Product Name: Spiral steel pipe
Standard:  API 5L, API 5CT, ASTM 53, EN10217, DIN 2458. IS 3589, JIS G3452, BS1387 
Surface:  Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy,Fusion Bond Epoxy, 3-layers PE)
Size: 6mm- 610mm(1/16“-24”)
Thickness/Pressure: 0.3 mm-22mm