Spiral pipe 406 * 7 for Xi'an, Xi'an Solenoid 355 * 7, Xi'an spiral pipe Spot 133230707611 Product Name: spiral steel corrosion insulation. Outside diameter: 219 mm -4000 mm wall thickness: 6 mm -32 mm Length: 12 m -18 m or according to customer needs. trademark: Wuzhou 6 Standard: 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 anticorrosive bear the steel pipeline single-layer and double-layer fusion bonded epoxy powder (FBE), double-layer polyethylene (2PE) and three polyethylene (3PE), double-layer polypropylene (2PP), and three layers of polypropylene ( 3PP), coal tar epoxy pipe coating, polyurethane Preformed directly buried pipe insulation, black and yellow jacket pipe insulation IPN8710 polymer anticorrosion coating anticorrosive epoxy anti-corrosion pipe, high density polyethylene anti-corrosion pipe, cement mortar lining anti-corrosion, prefabricated straight buried pieces of insulation corrosion / IPN8710 drinking water pipe wall engineering. 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.