We are now able to offer spring steel bar in small quantities. We stock EN9, and EN45
EN45 is a silicon manganese spring steel (approx. 0.55% carbon), suitable oil hardning and tempering. EN45 is suitable for the manufacture of springs and blades. it is wideley used for naking automotive leaf springs and much favoured in the manufacture of historical blades. Closely related or equivalent grades include 250A53, 250A57 and 55SiMn7.
EN9, also known as 070m55, as a carbon content 0.50/0.60 this is a medium carbon steel which can develop a tensile strength of 700N/mm 45tsi. In the normalised condition EN9 can be used for gears, sprockets and cams.
We can supply almost any quantity from a single bar shipped anywhere in the UK , usually (subject to stock), within 48 hours. We now offer EN47 round spring steel bar, details can be found here
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The sizes we stock
Larger sizes available, please call to check