مجتمع صنعتی اسفراین

L80

It is a C-Mn steel. This steel is generally used for the manufacture of pipelines

Composition:

%C	≤%Si	≤%Mn	≤%P	≤%S	%Cr	≤%Mo
0,3-0.35	0.2-0.3	0.95-1.35	0.03	0.015	0.3-0.5	0.06-0.01

Hot working:

Forging temperature range: 1260-850℃

Note: Heat to 1260 ℃. 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 ℃
650-700	–	850-880	820-850	830-860	550-660

Main application:

Arbors and discs of large cross section, pipe line

Shape of product:

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