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Quenching was Ms point temperature of the steel above the appropriate speed to slow cold cold Ms point or less, achieve superior organizational performance. Need to quench quenching medium, a common cooling medium is quenching oil, water-soluble quenching agent, water and saline and alkaline
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Welded pipe has welded joints rigid, multi-layer welding, welding metal bulky, so welded joints in high-stress state, such as the weld metal has a higher yield point, it is difficult to relaxation through its plastic deformation of welded joints of high stress
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Entire systems and components are both supplied by us. These Entire systems and components are parts of the high purity applications. We have high requirements of integrity and cleanliness.