crankshaft

Sorry for all the 101/newbie questions but I greatly appreciate the help! Are these rolled fillets?

79-83 Regal: hot air parts includes blocks, cranks, new turbos, new carbs lots of other parts, and full engine 83 Riviera: hot air setup, new turbo, new carb, never ran would like to sell all of it to one person or individually contact me for pictures or any extra information, 417-751-3828 ask...

Im trying to identify a crank that was pulled out of a built gn. its a steel crank with "231 3400" on it, so its stock stroke, also standard size journals. it looks like a pretty nice crank so I'm trying to find the brand. has an ID number 40142 stamped on the flywheel flange and M040142 on one...