题目内容

Carbon equivalents may be to estimate the susceptibility to hydrogen induced cracking.

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Welding tests are required in weldability analysis.

Because cooling rate was too high, underbead cracks occurred in socket/pipe weldment.

Underbead cracks occurred in oil engine connecting rod because heat dissipation area was large and cooling rate was too high.

Plain low carbon steels are susceptible to hydrogen induced cracking.