no alloy galvanized surface galvanized steel fluid pipe

3 Kinds of Surface condition for galvanized steel pipe

Feb 01, 2018 · 3 Kinds of Surface condition for galvanized steel pipe. The total zinc coating condition applied depends mainly on the mass and thickness of the galvanized steel tubing.Usually the surface of the galvanized layer should be complete and uniform and with a standard thickness. The evaluation of the appearance quality of the galvanized layer is very important.

A Look into the Process of Galvanizing Steel Pipes

These all ensure that the iron is prepared for the next step. Typically, the process of the surface preparation of galvanized iron pipes operates as follows:Firstly, the steel is cleansed with the use of a caustic solution a corrosive substance in where it will completely remove all Hot-Dipped Galvanized Steel Pipe - Knowledges - News Jul 08, 2020 · 1. Uniformity of galvanized layer:the steel pipe sample shall not be red (copper plating color) after being continuously immersed in copper sulfate solution for 5 times. 2. Surface quality:The surface of the galvanized steel pipe should have a complete galvanized layer, and there should be no unplated black spots and air bubbles.

Quality Galvanized Steel Angle & Galvanized Steel Pipe

China leading provider of Galvanized Steel Angle and Galvanized Steel Pipe, SHANGHAI T&T INTERNATIONAL CO.,LTD. is Galvanized Steel Pipe factory. BS7 /ASTM A53 Galvanized Pipe/G.I.PIPE real-time · Surface Treatment:Galvanized · Alloy Or Not:Non-alloy · Surface Treatment:Galvanized · Length:3m-13.5m · Application:liquid /structure/construction/chemical · Brand Name:CNBM-CMAX · Outer Diameter:21.3 - 273.1 mm,1/2''-10''(21.3mm-273.3mm) · Certification:ISO · Welding Line Type:ERW · Model Number:ASTM A53,BS7/1985,EN39

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