Torsion springs

Standard reference norms:

UNI 9061 ATT.1: 1987

UNI 9061 ATT.2: 1987

UNI 9062:1987

UNI EN 13906-3:2003

Springs with simple or complex shapes, built with round, square or rectangular wire, from 0.07 mm to 20.00 mm.

Raw materials used:

Carbon steel wire norm EN 10270-1 with in addition for SM, SH, DH

Carbon steel wire norm EN 10270-1 type SM, SH, DH in pre-galvanized, Alumar® e Bezinal®

Steel wire pre-temperate norm EN 10270-2FD, TD, VD Cr-Si

Inox steel wire norm EN 10270-3 with in addition for 1.4301, 1.4539 according to EN 10088-3 with in addition for 1.4310, 1.4310 HS, 1.4568, 1.4404.

Copper alloy: norm EN 12166 brass and bronze phosphor.

Production batches:

For small amounts: dozens of pieces.

For large amounts: millions of pieces

Available treatments on torsion springs:

Epoxide coating

Cataphorised coating

Zintek® coat

Geomet 320®

White and yellow trivalent galvanization (free from Cr VI)

Phosphated, Passivation, Nickel, Chrome platings, Thick chrome, Hard chrome, Chemical nickel, gold, silver, brass, copper.

Shot peening.