[MW:18873] RE: 18869] Requirements before Hod Dipped Galvanization

Dear Hany alfy,

 

I believed you’re refer to pipe use for handrails , normally we always proceed to remove the whole surfaces that appeared like a shiny surfaces or “lacquer” to protect the steel form rusting with grinding or swept blast /2.0 prior sent it the items to galvanizer company. Their always claimed acid doesn’t works to remove it then that were effected in galvanic zinc process.

 

Regards

Mus

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of hany alfy
Sent: Monday, 7 October, 2013 6:34 PM
To: materials-welding@googlegroups.com
Subject: [MW:18869] Requirements before Hod Dipped Galvanization

 

 

Dear Experts

 

Is Abrasive blasting is necessary before Hod Dipped Galvanization or can be only Acid Cleaning 

 

Regards,

H.A

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