Overview of bronze and applicable industries.
Why has bronze been used for electronic components for many years? What are its differences from other alloys, and what applications is it suitable for?
The reason why phosphor bronze is widely chosen for precision components in electronic parts (such as connectors) is not only due to its high hardness but also because it possesses excellent spring properties (elasticity), outstanding fatigue resistance, and advanced technical characteristics known as "stress relaxation resistance," which enable it to maintain stable performance over long periods. The biggest difference between bronze and phosphor bronze lies in the presence and role of phosphorus (P). Phosphor bronze can be considered a higher-function alloy that dramatically improves the properties of traditional bronze through the deoxidizing effect of phosphorus. While maintaining the workability of bronze, it also enhances strength and toughness through alloying. The characteristics of phosphor bronze include a significant improvement in the "spring limit (the force to return to its original shape)" and "fatigue resistance" compared to bronze. It is an ideal material for components that require high reliability, such as the leaf springs and contacts of switches that must endure millions of cycles of operation. Due to these properties, phosphor bronze is predominantly used in products in the form of sheets, strips, or foils. However, product forms such as round bars and wires are also common. Round bars and wires are used in springs, screws, nuts, bearings, contacts, gears, connectors, and semiconductor devices. For more details, please contact us.
basic information
Bronze (tin bronze) Sheets, strips, wires, rods There are processes such as rolling, drawing, forging, and casting, with sheets and strips generally being cold rolled. Wires and thin rods are primarily produced through cold drawing. For more details, please contact us.
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Applications/Examples of results
Electronic components (spring materials) and contacts Tool components (strength, self-lubricating properties, conductivity) For more details, please contact us.
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Our company has been a primary wholesaler specializing in unique non-ferrous metals, such as [phosphor bronze bars, nickel silver bars, and beryllium copper bars], since our founding in 1964. Since our establishment, we have always worked with a spirit of gratitude and challenge under the management philosophy of "coexistence and mutual prosperity." By maintaining a sense of gratitude, our actions and responses change. As a result, we believe we can grow into a company that earns the trust of everyone and society. Moreover, challenges often come with anxiety, but as the saying goes, "it's easier to give birth than to worry," taking that first step often leads to better outcomes than expected. We aim to continue challenging ourselves with a broad perspective and knowledge. While cherishing the core values of gratitude and challenge that are the foundation of Shinwa Shoji Co., Ltd., we will work together as a company to advance in the wholesale business. We look forward to a long-lasting relationship with you. 【Trading Manufacturers】 ■ Fujii Seisakusho Co., Ltd. (Major trading manufacturer) ■ NGK Insulators, Ltd. (Major trading manufacturer) ■ Oki Shindou Kogyo Co., Ltd.