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Copper alloy round bar Product List

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ECO Series <Silver Copper Original Series>

ECO Series <Silver Copper Original Series>

Providing alternative products from various manufacturers that consider the environment! Introducing products that comply with environmental pollution regulations.

White copper is working to reduce the use of environmental pollutants from the perspective of ESG/SDGs. The "ECO Series" is based on the conditions that it is made from materials that comply with restrictions on the use of specific harmful substances from the perspective of human health and environmental protection, and that it is made from materials and methods that reduce carbon dioxide emissions for the protection of the global environment. We comply with regulations such as the European Union (EU) Restriction of Hazardous Substances (RoHS) directive and provide alternative products from various manufacturers that are environmentally friendly. 【Product Lineup (Partial)】 ■ Eco Brass Round Bar ■ BZ5A (Cadmium-free, Lead-free) Free-Cutting Round Bar ■ Rose Bronze Round Bar / Round Tube ■ Lead-free Bronze Round Bar / Round Tube ■ Corrosion Hard Cutting Plate / Round Bar *For more details, please refer to the PDF materials or feel free to contact us.

  • alloy
  • Copper alloy round bar

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We will sell and ship cuttings of bronze, nickel silver, and beryllium copper.

We will sell and ship cuttings of bronze, nickel silver, and beryllium copper.

Selling the desired materials in the desired quantities. Shortest delivery time and small sales available with band saw cutting. Available from 3mm.

Phosphor bronze, nickel silver, and beryllium copper are available in standard lengths, mostly 2000mm or 2500mm. However, many customers prefer to purchase cut pieces due to prototyping, the machines used, and transportation considerations, especially for free-cutting materials, where most thicker items are sold as cut pieces. Shinwa Trading conducts processing and sales through band saw cutting, providing cutting and delivery with the shortest lead time. In recent years, the miniaturization of electronic and electrical components has led to a demand for lighter, thinner, and smaller materials. Particularly, the prices of copper alloys have risen, and there is a desire to purchase only the necessary materials in the required amounts for product prototyping, which often requires advanced processing. Sales are available from a minimum length of 3mm (or 8mm depending on the diameter). We can also accommodate small quantities of various types. We can provide various mill sheets and environmental materials for our products. Phosphor bronze (C5191/C5212) Free-cutting phosphor bronze (C5341/C5441) Nickel silver (C7521) Free-cutting nickel silver (C7941) Beryllium copper (25 alloy) We also offer cut sales of some thick phosphor bronze plates and beryllium copper thick plates and blocks. We appreciate your consideration of these as well.

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

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Overview of Beryllium Copper and Applicable Industries

Overview of Beryllium Copper and Applicable Industries

I will explain the characteristics and suitable applications of beryllium copper.

Beryllium copper is a copper alloy that contains 0.5 to 3% beryllium added to copper, and its greatest feature is that it possesses "strength comparable to steel (special steel) while being copper." 1. Excellent Features High Strength: The highest level among copper alloys (equivalent to special steel). High Electrical and Thermal Conductivity: Moderate conductivity and heat dissipation efficiency 3 to 7 times that of steel. Non-Magnetic: Does not respond to magnetic forces (ideal for precision instruments in MRI and aerospace industries). Non-Combustible: Does not produce sparks even when subjected to impact (explosion prevention). 2. Benefits of Introduction Miniaturization and Longevity: Possesses strong spring properties and strength compared to other copper alloys, allowing for smaller and more durable components. Increased Productivity: Accelerates mold cooling and shortens molding cycles. High Reliability: Stable even in harsh environments such as seawater and strong magnetic fields. 3. Typical Applications Electronic Devices: Connectors for smartphones, automobiles, and electronic devices. Precision Molds: Cooling inserts for plastic molding. Safety Tools: Explosion-proof tools (wrenches, hammers) for environments where sparks are undesirable. Large Infrastructure: Landing gear bushings for aircraft, submarine cables. The primary applications are in semiconductors, automobiles, and aircraft, where high reliability is required.

  • Non-ferrous metals
  • Plastic Mould
  • Processing Jig
  • Copper alloy round bar

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HA Cadmireless

HA Cadmireless

Recommended for high-precision machining!

This product is an original item made of white copper. It is a material that has undergone stress relief treatment by "annealing" the cadmium-free round bar, reducing processing distortion. *For more details, please refer to the PDF document or feel free to contact us.

  • Non-ferrous metals
  • Copper alloy round bar

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Case Study: Round Bar [Aluminum Bronze / Lead Bronze Casting]

Case Study: Round Bar [Aluminum Bronze / Lead Bronze Casting]

Unique know-how! We can accommodate a wide range from prototypes to small lots and mass production.

Here are examples of the production of "round bars" using aluminum bronze/lead bronze castings as materials. 【Production Examples】 ■φ85×300L, 13kg, two types of aluminum bronze (ALBC2) ■80×300L, 15kg, LBC4 ■φ50×300L, 150L, 100L, CAC604 *For more details, please refer to the PDF document or feel free to contact us.

  • Contract manufacturing
  • Copper alloy round bar

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Overview of Nickel Silver and Its Adaptation Industries

Overview of Nickel Silver and Its Adaptation Industries

Characteristics of white metal and future expansion of its applications.

Nickel silver is a silver-white alloy composed of copper, nickel, and zinc. Although it contains no silver at all, it is often referred to as "German silver" or "nickel silver" due to its beautiful luster. Nickel silver is primarily valued for its aesthetic appeal, good workability typical of copper alloys, high corrosion resistance, and the unique strength and springiness of the alloy. Generally, it is used in items such as tableware (cutlery), musical instruments, fishing gear, and model parts due to its color, workability, and corrosion resistance. Nickel silver is easier to work with than stainless steel and is less expensive than silver. It has the potential to be used more than stainless steel in decorative items (accessories) and models in the future. Additionally, in recent years, as the prices of precious metals like gold and silver have soared, nickel silver has been chosen as an alternative material for decorative items. When precision machining is required, there is also free-cutting nickel silver available, making it a frequently mentioned option as a substitute for silver. Although it is not visible, it is sometimes used in highly corrosive environments (such as underwater or coastal areas) and in factories as spring materials or structural components. Among copper alloys, it has excellent salt resistance and is relatively durable, making it suitable for use in places where contacts or plating are not applied.

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

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Quickly peel the white round stick (C7941)

Quickly peel the white round stick (C7941)

Can be used for musical instruments, ballpoint pens, glasses parts, model parts, fishing gear, and more!

"Quick-cutting brass" is a type of brass that improves machinability by adding nickel and zinc to copper, along with a small amount of lead. "C7941" significantly enhances machinability compared to conventional brass due to the slight addition of lead. It possesses excellent corrosion resistance and machinability, as well as the beauty of its silver appearance and resistance to discoloration. 【Features】 ■ "C7941" significantly improves machinability compared to conventional brass due to the slight addition of lead. ■ It has excellent corrosion resistance and machinability, along with the beauty of its silver appearance and resistance to discoloration. *For more details, please download the PDF or feel free to contact us.

  • alloy
  • Non-ferrous metals
  • Copper alloy round bar

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Selling small quantities of bronze and beryllium copper.

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.

  • Non-ferrous metals
  • alloy
  • Other electronic parts
  • Copper alloy round bar

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We have a wide stock of general brass and easy-cut brass round bars. We can sell them cut from just one piece!

We have a wide stock of general brass and easy-cut brass round bars. We can sell them cut from just one piece!

Nickel silver (yohaku) is used in watches, glasses, electronic materials, models, musical instruments, fishing gear, and more. A copper alloy with a beautiful luster, it has a wide range of applications and functionality!

Nickel silver is an alloy made by adding nickel and zinc to copper. It has a beautiful silver luster and is a type of copper alloy with high corrosion resistance and fatigue resistance, making it difficult to discolor in air and seawater. Lead-added free-cutting nickel silver is rich in machinability and is easy to process even with general-purpose lathes, making it suitable for various applications. We have a large stock of nickel silver and free-cutting nickel silver round bars, with short delivery times and immediate availability. Our company is the only one in the country that stocks a wide range of sizes. We perform cutting processes in-house and can sell even one piece. We also accommodate prototypes and small-scale processing. Applications and Case Studies: Eyeglasses, musical instruments, fishing gear, decorative items, model trains, keys, automotive parts, marine components, etc. Due to the wide range of applications, we receive inquiries from various users. We also sell to general customers, individuals processing items, and hobbyists.

  • Non-ferrous metals
  • Other food machinery
  • alloy
  • Copper alloy round bar

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Sales of cutting materials for electronic devices: phosphor bronze, nickel silver, and beryllium copper.

Sales of cutting materials for electronic devices: phosphor bronze, nickel silver, and beryllium copper.

The optimal material for electronic device terminals, in the necessary quantity, with a short delivery time.

In the electronics industry, there is a trend towards miniaturization and high performance of terminals, leading to a demand for reliable materials. Particularly for terminals that are subjected to repeated use or high-temperature environments, materials with excellent wear resistance, conductivity, and heat resistance are essential. Inappropriate material selection can lead to contact failures and reduced product lifespan. The products we offer address these challenges and support high-quality terminals and manufacturing component materials. 【Application Scenarios】 - Manufacturing of electronic device terminals - Connector components - Switch components - Relay components 【Benefits of Implementation】 - Short delivery times (immediate delivery if in stock) - Manufacturing of high-quality terminals - Improved product reliability - Cost reduction - Product traceability (direct delivery from manufacturers) and provision of various environmental documentation.

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

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【時計向け】リン青銅・洋白・ベリリウム銅の切断販売

【時計向け】リン青銅・洋白・ベリリウム銅の切断販売

時計のケース・バネに最適な素材を、必要な量だけ、短納期で。

時計業界では、精密な部品の製造において、耐久性と精度が求められます。特に、時計の心臓部とも言えるバネには、長期間にわたる正確な動作を保証する材料が不可欠です。材料の品質が低いと、時計の精度が損なわれ、製品の信頼性を大きく低下させる可能性があります。当社では、時計のバネに最適なリン青銅、洋白、ベリリウム銅を提供し、お客様の製品の品質向上に貢献します。またケースにも使われ、洋白やベリリウム銅も使われています。 【活用シーン】 ・時計のバネ製造 ・精密部品の試作 ・少量多品種の部品調達 【導入の効果】 ・高品質なバネ材料の安定供給 ・製品精度の向上 ・短納期対応によるリードタイム短縮

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

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