The effect of welding stress

- Apr 08, 2018 -

The effect of welding stress: The tensile stress of stress corrosion cracking originates from more than 30% of the residual stress of welding.

The greater the tensile stress of welding, the more likely the stress corrosion cracking will occur.

In the chloride-containing medium, the critical tensile stress σcr≈σs of the austenitic steel SCC is caused.

In high-temperature and high-pressure water, σcr< σs of austenite steel SCC is caused. In H2SχO6 medium, stress acts as a deceleration due to intergranular corrosion attack. At this time, it can be σcr≈0.


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