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Shock and Vibration
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2023
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Article
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Tab 1
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Research Article
Research on Material Selection Method and Brittle Fracture Mechanism of High-Pressure Pipeline
Table 1
Critical wall thickness and limit bearing internal pressure of different kinds of steel (outer radius
b
= 500 mm).
Material
Yield ratio
Outer radius (mm)
Inner radius (mm)
Critical wall thickness (mm)
Limit bearing internal pressure (MPa)
X80
0.89
500
448
52
68.15
Q235
0.51
500
293
207
224.67