1.7139

16MnCrS5

 

 

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

 

Composition:

 

%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