Profile: ALS Ultrasonics specializes in all aspects of ultrasonic plastic welding equipment and tooling. We have a wide range of ultrasonic, vibration, spin and hot plate plastic welding equipment. Our service package contains services like repairs, service, spare parts and sub-contract assembly. We cover materials like high grade aluminium, high grade titanium, tool steel and CPM steel. Tool steel is a suitable sonotrode, after hardening it is ideal for thread inserting. With high internal resistance it is suitable for low to medium amplitude application. High grade titanium is a good acoustic material to manufacture a sonotrode. With tungsten carbide coating of the welding face it shows good life even with high levels of fillers.