Spring Steel

Grade:
c-80 en-42j high carbon spring steel (annealed form)
chemical composition of c-80 grade (as per is:2507) -
carbon - 0.75 to 0.85 %
manganese - 0.60 to 0.90 %
silicon - 0.10 - 0.35 %
sulphur - 0.04 % (max)
phosphorus - 0.04 % (max)
specifications -
hardness -
generally material in this grade is stocked in fully annealed form with a hardness of 160 - 180 hv vpn. Also as per customer's request different hardness range such as half-hard or full hard can be achieved.
Thickness range -
0.25 mm up to 5.00 mm
width range -
5.00 mm up to 400 mm
application -
auto components such as washers, circlips, dowel pins, various types of springs, horn parts, pressure plates, etc.
Other equivalent grades -
sae standards - sae 1080
as per din standards - ck-75-80
as per en standards - en-42 j
as per japanese standards - jis g 3311 s80c