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forging flow line versus grain direction

forging flow line versus grain direction

forging flow line versus grain direction

(OP)
If a aluminum forging drawing showing a grain direction would you look for grain direction only or forging flow plus grain direction? If you see grain direction correct, you still check grain flow, because I am having difficulty seeing flow lines with macro or micro etch but grain are correct direction.

RE: forging flow line versus grain direction

Yes after macroetching you should check for grain flow in addition to grain orientation. Grain orientation can be caused from other metal working methods.
 

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