Specialty Alloy Springs
Engineered spring solutions tailored for extreme environments — high temperatures up to 800°C, severe chemical corrosion, high-frequency oscillation, non-magnetic requirements, and smart shape memory actuation.
High-Temperature Resistant Springs
Operating Up to 800°CElevated temperatures degrade conventional spring elasticity, inducing stress relaxation, creep, and rapid thermal aging. TOSTA utilizes Inconel 718, Inconel X-750, Nimonic 90, and GH4169 superalloys to maintain reliable elasticity from -200°C to +800°C in gas turbines, boilers, and exhaust systems.
Corrosion-Resistant Springs
Marine, Acid/Alkali & Sour Gas ServiceCorrosive chemicals and marine chlorides induce pitting and intergranular attack that become premature fatigue initiation sites. Engineered with Hastelloy C-276, Monel K-500, Titanium Grade 5, and 316L stainless steel to resist saltwater, sulfuric acid, chlorine, and H2S sour gas environments.
High-Frequency Oscillation Springs
Dynamic Fatigue & High-Cycle LifeRapid dynamic cyclic loading and resonance accelerate material fatigue and catastrophic spring failure. TOSTA combines high-purity valve-grade spring wire, precision shot peening, and stress relief optimization to deliver superior cycle life under millions of dynamic oscillations.
Non-Magnetic Springs
Magnetic Permeability µr < 1.01Sensitive medical and electromagnetic equipment requires non-ferrous springs that do not distort magnetic fields or undergo magnetization. Crafted from Beryllium Copper (CuBe2), Phosphor Bronze (C5191), and Austenitic 316L for MRI scanners, aerospace navigation, and electronic sensors.
Shape Memory Alloy Springs
Nitinol (NiTi) Thermal ActuationHarnessing reversible martensitic-austenitic phase transformations to generate mechanical actuation from temperature variations. Delivering superelasticity and large recovery forces for self-powered thermostatic valves, aerospace deployments, and medical actuators without external power.
Elgiloy® Springs
Co-Cr-Ni Superalloy (UNS R30003 / Phynox)A premium cobalt-chromium-nickel superalloy offering tensile strength exceeding 2,000 MPa, exceptional fatigue resistance, complete non-magnetic properties, and biocompatibility. The preferred choice for downhole oil exploration tools, aerospace engines, and medical implantable devices.
Operating in Complex Environments Beyond Standard Springs?
Consult our materials engineering team with your specific temperature, chemical exposure, load, and envelope constraints. We design and manufacture custom superalloy springs to your exact technical specifications.