A Q245R material nondestructive stress test method
A non-destructive testing and stress technology, applied in the field of non-destructive testing of Q245R materials, can solve the problems of inability to find serious stress concentration, inability to achieve overall stress state, and high requirements for equipment and pipeline surfaces, saving inspection costs and facilitating re-inspection , the effect of high accuracy
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Embodiment 1
[0034] The sample material is Q245R, and the state is the hot-rolled state in the delivery state. Select the central part of the sample for magnetization measurement.
[0035] The formula under the corresponding delivery state:
[0036]
Embodiment 2
[0038] The sample material is Q245R, and the state is annealed. Select the central part of the sample for magnetization measurement.
[0039] The formula in the corresponding annealed state:
[0040]
Embodiment 3
[0042] The sample material is Q245R, and the state is aging at 250°C. Select the central part of the sample for magnetization measurement.
[0043] The corresponding formula under aging at 250°C:
[0044]
[0045]
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