Inconel 718
Solution treated + aged · 40–44 HRC
N077182.4668AMS 5662 / 5663REFERENCE DATA
MACHINING IDENTITYInconel 718 · Aged · 40–44 HRCDo not enter cutting parameters or quote until condition and hardness are confirmed.
ISO GROUPISO S
HARDNESS40–44 HRC
MACHINABILITY5 / 5
CONDITIONAged
FAMILYNickel superalloy
UNSN07718
EN / DIN2.4668
ASTM / AMSAMS 5662 / 5663
MAIN INDUSTRIES
Turbine, engine hot section applications. The machinability score changes with the selected condition.
MACHINABILITY SCALE
1EasyAluminium, magnesium, low-carbon steel. The problem is distortion and chip evacuation.
2ModerateFerritic/martensitic steel, boiler steels, cast valve materials.
3DifficultAustenitic and PH stainless, standard duplex, CP titanium.
4Very difficultSuper duplex, super austenitic, Ti-6Al-4V and beta titanium, hardened steel.
5ExtremeNickel- and cobalt-based superalloys, refractory metals, turbine castings.