Vacuum Carburizing (LPC) Aalberts surface technologies > processes > Vacuum Carburizing (LPC) what is low pressure carburizing? Low Pressure Carburizing (or Vacuum Carburizing as it is also known) provides a clean, modern approach to carburizing. This heat treatment which requires real precision, is one delivering low distortion of the original component whilst carburizing is achieved. the process Vacuum (low pressure) carburizing is an alternative technology to traditional gas (atmospheric) carburizing. Thus, it is a thermo-chemical treatment consisting of heating steel parts to temperatures usually in the range of 900-1000°C and heating them to a carburizing atmosphere. The purpose of carburizing is to enrich the surface layer with carbon and, consequently, increase its hardness and abrasion resistance while maintaining malleable core. Immediately after carburizing, hardening and tempering are most often performed, however, unlike traditional carburizing, it has a number of advantages resulting from both the used carrier gases – carburizing (C2H2 – acetylene), and the environment in which it is carried out – a vacuum furnace. Environmentally friendly – no CO2 emissions. Turbine Gear parts for Low Pressure Carburizing fields of application Especially tool steel benefits from low pressure carburizing as the process delivers extremely long wearing surfaces, ideal for tooling operations. The main advantages are: No oxidation at the grain boundaries (No IGO) Narrower range of CHD carburizing layer tolerance – smaller scatter of results Stability and repeatability of results Accurate carburizing of narrow holes, including blind holes Minimization of quenching deformations – resulting from the use of gas as a quenching agent Increasing the production efficiency by the possibility of carrying out processes at higher than traditional temperatures, i.e. 980 ° C and higher. Clean surface of details (silver metallic), no scale Environmentally friendly – no CO2 emissions groundbreaking industries we serve tool manufacturing process locations Any questions? Contact us directly or select a process location near you. get in touch heat treatment Letchworth United Kingdom 362 km info.letchworth@aalberts-st.com +44 1462 472100 show location heat treatment Kalisz Poland 932 km info.kalisz@aalberts-st.com +48 798 804 003 show location show all locations processes industries people & culture locations & contact news downloads follow us terms and conditions | data protection statement | legal notice | certificates cookies The Aalberts websites use cookies (read more) to analyse website usage and improve usability. We also use third party tracking-cookies to measure user preferences, enable content sharing on social media and interest-based advertising. If you hit 'accept' you allow to us to place the different types of cookies. settings accept all