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Products>>ERW Steel Pipe>>GB/T 9711.2-1997 Longitudinal Line Pipe for Oil and Natural Gas Transportation

  • GB/T 9711.2-1997 Longitudinal Line Pipe for Oil and Natural Gas Transportation

    GB/T 9711.2-1997 Longitudinal Line Pi...

    Diameter: 168mm~1422mm; WT: 6mm~50mm; Material:L245-L415; It is mainly used in petroleum and natural gas projects. High frequency longitudinal welding steel pipe of the same standard is adopted commonly in domestic key projects including West-East Natural Gas Transmission Project and Qinshui Project of CNPC.