Low-Cycle Fatigue Properties of the X70 High-Frequency Electric-Resistant Welded Pipes

<div>Typical macrofractures of the pipe body (a) without surface finishing and (b) with surface finishing and those of the weld joint (c) without surface finishing and (d) with surface finishing.</div>

Advances in Materials Science and Engineering

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Figure 4

Figure 4: Low-Cycle Fatigue Properties of the X70 High-Frequency Electric-Resistant Welded Pipes 