N Na NACE Narrow National Machine Tool Builders Association Natural Aging Natural Aging 2 Natural Sand Naturally Bonded Molding Sand Naval Brass(Admiralty Brass) Navy (USA) Tear Test Nb NBS NDDT Near-side Neat Brick Neat Cement Neck Down (Knock-Off, Wafer Core, Washburn, Cameron Core) Necking Necking 2 Necking Down Necleus NEEDLE Needle Cutter Steel NEEDLE VALVE Needles Needling Agents Negative Quenching (Negative Hardening) Negative Thermoie Heat Exchange Nerf wheel Nesh (Hot Short) Network Structure Neumann Band Neutral Refractories Neutron New Jersey Sand NEWTON Next Standard Operation NFFS Ni Nichrome Nickel Nickel 2 Nickel Silver Nickel Steel Nickel-Based Superalloys Nine-Inch Equivalent Niobium NIPPLE NISA Nital Nitrading Nitriding Nitriding 2 Nitriding Steel NITROGEN Nitrogen Back Up Air Nitrogen Flush No Screw Plate No. 1 Heavy Melt Nobake Binder Noble Metals Nodular Fireclay (Burley, Burley Flint) Nodular Graphite Nodular Iron Nodular Pearlite Noise Radiator Noise Spectrum Nomogram (Graph) Non Destructive Testing Non Magnetic Steels Non-Aging Non-Ferrous Founders' Society Non-Ferrous Metals Non-Heat-Treatable Alloy Non-Metallic Inclusions Non-Refractory Alloy Non-Return Non-Return Valve Non-Scalloping Quality Strip Steel Non-Temper Passed Bands Nondestructive Testing (Inspection) Nonfill Nonreflow Plate Normal Segregation Normal Steel Normalizing Normalizing 2 Normalizing 3 Normalizing 4 Notch Bar Notch Brittleness Notch Sensitivity Notch, double Shear Notched Bar Notched Bar Test Novalak Nozzle Nozzle Brick Nozzle Pocket Brick NTP Nucleation Nucleation 2 Nucleus NUE NULL Number as Pertaining to Hardness Number as Pertaining to Hardness 2
