PetroChina Pipe


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Oil and Gas Storage and Transportation Projects Promote the Use of ERW Steel Pipes

The operation conditions of oil storage and transportation system in petrochemical enterprises are relatively "mild" compared with production equipment. Its working pressure is generally below 2.5Mpa, in some cases up to 4.0 Mpa; the working temperature is generally below 100 °C, the highest does no ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 2 months agoPress > Oil and GasStorage and Transportationerw steel pipe +1

Comparison of ERW Welded Pipe and Seamless Steel Pipe (tested by PetroChina Pipe Institute)

1. Outer diameter tolerance ERW steel pipe : It is cold-formed and sizing is completed by reducing the diameter by 0.6%. The process temperature is basically constant at room temperature. Therefore, the outer diameter is controlled accurately and the fluctuation range is small, which is helpful to ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 5 months agoPress > ERW Welded PipeSeamless steel pipePetroChina Pipe +1