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Bronze round bar Product List

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C5441B-H copper alloy round bar easy cutting

C5441B-H copper alloy round bar easy cutting

C3604 bronze precision round bars available in an outer diameter of 2.0mm! We can also accommodate cutting to your specified total length.

This is a free-cutting round bar made of phosphor bronze, available in outer diameters ranging from 2.0mm to 32.0mm. We can also accommodate cutting to your specified total length and the production of non-standard sizes. Please note that cutting to specified sizes may not be possible depending on the total length, so please inquire. 【Example of stock sizes: outer diameter × total length, unit: mm】 ■ 2.0×2000 ■ 2.5×2000 ■ 3.0×2500 ： ■ 32.0×2500 Fujino Metal handles materials such as stainless steel, brass, copper, aluminum, and nickel silver, and offers various shapes including pipes, round bars, wires, square bars, and plates, as well as ball chains. We also support sales from a single piece, cutting, and the issuance of mill sheets. For more details, please visit our website or contact us.

  • Non-ferrous metals
  • alloy
  • Bronze round bar

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Quick-cutting phosphor bronze rod; general phosphor bronze rod

Quick-cutting phosphor bronze rod; general phosphor bronze rod

We offer a variety of alloys by adding tin to copper, which possess spring properties, corrosion resistance, fatigue resistance, and wear resistance!

We would like to introduce the free-cutting phosphor bronze rods and general phosphor bronze rods that we handle. Phosphor bronze is an alloy made by adding tin to copper, and it possesses spring properties, corrosion resistance, fatigue resistance, and wear resistance. Its main applications include rods used in gears, shafts, bearings, bolts, nuts, connectors, and more. Free-cutting phosphor bronze is an improved version of phosphor bronze with enhanced machinability by adding lead (Pb). 【Product Lineup】 ■C5191B(PBB2) ■C5212B(PBB3) ■C5341B(PbPBB1) ■C5441B(PbPBB2) ■FX400B *For more details, please refer to the PDF document or feel free to contact us.

  • Non-ferrous metals
  • Processing Contract
  • Bronze round bar

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[Bronze Production Case] Triangle 'Ringul'

[Bronze Production Case] Triangle 'Ringul'

With a soft sound quality, it particularly resonates with a long aftersound! Examples of instrument production with antibacterial effects.

Here is a case study of the antibacterial bronze triangle "Ringuru" that we produced. With a diameter of 10mm and a side length of 180mm, we used C5191B-H as the material. The material itself has antibacterial properties, making it suitable as a shared instrument, and it features a soft sound quality, particularly characterized by a long and resonant sustain. 【Features】 ■ A triangle reborn with the "high elasticity" of bronze ■ The material itself has antibacterial properties ■ Well-suited as a shared instrument ■ Soft sound quality, particularly resonant with a long sustain *For more details, please refer to the PDF document or feel free to contact us.

  • Non-ferrous metals
  • Processing Contract
  • Bronze round bar

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Improved machinability and reliability of connectors with free-cutting phosphor bronze for electronic components.

Improved machinability and reliability of connectors with free-cutting phosphor bronze for electronic components.

Improve the quality and processing lead time of connectors with quick-cutting brass C5441 and C5341!

In the electronics industry, connectors are crucial components that influence the performance and reliability of products. Connectors require high conductivity, mechanical strength, and wear resistance. Inappropriate material selection can lead to poor contact and damage, potentially compromising the overall reliability of the product. The free-cutting phosphor bronze manufactured by Fujii Seisakusho, a domestic company, addresses these challenges and contributes to the improvement of connector quality. 【Target Audience】 - Electronics manufacturers - Connector manufacturers - Manufacturers of various electronic components 【Benefits of Implementation】 - Improved durability and machinability of connectors - Enhanced product reliability - Shortened delivery times due to improved machinability Shinwa Shoji has a large stock of various phosphor bronzes. If you need to meet a deadline, want to use a small amount for prototyping, or wish to arrange for a substitute for defective products, please let us know, and we will prepare it for you. We can also sell cut-to-length pieces as needed, so please feel free to reach out to us.

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  • Non-ferrous metals
  • Other metal materials
  • socket
  • Bronze round bar

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Aerospace Bronze Rods and Various Plates

Aerospace Bronze Rods and Various Plates

High strength and wear resistance! A large stock of phosphor bronze rods ideal for aerospace applications.

In the aerospace industry, high safety and reliability are required, and components must possess excellent strength, wear resistance, and fatigue resistance. Bushings play a crucial role in reducing friction in moving parts and preventing wear. Phosphor bronze has excellent properties that meet these demands, making it ideal for aerospace applications. Our free-cutting phosphor bronze rods and general phosphor bronze rods are available in a wide range of sizes and abundant stock to meet our customers' needs. 【Application Scenarios】 - Aircraft engine components - Aircraft landing gear - Aircraft control systems 【Benefits of Implementation】 - Increased longevity of components due to high strength and wear resistance - Improved efficiency through reduced friction resistance - Stable performance maintenance under harsh environmental conditions

  • Non-ferrous metals
  • Processing Contract
  • Bronze round bar

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Cutting sales of phosphor bronze, nickel silver, and beryllium copper for semiconductor manufacturing.

Cutting sales of phosphor bronze, nickel silver, and beryllium copper for semiconductor manufacturing.

The optimal material for semiconductor manufacturing fixtures, in the necessary quantity, with a short delivery time.

In the semiconductor manufacturing industry, the precision and durability of jigs significantly affect product quality. In particular, appropriate material selection is essential for jigs that require high-precision positioning or must withstand thermal loads. Low-quality materials can adversely impact the manufacturing process, potentially leading to reduced yield and product defects. Our products offer materials such as phosphor bronze, nickel silver, and beryllium copper, which possess high strength and wear resistance, contributing to the performance improvement of jigs in semiconductor manufacturing. 【Application Scenarios】 - High-precision positioning jigs - Jigs with high thermal loads - Jigs for microfabrication 【Benefits of Implementation】 - Delivery of the necessary products in the required quantities - Immediate availability of environmental materials and mill sheets (strength of direct delivery wholesalers) - Extended lifespan of jigs - Stabilization of the manufacturing process - Improvement of product quality

  • Other machine elements
  • Non-ferrous metals
  • alloy
  • Bronze round bar

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Electronics-grade free-cutting phosphor bronze round bars and general phosphor bronze round bars.

Electronics-grade free-cutting phosphor bronze round bars and general phosphor bronze round bars.

A large stock of phosphor bronze round bars ideal for connectors and electrical contacts!

In the electronics industry, connectors, which are electrical contacts, are crucial components that influence the reliability of products. In particular, high connectivity and durability are required, and it is essential to demonstrate stable performance even in harsh environments. The materials for connectors must not only be reliable but also possess high strength, springiness, corrosion resistance, fatigue resistance, and wear resistance. Phosphor bronze has a proven track record due to its excellent workability. The free-cutting phosphor bronze rods and general phosphor bronze rods we offer are optimal materials that meet these demands. (Representative examples: C5191, C5212, C5341, C5441, C5099) 【Application Scenarios】 - Manufacturing of electronic devices - Improvement of workability for precision instruments - Manufacturing of connectors and precision parts for communication equipment 【Benefits of Implementation】 - Enables the provision of various types of phosphor bronze (from free-cutting materials to high-spring materials) - Improved durability of connectors - Enhanced reliability of products

  • Non-ferrous metals
  • Processing Contract
  • Bronze round bar

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Overview of bronze and applicable industries.

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.

  • alloy
  • Non-ferrous metals
  • Coaxial Connectors
  • Bronze round bar

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[New Product] Lead-Free Free-Cutting Phosphor Bronze KFX41 (C5099)

[New Product] Lead-Free Free-Cutting Phosphor Bronze KFX41 (C5099)

Lead-free bronze round bars are in stock in various sizes from domestic materials (Fujii Manufacturing Co., Ltd.)!

The newly developed "lead-free free-cutting phosphor bronze" maintains the mechanical properties and machinability of free-cutting phosphor bronze while incorporating elements that have no environmental impact, achieving a fully RoHS-compliant free-cutting phosphor bronze. Traditionally, a small amount of lead was added to copper alloys to enhance machinability, but since lead is a harmful substance to the human body, its use has been restricted by regulations such as the recent RoHS directive. It has been registered in JIS as of 2025 (C5099). We appreciate your consideration of this lead-free free-cutting phosphor bronze as an alternative in light of future environmental regulations. 【Features】 ■ Achieves a fully RoHS-compliant free-cutting phosphor bronze by adding elements that have no environmental impact while maintaining the mechanical properties and machinability of free-cutting phosphor bronze. *For more details, please download the PDF or feel free to contact us.

  • alloy
  • Non-ferrous metals
  • Other metal materials
  • Bronze round bar

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Cutting sales of bronze, nickel silver, and beryllium copper for jewelry.

Cutting sales of bronze, nickel silver, and beryllium copper for jewelry.

Materials for decorative items available in required quantities and with short delivery times. Cutting sales starting from 3mm.

In the jewelry industry, the diversification of designs has led to a demand for various metal materials. Particularly in the prototyping and small-scale production of decorative items, it is important to procure the necessary materials in the required quantities. Additionally, high workability is also sought after, and there may be demands for short delivery times. Our products are sold in cut lengths starting from a minimum of 3mm in phosphor bronze, nickel silver, and beryllium copper to meet our customers' needs. 【Usage Scenarios】 - Accessory production - Engraving - Jewelry design 【Benefits of Implementation】 - Ability to purchase only the necessary materials in required amounts - Short delivery times - Support with a rich inventory of various sizes

  • Other machine elements
  • Non-ferrous metals
  • alloy
  • Bronze round bar

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