2017年6月16日星期五

 ASTM A500 Square Steel Hollow Section

  Model NO.: IR-F steel pipe
  Technique: ERW
  Surface Treatment: Bare Pipe, Black Pipe
  Section Shape: Square, Rectangle
  Surface: Black Painting, Bare Pipe
  Certificate: ISO, CE
  Specification: ASTM A500
  Type: Seamless, Welded

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