K K Factor K-Plate Kahlbaum Iron Kaldo Process Kalling-Dommarfvet Process Kaolin Kappa Carbide Kayser Hardness Test KC (Plane-stress fracture toughness) Kelvin Temperature Scale Kerf Key Key Rings Key Seat Keyhole Specimen Keystone Valve Keyway KIc (Plane-strain fracture toughness) Kick Off Plate Kicked Out Kieselguhr Killed Steel Killed Steel 2 Killed Steel 3 Kiln Kiln Marks Kiln-Dried Kilovolt (kV) Kilovolts Constant Potential Kilovolts Peak Kind Band (deformation) KINETIC ENERGY Kink Kip Kip 2 Kish Kissing (Touching) Knife Buildup Knife Gate Valve Knife Mark Knife Wrench Knives Knock-out Mark Knock-out Pins (Ejector Pins) Knoop Hardness Number (HK) Knoop Hardness Test Knurl Knurling KOP Pusher KOP Recirculating Filter KVA