1.7139 16MnCrS5



1.7139 is a case hardening steel for steam boilers and turbines, shafts for higher temperature ranges




%C %Si %Mn %P %S Cr Mo Ni other
0,14-0,19 0,40 1,00-1,30 0,035 0,02-0,035 0,80-1,10


Hot working:

Forging temperature range: 1200-850℃
Note: Heat to 1200 ℃. Do not forge below 850.
Heat treatment:

Soft annealing Heat treatment to obtain a certain structure Heat treatment to obtain a certain tensile strength Carburize Core hardening Surface hardening Temper
650-700 850-950 900-1000 900-950 850-880 810-840 170-210


Main application:

Gear and link components, bevels, plate- and cog wheels
Shape of product:

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