For spiral pipe 406 * 7 355 * 7 spiral steel pipe, spiral pipe plant stock 133230707611 Product Name: spiral steel corrosion insulation. Outer diameter: 219 mm -4000 mm wall thickness: 6 mm -32 mm length : 12 m -18 m or according to customer needs. trademark: Wuzhou. standards: American Standard, GB, petroleum, petrochemical, German standard, API 5L, API 5CT 7 Material: Q235A, B, 16Mn, API X42- X70 GB L245-L485 9. Application: petroleum, chemical, electric power, gas, heat, water, and other long-distance pipelines corrosion insulation: 2PE/3PE 2PP/3PP epoxy anti-corrosion, coal tar epoxy can afford the steel pipeline single-layer and double-layer fusion bonded epoxy powder (FBE), double-layer polyethylene (2PE) and three layers of polyethylene (3PE), double-layer polypropylene (2PP), and three polypropylene (3PP) , coal tar epoxy pipe coating, polyurethane prefabricated buried insulating pipe, black and yellow jacket pipe insulation IPN8710 polymer anticorrosion coating anticorrosive epoxy anti-corrosion pipe, high density polyethylene anticorrosion pipe, cement mortar lining anti-corrosion, Preformed directly buried pipe insulation corrosion / IPN8710 drinking pipe wall works. And according to international and domestic standards, the production of carbon steel, alloy steel, stainless steel of various specifications elbow, reducer, tee, cross, pipe cap and pipe fittings products. API 5L, ISO9001: 2000, ISO14001, OHSAS18001, API SPEC 5L such as a series of related certification.