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  • Q275
  • Steel type: Structure Steel
  • Country/Region: China - GB/T
  • Description: Engineering and welding
  • Q235
  • Steel type: Structure Steel
  • Country/Region: China - GB/T
  • Description: Engineering and welding
  • Q215
  • Steel type: Structure Steel
  • Country/Region: China - GB/T
  • Description: Engineering and welding
  • Q195
  • Steel type: Structure Steel
  • Country/Region: China - GBT
  • Description: Engineering and welding
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