Spring Materials & Surface Treatments
Discover the Filame Group’s expertise in working with a wide range of metals and associated surface treatments.
The Filame Group specializes in working with various metals for the manufacture of springs, formed wires, cutting, stamping, and sheet metal works. Our technical expertise allows us to support you in choosing the material best suited to your requirements.
METALLURGY & ALLOY GRADESProcessed Materials
The Filame Group handles a wide range of high-performance metals engineered for high-precision components:
- Spring Steel: High-carbon grades XC65, XC75, XC80, XC90, and XC100 (EN 10132-4).
- Non-Spring Steel: Structural steels and deep-drawing quality steels.
- Stainless Steels: Grades 1.4310 (301), 302, 304, and 316 for corrosive environments.
- Superalloys & Special Alloys: Elgiloy, Hastelloy, Inconel, and Nimonic for extreme mechanical and thermal resistance.
- Copper & Copper Alloys: Pure copper, brass, phosphor bronze, and beryllium copper (CuBe2).
- Non-Magnetic Spring Alloys: Phynox, Elgiloy, Inconel 625/X-750, and CuBe2 for ultra-low magnetic permeability ($\mu_r \le 1.01$).
- Metallurgical Engineering: Galvanic couple management and environmental resistance analysis.
Surface Treatments & Protective Finishes
Filame operates in-house dip-coating and degreasing facilities and partners with certified coating specialists to provide comprehensive surface treatments:
- Metallic Coatings: Electrolytic zinc plating (clear or black), electroless nickel plating, chrome, and copper plating.
- High-Performance Protection: Phosphating, zinc flake coating systems (Delta Tone, Delta Seal).
- Technical Coatings: Epoxy painting and polymer powder coatings.
- Mechanical Finishing: Vibratory deburring, barrel polishing, and shot peening for extended fatigue life.
Explore Our Materials & Engineering Solutions
Stainless Steels
Discover our stainless steel grades (301, 304, 316L) and Filame's expertise in manufacturing corrosion-resistant technical springs and stamped components.
Spring Steel
Compare carbon spring steels XC65 to XC100 and leverage Filame's manufacturing expertise in springs, clips, and stamping on presses up to 320 tonnes.
Copper Alloys
Discover copper and beryllium copper alloys and Filame's expertise in precision stamping for electrical contacts and conductive spring components.
Non-Spring Steel
Discover our structural steels (DC01, S235, S355) and Filame's manufacturing expertise in stamping up to 320 tonnes, laser cutting, and welded assemblies.
Inconel Superalloys
Download the Inconel guide (718, X-750) and discover Filame's manufacturing expertise in high-temperature springs for aerospace and energy industries.
Hastelloy
Explore Hastelloy C-276 superalloys and leverage Filame's manufacturing expertise in precision springs and stampings for harsh chemical environments.
Nimonic
Discover Nimonic 90 superalloys and Filame's manufacturing expertise in creep-resistant springs operating under temperatures up to 550°C.
Elgiloy® alloy / Phynox
Discover Elgiloy and Phynox and leverage Filame's manufacturing expertise in high-endurance springs for advanced medical and aerospace applications.
Non-Magnetic Springs
Technical guide by Filame: relative magnetic permeability (μr), cold work risks in 301/302 stainless, and non-magnetic spring alloys (Phynox, CuBe2, Inconel).
Galvanic Corrosion
Explore the galvanic couples chart (ASTM G82), calculate corrosion risk, and discover Filame's manufacturing expertise in springs and multi-metal assemblies.
Hardness & Strength
Consult the hardness and tensile strength conversion chart (Rm, HV, HRC) and leverage Filame's expertise in engineering your custom metal parts.
Surface Treatments
Explore our 11 surface treatments (Zinc plating, Delta Tone, Shot Peening, Nickel) and Filame's expertise in hydrogen de-embrittlement for springs and stampings.
Raw Material Prices
Track steel and stainless steel market price trends and leverage Filame's expertise to anticipate material costs and secure industrial supply.