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Magnetic bronze

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Mark Millward 1	27/01/2012 11:06:26
13 forum posts	I have some bronze that is slightly magnetic has anyone any idea what this could be. Would it be softer or harder than "normal" bronze ? It came from the rudders from a RAF launch. Thanks Mark
Andrew Johnston	27/01/2012 11:23:40
7061 forum posts 719 photos	Probably a nickel aluminium bronze, which is weakly magnetic, and was used in naval applications. Regards, Andrew
GoCreate	27/01/2012 11:44:13
387 forum posts 119 photos	Hi Copper alloys that contain iron, nickel, manganese or cobalt may be attracted to a magnet. Could be Nickel Aluminium Bronze as suggested by Andrew or maybe a Copper Nickel alloy which often have some iron content. Both should be OK to machine the Nickel Aluminium Bronze being the harder and tougher material Nigel Edited By tractionengine42 on 27/01/2012 11:45:02
Mark Millward 1	27/01/2012 17:41:31
13 forum posts	Thanks folks I was kind of hoping it would be hard enough to make a cylinder liner for a .46 two stroke glow engine. Frustratingly I just cant lay my hands on ant mild steel at the moment. Mark

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