1.5919, 15CrNi6, Alloy Steel
1.5919 Alloyed case hardening steel for highly strained parts and good toughness at core tensile strength of 900 – 1200 N/mm². Driving bevel gears, crown wheels, gears, shafts, bolts for automotive and gear components.
Chemical composition: (Typical analysis in %) | C | Si | Mn | Cr | Ni | other |
0,15 | 0,25 | 0,50 | 1,55 | 1,55 | (Pb) |
Hot forming and heat treatment: | Forging or hot rolling: Normalising: Soft annealing: Carburising: Core hardening: Intermediate annealing: Case hardening: Tempering: | 1100 – 850°C 850 – 880°C/air 650 – 700°C/furnace 880 – 980°C 830 – 870°C/oil 630 – 650°C 780 – 820°C/oil 150 – 200°C |