Seeking help with the stress verification of wall thickness for container B under normal pressure
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Why does standard NBT 47003.1-2009 require a thickness of 7 mm for 3-cubic-meter steel welded atmospheric pressure vessels to pass the verification?
Square grooves generally don’t need to be taken into account; if they must be considered, it’s their thickness that matters. The stiffness of square grooves is usually important. For the square grooves of the three cubes, I usually use steel plates with a thickness of 5–6 mm, and reinforce them from the outside with angle steel.