After some successful experiments, Cobra, together with its customers, has developed a hardened strip steel line with alternating thicknesses.
Despite extremely high requirements concerning the minimal cross curve of the highly carbonic strip steel (0.02% max. of the material’s width), the firmness acquired is more than 60 HRC. Due to the cascaded profile of the material, this strip steel material was lovingly nick-named “Stair Strip Steel”.
In December 2025, we reached an important milestone: our quality management system was successfully certified according to ISO 9001. This certification confirms our high standards in terms of quality, structured
As an experienced manufacturer of precision strip steel, we supply semi-finished products of the highest quality – specifically tailored to the requirements of saw blade production. Our customers benefit from
What many people overlook: Even the smallest cracks at the edges of steel strip can lead to material failure under stress – with serious consequences for components such as springs,