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press hardening wikipedia jump to content main menu main menu move to sidebar hide navigation main page contents current events random article about wikipedia contact us contribute help learn to edit community portal recent changes upload file special pages search search appearance donate create account log in personal tools donate create account log in contents move to sidebar hide top 1 methods 2 advantages 3 see also 4 references 5 external links toggle the table of contents press hardening 2 languages deutsch türkçe edit links article talk english read edit view history tools tools move to sidebar hide actions read edit view history general what links here related changes upload file permanent link page information cite this page get shortened url switch to legacy parser print export download as pdf printable version in other projects wikidata item appearance move to sidebar hide from wikipedia the free encyclopedia metalworking shaping process hot stamping also known as press hardening hot press forming or hot forming die quenching is a relatively new technology which allows ultra high strength steels typically 22mnb5 boron steel 1 to be formed into complex shapes which is not possible with regular cold stamping operations 2 this process is commonly used for the production of automotive body in white components because its advantages align with the design criteria of modern passenger vehicles for high strength aluminium alloys there is a similar hot forming process which has different metallurgical transformations hot form quench 3 methods edit indirect hotforming sketch direct hot forming sketch direct hot forming direct process the unformed blank is heated in a furnace formed in hot condition state 2 in below figure and quenched in the die to achieve the required properties indirect process the blank is formed trimmed and pierced in cold condition i e state 1 in below figure it is later heated and quenched in a die to get high strength properties selection of the process depends on part complexity and blank coating zn based coatings typically require indirect process in either method the blank is formed in a much softer and formable state and is later hardened in the dies which have drilled cooling channels a typical hot stamped components has 1000 mpa 145 ksi yield stress and 1500 mpa 215 ksi ultimate tensile strength 4 5 the process is undergoing constant refinement with new grades of steel emerging for hot and cold forming 6 advantages edit higher strength steels may help reducing the weight by downgauging i e use of thinner sheets while increasing the crashworthiness 7 however one problem with many high strength steels is that their formability is generally lower than milder grades in addition springback and die wear also cause problems as the forming stresses and contact pressures are higher 8 see also edit cnc plunge milling references edit hickey kate 2021 09 22 press hardened steels ahss guidelines retrieved 2024 03 12 so h d faßmann h hoffmann r golle m schaper an investigation of the blanking process of the quenchable boron alloyed steel 22mnb5 before and after hot stamping process journal of materials processing technology 212 437 449 2012 scharifi emad yardley victoria a weidig ursula szegda damian lin jianguo steinhoff kurt august 2023 hot sheet metal forming strategies for high strength aluminum alloys a review fundamentals and applications advanced engineering materials 25 16 doi 10 1002 adem 202300141 hdl 10044 1 106720 issn 1438 1656 kurz t new developments in zinc coated steel for press hardening in insight edition conference september 20 21 gothenburg sweden 2011 watkins j material development in ap t press hardening next step seminar novi mi october 2011 billur eren berglund göran gustafsson tord 2019 history and future outlook of hot stamping in billur eren ed hot stamping of ultra high strength steels from a technological and business perspective cham springer international publishing pp 31 44 doi 10 1007 978 3 319 98870 2_3 isbn 978 3 319 98870 2 s2cid 116476501 retrieved 2024 03 07 smith d 2011 grand cherokee presented in great designs in steel may 18th livonia mi 2011 billur e t altan challenges in forming advanced high strength steels in proceedings of new developments in sheet metal forming 2010 pp285 304 may 2 4 stuttgart germany 2010 external links edit metal stamping v t e metalworking v t e forming fabrication and finishing general fabrication piece work sheet metal forming processes coining casting metalworking drawing electrohydraulic forming electromagnetic forming explosive forming extrusion forging hydroforming stamping press hardening progressive stamping punching rolling sinking spinning swaging tube bending joining processes brazing crimping riveting soldering welding finishing processes anodizing galvanizing heat treating mass finishing patination peening plating polishing casting fabrication forming jewellery machining metallurgy smithing tools and terminology welding retrieved from https en wikipedia org w index php title press_hardening oldid 1360729977 category metalworking hidden categories articles with short description short description matches wikidata this page was last edited on 23 june 2026 at 06 43 utc page was rendered with parsoid text is available under the creative commons attribution sharealike 4 0 license additional terms may apply by using this site you agree to the terms of use and privacy policy wikipedia is a registered trademark of the wikimedia foundation inc a non profit organization privacy policy about wikipedia disclaimers contact wikipedia legal safety contacts code of conduct developers statistics cookie statement mobile view search search toggle the table of contents press hardening 2 languages add topic