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KOMETYAY is very careful in the selection process for steel wire suitable for the manufacture of springs and works only with Suppliers that comply with local and international norms DIN EN 10270-1 (TS2500-1 EN 10270-1), DIN EN 10270-2 (TS2500-2 EN 10270-2), DIN EN 10270-3 (TS2500-3 EN 10270-3), DIN EN 10151 and DIN EN 10132-4.

DIN EN 10270-1 Norm

Patented cold drawn unalloyed SL, SM, DM, SH, DH quality spring steel wire.

DIN EN 10270-2 Norm

Oil hardened and tempered spring steel wire.

DIN EN 10270-3 Norm

Stainless spring steel wire.

DIN EN 10151 Norm

Stainless steel strip for springs.

DIN EN 10132-4 Norm

Cold-rolled narrow steel strip for heat-treatment.