Springs

Ranges

• Round and square wire springs

  • Traction – wire ø 0.3 to ø 28

  • Compression – wire ø 0.1 to ø 30

  • Torsion – wire ø 0.1 to ø 28

  • Formed wires

• Formed flat spring – thickness 0.1 to 3

• Leaf spring

Raw material

• Pre-galvanized wire

• Piano wire

• Stainless steel

• EN 10270, 50cRv4, XX70 to XC85, 55CrSi, 60Si2Mn …

Heat treatment

• Tempering, quenching

• Stabilizing anneal

Mechanical properties

• Pre-setting

Surface protection

• Shot blasting

• Pre-tension shot-blasting

• Oiling

• Browning

• Phosphatising

• Painting

• Rilsan coating

• Electrolytic zinc plating, hydrogen de-embrittlement process

• Zinc flake plating

• Cataphoresis