Choice of spring material

Customer/Industry

Manufacturer of heavy vehicle components

Background

The customer has an oil tempered spring that was zinc plated. The springs often broke due to hydrogen embrittlement.

Action

Lesjöfors suggested a change of spring material to EN 10270-3-1.4568 (or SS 2388 which was the old Swedish standard).

Improvement

The customer was able to omit plane grinding, which saved about 3 million crowns/year.

Solutions for vehicles demands extra high quality focus
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