Anticorrosive steel pipe Standard: API SPEC 5L
Anticorrosive steel pipe application: Transport the gas, water and oil in oil and nature gas industry 
   
Nominal Diameter Range Outside Diameter Range (mm) Coating Type Coating Layer Coating Thickness
DN100-600 114.3-609.6 3PE Three layers polythylens Inside layer: epoxy (Green) 2.0-4.5mm

Middle layer: adhesive (White)

Outside layer: polyethylene (Black)

2PE Two layers polythylens Inside layer: adhesive 2.0-4.5mm

Outside layer: polythene

DN80-600 88.9-609.6 FBE epoxy Epoxy 200-400um

2FBE Two layers epoxy Inside layer: epoxy (Green) 400-800um

Outside layer: intensity epoxy (Sage Green)

DN100-600 114.3-609.6 3PP Three layers polypropylene Inside layer: epoxy (Green) 2.5-3mm