Under extrusion issue with new steel nozzle

Today I switched out my brass nozzle for a hardened steel one so I could print some more abrasive filaments.

I noticed that my prints began to de-laminate really easily after this upgrade. I increased my temps and that seamed to fix the issue.. Is that normal? Is steel just less thermally conductive and thus needing a higher temperature?

 

The picture is just my two nozzles side by side

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Most likely and you'll probably find some other issues.  Probably a good idea to Google about steel nozzles to find out what others have run into.

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