BBN supplied 3800 tons A588 Grade K oil derricks used steel steel pipe to Russia

BBN supplied 3800 tons A588 Grade K oil derricks used steel steel pipe to Russia

BBN supplied 3800 tons A588 Grade K oil derricks used steel steel pipe to Russia
  • Comments: 16Mo3 steel is a kind of European boiler steel plate. 16Mo3 is different from other raw materials when welding. It must be preheated first, and the weld should be kept for about 30 minutes after the welding is completed. A588 Grade K oil derricks used ste

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