3PE COATING Q345B SSAW Steel Pipe Pipes

3 Layer PE Coating Steel Pipe Technical Instructions Structure of the 3PE coating steel pipe Three layer PE coating anti-corrosive steel pipe carry out the standard of GB/T23257-2009 and DIN30670. Structure:inner steel pipe,epoxy powder coating,middle layer of adhesive,outer layer of high density polyethylene The advantages of antiseptic pipe 1. Perfect impact resistance, friction resistance, shock resistance 2. High acid alkali salt resistance 3. High electrical-shock resistance 4. low oozing water rate    5. Long use time 3PE coating manufacturing process Production process Steel pipe inspection→Steel pipe pre-heating→Steel pipe shot-blasting→Anchor pattern depth/Cleanness inspection→Steel pipe medium→frequency heating→Epoxy powder spraying→Adhesive coating→Polyethylene Wrapping-Water cooling to 60ºC below→…