AYTEK is very sensitive in the choice of steel coil material used in spring production. In that context, AYTEK supplies raw materials from suppliers qualified to international and national norms of DIN EN 10270-1 (TS2500-1 EN 10270-1), DIN EN10270-2 (TS2500-2 EN 10270-2), DIN EN10270-3 (TS2500-3 EN 10270-3), and who has proved their quality both nationally and internationally.
- DIN EN 10270-1 Standard includes; Patented, cold-drawn unalloyed A, B, C, D quality steel spring wires.
- DIN EN 10270-2 Standard includes; Oil hardened and tempered, CrV-CrSi, CrV-CrSi quality steel spring wires.
- DIN EN 10270-3 Standard includes; Stainless steel spring wires.