Nozzle material & heat

Question, and some confirmation of my understanding. Beyond a material’s ability to handle abrasive filaments does the material have a meaningful impact on heating / end result?

I feel that people get a different mental image with the word nozzle, so I’m going to refer to the subject of my question as a nozzle tip. I have seen for sale kits with a hotend and options for different nozzle tips that screw into the hotend - specifically brass which is not an option Bambu offers. I know brass conducts heat better than steel, but with the heat being applied as indicated in the picture would there be any meaningful impact vs. stainless since the brass consists of a few threads and the final point of the nozzle tip? Will that increased thermal transfer of brass make a difference for the … fraction of a second that the hot filament is in contact with its surface?

The difference is apparent when you calibrate filaments that are temperature sensitive. With my hardened steel nozzle, I routinely find that I select the high end of the manufacturer recommended range (based on brass nozzles) and sometimes 10-15°C above.

Heat flow is affected by the temperature difference and the resistance to heat transfer. Higher temps at the heat block are needed to maintain the correct temperature at the hardened nozzle tip.

PLA works over a wide range of temperatures - a temp tower might not show any differences over a 30°C range. With PETG, 5°C can make a visible difference.