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Torsion Bar

Torsion Bar

Torsion Bar

(OP)
I have a very old torsion bar that has been analysed as being nearly eqiv to British 925A60. It falls within the spec except my shaft has the addition of .15 Ni.
Is this a common matl. for torsion bars?
Can anyone suggest an eqiverlent, also a website with eqivl. metals
Thanks

RE: Torsion Bar

(OP)
I forgot to add. The shaft is marked on the end with an arrow. Is it usual to refit torsion shafts the same way after stripping and why. Do they get "prestressed"

RE: Torsion Bar

(OP)
Also I notice from a lot of spring steels there is no nickel, why's that?

RE: Torsion Bar

High spring steels are high in silicon,as it imparts resilience to it. It is this single property which make spring steels work. Ni addition though not popularmight also not be harmful at 0.15% levels.

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