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  • ASTM A209 T1 seamless steel tube efficient method for testing quality
    2021-07-16
    ASTM A209 T1 seamless steel tube magnetic particle inspection or penetration inspection, can effectively find surface cracks, folds, double skin, hair lines, pinholes and other surface defects. For ferromagnetic materials, magnetic particle detection meth
  • Method for determining the quality of ASTM A333 Gr.10 steel tube
    2021-07-16
    See for steel composition of ASTM A333 Gr.10 steel tube, whether it is uniform enough. Because of the inferior ASTM A333 Gr.10 steel tube, there are more impurities in the pipe, and the density of steel is too small. As soon as we look at the cross sectio
  • Method for Treatment of Imperfections on ASTM A333 Gr.10 seamless steel tube
    2021-07-16
    ASTM A333 Gr.10 seamless steel tube is boiled in boiling water for 30-60 minutes before quenching, which can eliminate 15% to 25% of the quenching internal stress and stabilize the residual austenite, and then undergo conventional cooling treatment at -60
  • What is the cold treatment crack of seamless steel pipe?
    2021-07-16
    Seamless steel pipe has a hollow section, a large number of fluid pipeline, such as the transportation of oil, natural gas, gas, water and some solid materials pipeline. Seamless steel pipe is mostly medium and high carbon alloy steels. After quenching, s
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