Stainless steel passivation

for aeronauticsautomotivefor the construction industry

Compression springs operate generally via pushing motion. Compression spring bodies are generally cylindrical, conical or bi-conical in shape. Available in all sizes and grades of 0.1 to 8 mm wire thickness, Filame manufactures according to your needs from the single piece (prototype) but also in small, medium and large series. Compression springs are available only up to 20 mm in small and medium series. Worked steel Grade spring steel SM, SH, DH… Pre-coated galvanised SM grade, galvanised SH grade, Basinal © SM grade and Basinal © SH grade steel Oteva © silicon-chrome oil-tempered steel Stainless steel 1.4310, 1.4310 HS, 1.4401, 1.4568, 1.4462, 17/7 PH Low-carbon stainless steel 1.4301 Implant grade stainless steel 1.4441 Inconel 600, 625, 718, 750 Monel, Nimonic, Elgiloy … Finishings Pre-stressed shot peening Oiling Zinc plating Epoxy coating Cataphoresis Teflon © coating Geomet © coating Zinc flake coating Passivation Phosphate treatment Colour coding Gold plating Marking Ultrasonic cleaning Shot blasting Deburring Unit packaging in sachets, etc.