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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...
Forged steel means that when inspect the surface by maco-etching you should see grain flow, fiberlike line that following the shape of the part or product if not it could be the other form of wrought products such as rolling, extrusion etc which are show grain direction only but nor forging flow...
