
Spring Steel Flat Springs
Spring steel flat springs are flat elastic elements made from high-quality spring steel strips through precision stamping, heat treatment, and forming processes,used for cushioning, resetting, energy storage, and force transmission in mechanical equipment.
We specialize in providinghigh-precision, high-qualitycustomized leaf spring solutions.Whether your requirements involve complex irregular structures, stringent force curves, or small-batch R&D prototyping, we can deliver one-stop services from design support to production delivery because our mature processes and strict quality control.

Product Parameters
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Core Specifications |
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Thickness Range |
0.1 mm – 10.0 mm (customizable according to design) |
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Process Features |
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Key Performance |
After optimized heat treatment, the product possesses excellent elastic recovery rate, with minimal force value degradation under long-term cyclic loading and outstanding anti-relaxation performance. |
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Material Selection |
Carbon Spring Steel:65Mn, high cost-performance ratio, good comprehensive mechanical properties, suitable for most conventional operating conditions. |
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Surface Treatment |
Blueing, blackening, galvanizing, nickel plating, chrome plating, gold plating, silver plating, electrophoresis, spraying and others |
Product Advantages
1.Materials
Carbon steel, alloy steel, stainless steel, copper alloys, and nickel alloys and others can meet various requirements. In addition to the high cost-performance 65Mn, the high fatigue strength 60Si2MnA, and the corrosion-resistant 316 stainless steel and others, depending on your application scenario, different material options can be provided.

2.Advanced Equipment: Utilizes imported precision hardware molds and processing equipment, implementing strict mold maintenance and spare parts management to ensure production stability and product consistency.
3.Comprehensive Testing: Equipped with complete material analysis, hardness testing, fatigue life testing instruments, providing data support and reasonable recommendations for your specific application environment, strictly controlling the quality at the first stage..

4.Fast Mold Response: Short mold development cycle (prototype mold approximately 12 days, mass production mold approximately 20 days for the first sample), able to quickly respond to the early-stage prototyping needs of high-precision spring sheets.
5.Flexible services and cost advantages
·Support for small-batch quick samples: Deeply understanding R&D prototype needs, we provide efficient sampling services and rapid design iteration support regardless of order size.
·Mold cost discounts: Mold design fees can be waived for production molds, and mold costs will be refunded after reaching the agreed delivery volume. Efficient stamping processes help reduce unit costs.

Typical application areas
With its flat layout and reliable elastic performance, spring steel leaf springs are widely used in:
Automotive industry: Clutch diaphragm springs, brush springs, various holding components.
Industrial electrical and electronic: Switch contacts, connectors, springs in relays.
Precision machinery and instruments: Valve plates, damper plates, reset and clamping elements for precision mechanisms.
Home appliances and general hardware: Components requiring flat elastic functions.
If you have design requirements for flat springs or are looking for a reliable custom supplier, please feel free to contact us.
Please provide your drawings or technical requirements, and we will promptly provide you with detailed proposals and quotes.
Choose Xuanyu Spring as Your Buiness Partner


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