Nozzle

For Laser Cutting :

• Single-layer nozzle has a relatively slow gas flow rate and is often used to cut stainless steel, aluminum alloy, copper and other metals. Nitrogen is often used as an auxiliary gas.
• Double-layer nozzle has a fast gas flow rate and is suitable for high-speed cutting. It is often used to cut carbon steel and generally uses oxygen as the auxiliary gas.

For Laser Welding: 

A laser welding nozzle is a crucial part of a laser welding machine. It comes in various shapes and types.