Hot dip galvanized pipeHot dip galvanized pipe is to make molten metal and iron matrix reaction to produce alloy layer, so that the substrate and coating two combined.Hot dip galvanizing is to pickle the steel pipe first. In order to remove the iron oxide on the surface of the steel pipe, after pickling, it is cleaned by ammonium chloride or zinc chloride aqueous solution or ammonium chloride and zinc chloride mixed aqueous solution tank, and then sent into the hot dip plating tank.Hot dip galvanizing has the advantages of uniform coating, strong adhesion and long service life.
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The product type | Galvanized pipe |
The steel grade | S235JRH（1.0039）、S275J0H（1.0149）、S275J2H（1.0138）、S355J0H（1.0547）、S355J2H（1.0576）、 S355K2H(1.0512)、S275NH（1.0493）、S275NLH（1.0497）、S355NH（1.0539）、S355NLH（1.0549）、 S420NH（1.8750）、S420NLH（1.8751)、S460NH（1.8953）、S460NLH（1.8956） |
The production process | ERW resistance welding;SAW submerged arc welding (SAWL straight seam submerged arc welding and SAWH spiral submerged arc welding;HFW high frequency resistance welding;SMLS seamless |
Uses | Conveying gas, heating, greenhouse |
specifications | Outer diameter: 10-2820 – mmWall thickness: 0.3-150 – mm |
processing custom | Support custom machining |
Package | Seaworthy Standard Package |
sample | Samples available |
color | Natural color (customizable) |
payment | L/C T/T (30%DEPOSIT) |
MOQ | 500KG |
Cross-section shape | Circular cross section |
standard | EN10210；EN10219；ASTM A53；ASTM A139；ASTM A252；JIS G3444 |
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