Superharmonic steel wire for spring production

SAPA ACCIAI Srl sells superharmonic steel drawn wires, best suited for the production of compression, tensile, and torsion springs. These wires can also be used to manufacture strings for musical instruments - pianos in particular.

The CLASS II DIN 17223-64 superharmonic steel wire (also known as music wire) is available in spools, coils, wire carriers, and bars from ø0.20 mm to ø9.00 mm.