Drilled holes
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Open profile The holes should always be made in the corners of the profile. If the profile has two corners, holes should be made in both of them. |
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Pressure vessels and boilers A hollow profile with reinforcement on the inside should contain openings allowing air to escape. |
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Pressure vessels and boilers With inserted sections of pipe, the joint should be as smooth as possible so that no liquid is left behind. |
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Balustrade A hollow profile sealed at the end should have holes in the top and bottom. |
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Composite profile With mounting plates or comparable objects, a corner should be cut out before welding so that there is a good flow hole. When this is not practical, a hole should be drilled in the corner where the recess was drawn. All the corners in the hollow profiles welded on to the plate should include holes. |
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Composite profile The holes should be drilled in the corners as much as possible. |
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End plates The inflow and outflow holes in the round profile should always be as high or as low as possible. |
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Fences With fencing, all the profiles should be linked in an "open" pattern. |
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Composite structure Composite objects, like frames, should have holes in all the corners at the leading ends. All the corners of the joints should also have holes, or the joints should be entirely open. |
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Weld-on plates A plate that is welded on should include a hole. |
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steel & steel processing