1.8159 50CrV4


This grade is a medium high-carbon chromium-vanadium steel with medium hardenability. This grade is available as hot worked and cold finished bar, rod, and wire; bar subject to end-quench hardenability requirements; and bar that meet aircraft quality requirements


%C %Si %Mn %P %S Cr Mo Ni other
0,47-0,55 ≤0,40 0,70-1,10 0,035 0,035 0,90-1,20 V 0,10-0,25


Hot working:

Forging temperature range: 1230-850℃
Note: Heat to 1230 ℃. Do not forge below 850.
Heat treatment:

Soft annealing ℃ HB 30-soft annealed Normalizing ℃ Hardening temperature for quenching in Water ℃ Hardening temperature for quenching in Oil ℃ Tempering temperature ℃
680-720 248 840-900 820-860 830-870 540-680


Main application:

Gear and articulation components, cog wheels, arbors
Shape of product:

Round, flat, step shape, ring, disc, shaft, other shape depend on customer needs