Spring Steel Bar
We are now able to offer spring steel bar in small quantities.
We supply EN45 ,EN47 and EN9.
EN45 is a silicon manganese spring steel (approx. 0.55% carbon), suitable for oil hardening and tempering.
EN45 is suitable for the manufacture of springs and blades. it is wideley used for making 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 supply
Larger sizes available, please call to check