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The residual stress is the internal self-phase equilibrium stress
Source :admin   Time:6/29/2017 9:48:48 PM   hit:

  The residual stress is the internal self-phase equilibrium stress in the absence of external force effects, the various types of ERW Carbon Welded Steel Pipe have such residual stress, usually the larger section of steel section, the remaining The stress is also greater. Although the residual stress is self-phase balance, but the steel components in the external force effect of the function or have a certain influence, such as deformation, stability, fatigue and other aspects may have adverse effects.

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