Flame cutting area is ground to thoroughly remove residues after surface grinding.05%, recommended 5-10% of the intermediate alloy aluminum content, not directly use pure Wholesale Aluminium Coated Sheet aluminum ingots. Keep clean on the surface of the workpiece entry of hot dip galvanized zinc liquid enrichment, and prevent the aluminum content. The cause of hot dip galvanized finish of place can be applied high concentrations of solvents in advance. Strengthen Aluminium Coated Sheet for sale the prophase hot dip galvanized coating steel pipe

2. Try to shorten the process time

3. To avoid the high carbon steel  pipe pickling

8. Zinc containing aluminum content in the fluid control under 0. A thorough removal of slag and slag splash

9.

. Guarantee the quality of plating aid concentration and reasonable matching

4.

Plating solutions of Galvanized square tube leakage 

1.

6. To prevent overheating in the plating aid burning

5