We are preparing fabrication drawing of a stainless steel cone which will become the bottom of a coal silo. The available SS 10 mm thick plate width is only 1500 mm. Minimum width required to eliminate joints is 3000 mm. Two options are being considered. 1. By making number of petals and joining them as per development requirement. 2. Joining two plates to make a single plate of 3000 mm and then cut the same as per development requirement. The second option is probably unconventional. The final weld seam after cone rolling will follow a curved line which could be questioned. However, there are some advantages which could be useful. Does any body has experience in the second option? Or can any body highlight a reason for which it is not advisable? Some supporting document will help us to confirm our decision either way.
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