Compression springs

Reference standards:

UNI 7900-1:1978

UNI 7900-6:1980

UNI 7900-7:1981

UNI 8525:1984

UNI EN 13906-1:2003

Cylindrical and conical springs, with constant or variable pitch, in round wire in square or rectangular section; diameter 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 with in addition for 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 e type 1.4301, 1.4539 according to norm EN 10088-3 type 1.4310, 1.4310 HS, 1.4568, 1.4404.

Copper alloys: norm EN 12166 Brass phosphor bronze phosphor.

Nickel alloys: ™Inconels, ™Nimonics and others.

Production line batch

For small amounts: ten of pieces.

For large amounts: millions of pieces.

Treatments:

Epoxy coating

Cataphoresis treatment

Zintek ® Painting

Geomet 320 ®

Dacromet ®

White and yellow trivalent galvanisation (free from Cr VI)

Phosphating, passivation, Aesthetic nickel and chrome, chrome plating, hard chrome plating, chemical nickel, gold, silver, brass, copper.

Shot peening.