Technical information
Quenching and tempering +QT
Normalising +N
Annealed and tempered +AT
Annealed +A
Isothermal annealing +FP
Untreated +U
Turning up the heat
Before a forging leaves the SIEPMANN site, it will be put through a heat treatment process. At this stage, our products are given the material properties required by the customer – a crucial step in ensuring that our steel forgings have the quality and long service life that have come to be expected of us.