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.
- Other metal finished products •
- Small metal parts •
- Springs •
- Compression springs •
- Extension springs •
- Torsion springs •
- Special springs