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  3. 伸和商事
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伸和商事

addressTokyo/Taito-ku/3-2-10-8
phone03-3866-1917
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last updated:Sep 04, 2025
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リン青銅 リン青銅
洋白丸棒 洋白丸棒
快削リン青銅 快削リン青銅
ベリリウム銅・丸棒定尺板を即納で販売 ベリリウム銅・丸棒定尺板を即納で販売
ベリリウム銅・丸棒定尺板を即納で販売

ベリリウム銅・丸棒定尺板を即納で販売

ベリリウム銅

Low Beryllium Copper Round Bar | Lead-free next-generation material that combines high conductivity and high strength.

It has features such as no need for heat treatment, lead-free compatibility, and support for high current, making it ideal for applications that require reliability, such as connectors and semiconductor testing components!

The new product "ESHT/EHT" made from low beryllium copper round bars is a material that combines high conductivity and high strength. It features no need for heat treatment, is lead-free, and supports high current applications, making it ideal for applications where reliability is essential. We can provide it primarily in thin rod form. 【Example of Applications】 1. Compliance with Environmental Regulations and Safety Lead-free and low beryllium → Responding to the need to replace conventional materials (such as BeCu) as environmental regulations like RoHS and REACH become stricter, while also focusing on reducing health risks for workers. 2. Cost and Process Reduction No heat treatment required → Reduces processing steps, achieving shorter delivery times and cost reductions. It is also suitable for prototype and short delivery projects that avoid complex heat treatment processes. 3. Improved Electrical Properties High conductivity → Suitable for high current applications (EV charging connectors, power tools, industrial equipment) and applications requiring low contact resistance, ensuring stable operation in signal transmission systems (high-speed communication connectors, semiconductor test sockets). 4. Support for Miniaturization and High Density Thin rod compatibility → Fits applications such as fine probe pins, precision contact components, and small terminals for medical devices, aligning well with the increasing density in semiconductor testing jigs and communication equipment. *For more details, please contact us or download the materials.

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Beryllium copper rod

After the statute of limitations hardening treatment, fatigue resistance and conductivity increase! We accept cutting and processing of rods and plates.

We would like to introduce the beryllium copper rods that we handle. Beryllium copper is a material known for its excellent corrosion resistance, high ductility before aging treatment, and increased fatigue resistance and conductivity after aging treatment. Its main applications include aircraft engine parts, propellers, bolts, and cams. 【Overview】 ■ Alloy Number: C1720B (BeCuB) ■ Cu (Copper): - ■ Be (Beryllium): 1.8-2.0 ■ Ni + Co: 0.2 or more ■ Ni + Co + Fe: 0.6 or less ■ Cu + Be + Ni + Co + Fe: 99.5 or more *For more details, please refer to the PDF document or feel free to contact us.

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NGK-made beryllium copper alloy C1720B/P・BeCuB11

We always have beryllium copper alloy (bars and plates) manufactured by NGK Insulators, Ltd. in stock. We can accommodate small lot orders, offer short delivery times, and provide free samples.

Beryllium copper is a high-performance alloy that combines multiple properties such as high strength, high electrical conductivity, excellent formability, fatigue resistance, heat resistance, and corrosion resistance. It is widely adopted as a reliable material in various fields, including automotive, semiconductors, and electronic devices. Our company offers two types of beryllium copper, "high beryllium copper" and "low beryllium copper," based on the difference in beryllium content, and we propose the optimal material for each application. ■ High beryllium copper (C1720): It excels in high strength, fatigue resistance, and formability, making it ideal for applications that require mechanical properties. ■ Low beryllium copper (BeCu11, etc.): It combines high electrical conductivity and high strength, suitable for applications where electrical performance is prioritized. With the realization of a carbon-neutral society and the advancement of digitalization, beryllium copper plays an important role in the development of high-performance and high-reliability products. We also accommodate small lot orders, short delivery times, and provide free samples. Please feel free to contact us.

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Beryllium Copper Alloy C1720 Sheets and Rods | Always in Stock for Quick Delivery

We always have beryllium copper alloy (sheet and rod) in stock. We can accommodate small lots, offer short delivery times, and provide free samples.

Beryllium copper is a high-performance alloy that combines multiple properties such as high strength, high electrical conductivity, excellent formability, fatigue resistance, heat resistance, and corrosion resistance. It is widely used as a reliable material in various fields, including automotive, semiconductors, and electronic devices. Our company offers two types of beryllium copper, "high beryllium copper" and "low beryllium copper," based on the difference in beryllium content, and we propose the most suitable materials for each application. ■ High beryllium copper (C1720): It excels in high strength, fatigue resistance, and formability, making it ideal for applications that require mechanical properties. ■ Low beryllium copper (BeCu11, etc.): It combines high electrical conductivity and high strength, making it suitable for applications where electrical performance is prioritized. With the realization of a carbon-neutral society and the advancement of digitalization, beryllium copper plays an important role in product development that demands high performance and high reliability. We also accommodate small lot sizes, short delivery times, and provide free samples. For more details, please contact us or download the materials.

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[New Product] Low Beryllium Copper Round Bar | Lead-Free Material with High Conductivity and High Strength

Free samples available! Ideal for applications requiring strength, conductivity, and reliability, such as connectors and semiconductor probe pins. No heat treatment required, lead-free.

The new low beryllium copper round bar product "ESHT/EHT" is a material that achieves both high conductivity and high strength. It features no need for heat treatment (already heat-treated), is lead-free compliant, and supports high current applications, making it ideal for applications that require reliability. It is primarily available in thin rod sizes, with some free samples available. 【Example of Use Cases】 1. Compliance with Environmental Regulations and Safety Lead-free and low beryllium → Responding to the need to replace conventional materials (such as BeCu) as environmental regulations like RoHS and REACH become stricter. 2. Cost and Process Reduction No heat treatment required → Reduces processing steps, achieving shorter delivery times and cost reductions. It is also suitable for prototype and short delivery projects that avoid complex heat treatment processes. 3. Improved Electrical Properties High conductivity → Suitable for high current applications (semiconductor testing equipment, EV charging connectors, power tools, industrial equipment). Ensures stable operation in signal transmission systems (high-speed communication connectors, semiconductor test sockets). 4. Support for Miniaturization and High Density Thin rod compatibility → For fine probe pins, precision contact components, and small terminals for medical devices. Fits well with semiconductor testing fixtures and communication equipment that are advancing towards higher density. *For more details, please contact us or download the materials.

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Selling small quantities of bronze and beryllium copper.

From various everyday goods to the semiconductor and aerospace industries - copper alloys supporting convenient solutions in our daily lives.

Phosphor bronze and beryllium copper are generally used as high-strength and high-spring materials in electronic components and mechanical parts among copper alloys, and many of the users are likely to be involved in machining. Our company has a proven track record in sales for various applications, including musical instruments, test pieces, daily products, models, and more, ranging from small quantity sales to mass production. In particular, we can assist with issues such as: - Inability to obtain materials in time - Difficulty in small quantity sales - Lack of mill certificates - No shipping options to remote areas - Uncertainty in arranging environmental documentation - Mistakes in arrangements by the purchasing department There are various reasons and circumstances that may cause difficulties, but in such cases, please feel free to contact us. Additionally, based on our long-standing sales experience, we may be able to obtain products that are not widely available in the market. We have phosphor bronze and beryllium copper in stock in round bars and standard-sized plates.

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