... 5) Usage: Be widely used in transportation of oil, natural gas, gas, water and some solid materials, pipes, etc(6) The pipes ... Door pipe, Furniture, Lowpressure fluid pipe for water oil or gas, Boiler pipe.InspectionWith hydraulic testing, eddy current and infrared testPackingIn bundles ... 2:Pipe can be necked dowm, punching hole on pipe wall.3:Pipe fittings, elbows are available.4.All production process ...