BBN sold 1380 tons Q235NH astm equivalent to North Korea

BBN sold 1380 tons Q235NH astm equivalent to North Korea

BBN sold 1380 tons Q235NH astm equivalent to North Korea
  • Comments: The mechanical properties of hot rolled steel plate are far less than that of cold working and forging, but the Q235NH astm equivalent, hot rolled steel plates have better toughness and ductility. Cold rolled steel plate has a certain degree of work harde

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