Referring norms

UNI EN 13906-1 Compression cylindrical helical springs
UNI EN 13906-2 UNI EN 13906-2 Cylindrical exstension springs
UNI EN 13906-2 Torsion helical springs
UNI EN 15800-9 Quality requirements for compression springs cold wound

Used materials

UNI EN 10270-1 Patended cold drawn unalloyed spring steel wire (SM-SH-DH) UNI EN 10270-3
UNI EN 10270-3 Stainless spring steel wire (AISI 302-304-316)
UNI EN 10132-4 Hardened carbon steel strips (The material is usually blue in color with already some flexural strenght)
UNI EN 10132-4 Cold rolled narrow steel strip for heat Temprabile (C67) (After processing, hardering and tempering must be carried out)
UNI EN 10088-2 Strips in stainless steels (AISI 301)
UNI EN 10277-2 2008 S235JRC (Fe 360) Bright steel products
UNI EN 10089:2002 56SiCr7 Hot-rolled steels for quenched and tempered springs – Technical delivery conditions

Superficial treatments

We can do superficial component treatments on demand, for instance:

• Galvanization
• Black cataphoresis
• Painting
• Burnishing
• Vibro-finishing
• Burattatura
• Shoot-peening