized steel sheet St01Z St01ZR shall be done surface treatment after rolling,if when customers indicate in their purchase order without surface treatment terms,we can delivery these galvanized steel materials under untreated condition.In this case,there is increased risk of atmospheric corrision.

Other relative galvanized steel grades in this standard are DC51D,DC51D+Z,DC51D+ZF,DC52D,DC52D+Z,DC52D+ZF,DC53D,DC53D+Z,DC53D+ZF,DC54D,DC54D+Z,DC54D+ZF,DC56D,DC56D+Z,DC56D+ZF,St01Z,St02Z,St03Z,St01ZR,St02ZR,St04Z,St05Z,St06Z,St06ZR,St07Z,StE280-2Z,StE345-2Z,HSA340Z,HSA410Z,HSA340ZR,HSA410ZR.Xinsteel owned ten thousands tons stock with different thickness for galvanized steel plate St01Z St01ZR and galvanized steel coil St01Z St01ZR.welcome our regular and new customers sending inquiries to us at any time. inquiry@xsteelplate.com