EN
Flat wire features larger contact area, higher load capacity and more stable elasticity under limited installation space.
Flat wire springs are coiled with rectangular or square flat steel wires, different from conventional round wire springs, mainly including flat compression springs, flat torsion springs and flat extension springs. With larger bearing area under load, they provide higher bearing capacity and stable elastic force within the same installation space and are less prone to deflection during compression. Made of manganese steel, stainless steel flat wire and alloy spring steel, stainless steel types resist rust and corrosion for humid and oily working conditions, while manganese steel owns outstanding toughness and wear resistance for heavy-load equipment. Characterized by compact size, large load capacity, stable rebound and excellent fatigue resistance, flat wire springs are widely used in precision molds, automotive shock absorption, electrical switches, hardware buckles, new energy parts and precision instruments. Customization on wire thickness, width, outer diameter, coil quantity and forming angle is available to satisfy high-strength elastic demands of limited mounting space.
Compression Spring Design:
Cylindrical
Wire Width/ Thickness
Closed Ends • Open Ends • Reduced Ends
Ground Ends
Constant Pitch • Variable Pitch
Finishing Operations:
Stress Relieve • Heat Treating • Passivation
Shot Peening • Plating • Painting
Powder Coating • Grinding
Wire thickness from 0.05 through 8.0mm
Wire width from 0.10 through 16.0mm
Materials:
Carbon Steels • Alloy Steels
Stainless Steel 17-7, 302, 304 and 316
Phosphor Bronze
Inconel x750
Flat wire allows for higher force and energy storage in tighter spaces compared to round wire, effectively reducing the spring's solid height and overall space.
High-load space-saving compression spring made of flat wire. Higher energy density, better stability than round wire springs. Ideal for automotive seats, electronics, valves, battery connectors. Customizable.
Flat wire wave springs are innovative space-savers that replace conventional coil springs, reducing operating assembly heights by up to 50% while maintaining identical forces. Ideal for tight radial and axial constraints, they ensure uniform load distribution in aerospace bearings, electric motors, and high-end automotive assemblies.
Uniform-force spring delivering consistent tension across full travel. Long stroke, compact design, high fatigue life. Ideal for tape measures, window blinds, medical devices, automotive retractors. Customizable.
Compact spiral spring delivering consistent rotational torque. Long cycle life, high fatigue resistance. Ideal for clocks, timers, retractable cords, automotive components. Customizable.
Heavy-duty high-load spring for industrial molds. Exceptional durability, heat resistance, long service life. Ideal for stamping dies, injection molds, die casting tools. Customizable.
Precision-formed flat wire components with optimized space usage. High strength, tight dimensional accuracy. Ideal for electronics connectors, automotive parts, hardware, medical devices. Customizable.
Flat wire springs are the core elastic components of the three-electric system in new energy vehicles. With the advantages of high space utilization, strong load capacity and long fatigue life, they are widely used in power battery module fixing structures, drive motor bearing preloading devices, electronic control system damping components and charging interface locking mechanisms. In 2024, their penetration rate in the three-electric system of new energy vehicles reached 78%, and the average usage per vehicle increased by 3.2 times compared with traditional fuel vehicles. They also play an important role in the lightweight upgrade of aluminum alloy chassis suspension systems.
In the consumer electronics field, flat wire springs provide stable contact pressure and resilience for Type-C connectors, battery contacts and key switches of smartphones and laptops. In the semiconductor manufacturing process, high-precision flat wire springs are key components of wafer transfer robot arms, lithography machine alignment modules and chip test fixtures. The growth of the global semiconductor equipment industry in 2024 directly drove a 25% year-on-year increase in the demand for flat wire springs in this field.
Flat wire springs undertake the functions of precise force control and energy storage in medical equipment. They are commonly used in the clamping mechanisms of minimally invasive surgical instruments, drug delivery systems such as insulin pumps, elastic components of medical sensors and dental treatment equipment. Some high-end products are made of special materials such as nitinol alloy, which can meet the strict requirements of biocompatibility, corrosion resistance and high-precision force output.
Flat wire springs are indispensable basic components in home appliances. They are widely used in the door latches of refrigerators and washing machines, the door hinges of microwave ovens and ovens, the air outlet adjustment mechanisms of air conditioners, the power switches of various electrical appliances and motor brush assemblies. Their compact structural design effectively saves the internal space of home appliances and ensures the reliability of millions of cycles of use.
In industrial automation scenarios, flat wire springs are mainly used for bearing preloading of collaborative robot joints, clamping mechanisms of end effectors, positioning fixtures of automated production lines and elastic trigger components of various sensors. They can maintain stable performance in high-frequency and high-load working environments. In 2024, the demand growth rate of flat wire springs in the industrial robot field remained above 26%.
The aerospace field has extremely high requirements for the lightweight and reliability of components. With an excellent strength-to-weight ratio, flat wire springs are used in the actuators of aircraft control systems, satellite solar panel deployment mechanisms, sensor components of missile guidance systems and buffer parts of landing gears. They can work stably for a long time in harsh environments such as extreme temperatures, strong vibrations and high vacuum.
