Jul 7, 2010 #1 ccme Automotive Joined Jul 7, 2010 Messages 2 Location GB Looking to machine the moulds, for the patterns to cast 321 or 409 (3 Cr 12) stainless steel exhaust manifold collectors, minimum thickness is schedule 10, max is 15 mm. What sort of shrinkage can I expect? thank you. Rich
Looking to machine the moulds, for the patterns to cast 321 or 409 (3 Cr 12) stainless steel exhaust manifold collectors, minimum thickness is schedule 10, max is 15 mm. What sort of shrinkage can I expect? thank you. Rich
Jul 7, 2010 1 #2 arunmrao Materials Joined Oct 1, 2000 Messages 4,758 Location IN Contraction allowance of 2.5% is recommended. Upvote 0 Downvote
Jul 8, 2010 Thread starter #3 ccme Automotive Joined Jul 7, 2010 Messages 2 Location GB Thanks! Upvote 0 Downvote