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Hot rolled steel plate Q345D with low temperature impact testing
Hot rolled steel plate Q345D with low temperature impact testing supplies from chinese standard GB.T 1591,now we also call Q345D as Q355D in new version of GB.T 1591.According to different delivery condtion,Q355D also be write as Q355MD (TMCP rolling) or Q355ND (Normalized heat treatment or Normalizing rolling)
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Low temperature charpy impact test shall be done for Hot rolled steel plate Q345D at -20 Deg.C.
How to take sample from steel plate for Charpy impacting test ?
6mm≤Thickness<8mm sample size shall be 10×5×55mm
8mm≤Thickness<11mm sample size shall be 10×7.5×55mm
11mm≤Thickness sample size shall be 10×10×55mm
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