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Shanghai Zhenhua Port Machinery

作者:    来源:    发布时间:2007-10-22 17:01:48    浏览次数:6236

  Annual export container cranes and nearly one billion U.S. dollars, each worth tens of millions of container cranes, the key component reel (Q345, automatic submerged arc welding) All the equipment and its scientific use of Sigmar Process.  Measured by the Shanghai Jiao Tong University: to stress the effect and the dimensional stability is better than hot-aging effect (the maximum residual stress roll by 227Mpa average dropped to 104Mpa, five days after the change in roll diameter of 0.001%, superior heat aging 0.005 % level).