Guys, what grade of steel should I look at for components that will be machined and used for the Z plates etc? My German friend providing the parts does not know the UK equivalent but in Germany its called 'Automation Steel' Supposedly its easy to machine and works well for this.

I assume its something like 4140 but I'm not sure.

This will be for machining the bearing holders and any plates for the Axis as well as any ribbing that might be used to reinforce the structure.

Any thoughts?

Thanks