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EN8 also know as 080M40. An unalloyed medium carbon steel. EN8 is a medium strength steel, good tensile strength. Suitable for shafts, stressed pins, studs, keys etc. AISI 1040.
Available as normalised or rolled. EN8 is supplied as round drawn/turned, round hot rolled, hexagon, square, flats and plate.

Chemical Composition BS 970:1991/1983 Nearest Equivalent C Si Mn Ni Cr Mo S P % % % % % % % % En8 0.35/0.45 0.05/0.35 0.60/1.00 - - - 0.06Max 0.06Max 080m40

Chemical Composition BS 970:1991/1983 Nearest Equivalent C Si Mn Ni Cr Mo S P % % % % % % % % En8 0.35/0.45 0.05/0.35 0.60/1.00 - - - 0.06Max 0.06Max 080m40

Chemical Composition BS 970:1991/1983 Nearest Equivalent C Si Mn Ni Cr Mo S P % % % % % % % % En8 0.35/0.45 0.05/0.35 0.60/1.00 - - - 0.06Max 0.06Max 080m40 Chemical Composition BS 970:1991/1983 Nearest Equivalent C Si Mn Ni Cr Mo S P % % % % % % % % En8 0.35/0.45 0.05/0.35 0.60/1.00 - - - 0.06Max 0.06Max 080m40 C Si Mn Ni Cr Mo S P % % % % % % % % En8 0.35/0.45 0.05/0.35 0.60/1.00 - - - 0.06Max 0.06Max 080m40

C

Si

Mn

Ni

Cr

Mo

S

P

%

%

%

%

%

%

%

%

0.35/0.45

0.05/0.35

0.60/1.00

-

-

-

0.06Max

0.06Max

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