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Cast iron - 160mm dia

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JasonB20/07/2019 20:01:58
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Nothing wrong with cast iron for crankshafts, I have done several with it. Though it does have to be cast from SG Iron (spheroidal graphite) To work it is somewhere between grey iron and steel depending on the exact grade, probably more on the steel side in most cases. You can buy SG bar if you want to cut from scratch rather than castings.

In the raw

You can get a good finish on it

And another one

Samsaranda20/07/2019 20:26:31
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Thanks for that Jason, worth remembering.

Dave W

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