China National Standards

China Longitudinal seam HFW Industry Standards English PDF List

  •  China "Longitudinal seam HFW" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    SY/T 5038-2012 Longitudinal seam HFW steel pipe for common fluid service pipeline
    普通流体输送管道用直缝高频焊钢管    		 China Oil & Gas Industry Standards
    Longitudinal seam HFW
    English PDF

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