Do you know the properties of the different nozzles at 3D Eksperten?

See the following overview: 

• Brass (Brass) - You can use brass nozzles for a wide variety of filaments, such as PLA, ABS, PETG and nylon, but not abrasive materials.
• Steel (Steel) - With a steel nozzle you can use abrasive materials, such as glow in the dark, metal filaments, wood filaments and ceramic. However, you will have to replace the steel nozzle more often than if you choose a hardened steel nozzle.
• Hardened Steel (Hardened Steel) - This type of nozzle is good to use if you often print with abrasive materials. The nozzle holders for a longer time.
• Titanium - Titanium is stronger than steel - significantly stronger and more durable over time.
• Ruby - Keep the same temperature for a longer time, extremely durable
• Tungsten - Super wear resistance, very high temperature performance, super wear resistance, faster extrusion speed.