Jマテ.カッパープロダクツ List of Products and Services

Our company, which manufactures metal materials from material procurement to consistent production, is currently facing the issue of the 'RoHS Directive.' We are offering a condensed booklet that summarizes the current situation and industry knowledge regarding this topic, titled 'Why is Lead-Free Necessary? RoHS-Compliant Materials Basic Data Collection - Technical Application Edition,' for free. This time, we have reflected the voices often heard from the production technology and development/design departments, supervised by our technical department, including: ● Comparison table of 'Characteristics' between brass-based materials and bronze-based materials ● Comparison table of 'Components' between brass-based materials and bronze-based materials These two tables are included! They are designed to allow you to compare the components and characteristics of the materials you are currently using, so please make good use of them! Leveraging our strength of consistent production from raw material procurement to processing, we are currently selling various lead-free materials and the lead-free brass material 'SI-BRASS' as new products! If you are interested in these products, please feel free to contact us! [Contents Included] ■ What is the RoHS Directive? ■ Regulated substances under the RoHS2 Directive ■ Why is lead-free necessary? ■ What will happen to the RoHS Directive in the future? ■ Introduction of copper alloy lead-free materials *For more details, please refer to the PDF document or feel free to contact us.

• alloy
• Non-ferrous metals
• Other metal materials

Our company, which manufactures metal materials from material procurement to consistent production, is currently facing the issue of the "RoHS Directive." We are offering a free booklet titled "What You Can No Longer Ask! Why is Lead-Free Necessary? Basic Edition of the RoHS Directive," which condenses the current situation and industry knowledge. What exactly is the RoHS Directive...? When is the deadline for the RoHS Directive...? I can't even explain what the problem is... I'm worried about the future of the RoHS Directive... This booklet is structured to help resolve such questions. Leveraging our strength in consistent production from material procurement to processing, we are currently selling a new lead-free material, "SI-BRASS"! If you are interested in this product, please feel free to contact us! [Contents] ■ What is the RoHS Directive? ■ Regulated substances under the RoHS2 Directive ■ Why is lead-free necessary? ■ What will happen to the RoHS Directive in the future? ■ Introduction of lead-free copper alloy material! "SI-BRASS" *For more details, please refer to the PDF document or feel free to contact us.

• alloy
• Other metal materials
• Non-ferrous metals

Si-BRASS silicon brass is a lead-free alloy with excellent machinability and corrosion resistance. Its superior forgeability and machinability result in good processability and high strength with excellent mechanical properties. This document includes research data on features and chemical composition, contributing to cost reduction challenges in material research and development. 【Have you addressed lead-free compliance?】 The deadline for lead-free and RoHS exemption items is July 2021. As for alloy components, lead content up to 0.35 wt% in steel, up to 0.4 wt% in aluminum, and up to 4 wt% in copper alloys is allowed. Future extensions are uncertain, and if not applicable, there may be regulations for lead content below 0.1%. 【Features】 ■ Complies with lead-free, RoHS directive, ELV directive, and Reach regulations, and is suitable for drinking water applications. ■ Usable with hot forging properties equivalent to C3771. ■ Copper products can achieve high strength comparable to SUS304, allowing for miniaturization and weight reduction of parts. ■ Capable of solving dezincification corrosion issues and stress corrosion cracking problems. ■ A globally registered material that meets world standards. ■ Thermal conductivity and electrical conductivity are one-third of those of brass and high-strength brass. *For more details, please contact us!

• Casting Machine
• alloy
• Other metal materials

This document provides information about the "features" and "technical capabilities" of J Mate Copper Products. Our company handles continuous cast products, centrifugal cast products, raw materials, and high-strength brass extrusions made from copper alloys (bronze and brass), and we conduct integrated production from material procurement to processing and delivery at our own factory. Therefore, we can help reduce labor hours, cut costs, and shorten delivery times. If you have concerns such as "I want to produce at a specified material while keeping costs down" or "I want to ensure quality while speeding up delivery," please leave it to us. We can accommodate sizes from Φ10 to Φ1200 using various manufacturing methods, and we can also handle plates and hexagonal materials. In addition to JIS copper alloy casting materials and continuous casting materials, we have a track record of custom production based on overseas standards and specified components, so please inquire about special materials. [Contents] 1. What is J Mate Copper Products Co., Ltd.? 2. Features of J Mate Copper Products Co., Ltd. 3. Technical capabilities of J Mate Copper Products Co., Ltd. - Continuous casting - Centrifugal casting - Extrusion - Other processing *For more details, please refer to the PDF document or feel free to contact us.

• Casting Machine
• Contract manufacturing
• Other contract services

At J Mate Copper Products, we conduct "integrated production" in our own factory, from material procurement to processing and delivery, which allows us to reduce labor hours, cut costs, and shorten delivery times. We have a wealth of manufacturing experience with JIS copper alloy cast materials, continuous casting materials, and international standards products (such as ASTM and DIN). For more details, please contact us. 【Points】 - Direct purchase from domestic and international scrap dealers without going through trading companies - We own many NC lathes and machining centers, enabling us to handle a variety of processed products *For more details, please refer to the PDF materials or feel free to contact us.

• Contract manufacturing
• Casting Machine

At J-Mate Copper Products, we process continuously cast products, centrifugal cast products, and extruded materials produced in-house using new NC machining equipment to deliver high-precision industrial machine parts and components related to water supply. We can manufacture according to customer needs and specifications, and we also accommodate small lot production. 【Materials (excerpt)】 ■ Continuously cast products ■ Extruded products ■ Horizontal centrifugal cast products, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Casting Machine
• Contract manufacturing
• Other contract services

Introducing the technology of "centrifugal casting" by J-Mate Copper Products. This method involves pouring molten metal into a rotating mold, utilizing centrifugal force for casting. Additionally, due to cooling from the mold, solidification occurs towards the inner diameter, allowing defects to concentrate at the inner diameter, resulting in high-quality castings. 【Available Sizes】 Φ100 to Φ1200 【Features】 ■ Capable of supplying high-quality materials with few defects ■ Small lot production is possible ■ Large sizes can be accommodated *For more details, please refer to the PDF document or feel free to contact us.

• Casting Machine
• Contract manufacturing
• Other contract services

Our company manufactures and sells high-quality, low-porosity continuous cast products made of bronze and brass by melting and casting collected raw materials. This technology is suitable for mass production and cost reduction due to its high productivity, and it is characterized by high quality and stability. 【Available Sizes】 ■Φ10 to Φ300 【Product Shapes】 ■Round bars, round tubes, plates, squares, hexagons, materials for automatic machines, polished 【Features】 ■Suitable for mass production ■Cost-effective due to high productivity ■High quality and stability *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Casting Machine

Our company sells high-quality "extruded products" made from billets manufactured through our own continuous casting process. Using advanced component analysis equipment and various measuring instruments, we deliver industrial machine parts and materials for forging with more reliable quality. 【Available Sizes】 ■Φ15 to Φ120 【Features】 ■Reduced machining allowance, enabling shorter processing time and reduced load ■Compared to continuous casting, the refinement of the structure allows for the supply of high-quality materials with fewer defects ■Capability to handle small quantities and multiple product types *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Extrusion Machine

This list introduces the copper alloy material standards JIS. It includes "JIS base metal," "JIS castings," "JIS continuous cast products," and "ASTM/U.S.A," among others. It handles items such as "brass alloy base metal for castings," "dezincification-resistant brass castings," and "bronze continuous castings." 【Contents (excerpt)】 ■JIS base metal ■JIS castings ■JIS continuous cast products ■ASTM/U.S.A ■EN (BS, DIN), etc. *For more details, please refer to the PDF document or feel free to contact us.

• alloy
• Other metal materials

This catalog features a wide range of standard size products from the brand "Bronz1" of J Mate. Copper Products Co., Ltd. We introduce standard materials for bronze automatic machines, including round bars and round pipes, as well as lead-free bronze standard materials related to water supply, such as hexagonal bars. Please also take a look at the "Bronz1" brand standard size table. [Contents] ■ Standard materials for bronze automatic machines ■ Lead-free bronze continuous cast products ■ Hexagonal/Octagonal bronze continuous cast products * You can also view our e-commerce site from the link below. * For more details, please download the PDF or contact us.

• alloy
• Other metal materials

Our company is capable of a wide range of manufacturing, from JIS standard copper alloys such as CAC406C to various lead-free bronze materials and high-strength, wear-resistant brass materials. Additionally, continuous cast products can be produced with an outer diameter ranging from 10mm to 300mm, and centrifugal casting can accommodate sizes from 100mm to 1200mm. We select the optimal manufacturing method according to the customer's requirements regarding application, size, volume, material, and metallic properties. Using advanced component analysis equipment and various measuring instruments, we deliver high-quality materials for marine parts, industrial machine parts, and more. *You can also view our e-commerce site from the link below. *For more details, please refer to the PDF document or feel free to contact us.

• Casting Machine
• Contract manufacturing

At our company, we support the procurement of high-quality and diverse materials while expanding our manufacturing network for each material in response to customer requests. "Centrifugal cast products" are produced by pouring molten metal into a rotating mold, utilizing centrifugal force for casting. Additionally, as the metal cools from the mold, solidification occurs towards the inner diameter, resulting in defects concentrating at the inner diameter and producing high-quality castings. We also respond to requests for materials for special applications, delivery times, and quantities through detailed consulting. Please feel free to contact us regarding copper alloys. 【Features】 ■ Available sizes: φ100 to φ1200 ■ Main products handled: small inner diameter centrifugal cast products, rough processing of centrifugal castings (outer diameter primary) *You can also view our e-commerce site from the link below. *For more details, please refer to the PDF materials or feel free to contact us.

• Casting Machine
• Contract manufacturing

We support the procurement of high-quality and diverse materials by expanding our manufacturing network for each material while responding to customer requests. "Extruded products" are completed by extruding billets produced through continuous casting and semi-continuous casting. Using advanced component analysis equipment and various measuring instruments, we deliver industrial machine parts and materials for forging with more reliable quality. 【Features】 ■ Available sizes: φ15 to φ120 ■ Main products: Extruded products (pipes/dissimilar diameters) *You can also view our e-commerce site from the link below. *For more details, please refer to the PDF document or feel free to contact us.

• Casting Machine
• Contract manufacturing

We support the procurement of high-quality and diverse materials while responding to our customers' requests by expanding our manufacturing network for each material. We can manufacture all material standards (JIS standards) for 'raw materials' and also accommodate jumbo blocks and billet shapes. Please feel free to consult us regarding RoHS compliance, lead regulations, and special alloys. 【Features】 ■ All material standards (JIS standards) can be manufactured ■ Main products: standard square bars, ship bottom shapes, jumbo blocks (3t), half square bars, brass billets, standard packaged ingots * You can also view our e-commerce site from the link below. * For more details, please refer to the PDF materials or feel free to contact us.

• Casting Machine
• Contract manufacturing

Our company processes and sells continuous casting products and extruded materials produced in-house using high-performance NC machining, enabling us to deliver high-precision industrial machine parts and water supply-related components. As "industrial machine parts," we manufacture nuts, oil-less bushes, and slide plates tailored to various industries, including parts for forging machines, injection molding machines, die-casting machines, and construction machinery. Additionally, we produce a wide variety of products, including reduction gear parts and worm wheels, and we are open to consultations based on customer specifications for items such as stern tube components. 【Main Products】 ■ Bushings for construction machinery ■ Bushings/nuts for injection molding machines ■ Bushings for hydraulic cylinders ■ Worm wheels ■ Marine-related copper alloy components *You can also view our e-commerce site from the link below. *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Processing Contract

Our company processes and sells continuously cast and extruded materials produced in-house using high-performance NC machining, enabling us to deliver high-precision industrial machine parts and components related to water supply. As components related to water supply, we manufacture products such as water meter upper cases, headers, and octagonal valve sockets. With various processing equipment and measurement instruments, we provide processed products of assured quality. 【Main Products】 ■ Water meter upper cases ■ Header materials ■ Insert metals ■ Parts for resin pipe fittings *You can also view our e-commerce site through the link below. *For more details, please refer to the PDF materials or feel free to contact us.

• Contract manufacturing
• Processing Contract

Our company is engaged in the development of new materials based on extensive knowledge and experience to meet future needs and environmental challenges in the fields of industrial machinery and plumbing components. The "Wear-Resistant Copper Alloy YM-1" has been developed as an original material for industrial machinery. It is composed of a β phase and intermetallic compounds, and is a high-strength wear-resistant material that can be used in high-load areas with excellent wear resistance without the need for heat treatment. 【Development Concept】 ■ Lead-Free - Addressing the environmental impact of harmful substances leaching from waste - Responding to movements to prohibit and reduce the presence of harmful substances due to RoHS and ELV regulations ■ Excellent Wear Resistance - Achieving high hardness and strength in the material, providing good wear characteristics ■ Capable of production through continuous casting *You can also view our e-commerce site from the link below. *For more details, please request materials or view the PDF data from the download.

• alloy
• Contract manufacturing
• Processing Contract

Our company is engaged in the development of new materials based on extensive knowledge and experience to meet future needs and environmental challenges in the fields of industrial machinery and plumbing components. As our original development material for plumbing components, we offer a low-cost lead-free bronze alloy "LF5A" that reduces expensive Sn and Bi while maintaining performance, and a lead-free dezincification-resistant brass alloy "NEXTBRASS" that allows for good recyclability with a mix of multiple elements and achieves excellent dezincification resistance compared to brass. 【Main Applications】 ■ Low-cost lead-free bronze alloy "LF5A" (JIS CAC906) - Valve-related components - Water faucet fittings for water supply and drainage - General piping fittings - General machine parts ■ Lead-free dezincification-resistant brass alloy "NEXTBRASS" (JIS CAC232) - Continuous casting castings - Extruded rods for casting *You can also view our e-commerce site from the link below. *For more details, please refer to the PDF materials or feel free to contact us.

• Contract manufacturing
• Processing Contract

We offer lead-free "environmental materials for plumbing parts." "Biwalite," which is ideal for large water meter bodies through sand casting, does not use expensive and rare chemicals (Bi or Se), resulting in minimal cost increases. Additionally, it has a low occurrence of shrinkage cavities and good fluidity in casting. We also have materials such as "Ecobras," which excels in machinability, and "Cricabronze," which has almost no lead leaching and is suitable for various components of water supply devices and plumbing facilities. 【Features (Biwalite)】 - Does not use expensive and rare chemicals (Bi or Se), resulting in minimal cost increases - Low occurrence of shrinkage cavities and good fluidity in casting - Can accommodate required strength and elongation by adjusting the amount and ratio of chemical components - Easy to cast with good yield - Recyclable and can be remelted *You can also view our e-commerce site from the link below. *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Processing Contract

This is the size chart for standard size products from J Mate. Copper Products Co., Ltd. [Contents] ■ Bronze general standard material [Round bar, Round pipe] CAC406C (BC6C) ■ Tin bronze general standard material [Round bar, Round pipe] CAC502C (PBC2C) ■ Aluminum bronze general standard material [Round bar, Round pipe] CAC702C (AlBC2C) 　　　　　　　　　　　　　　　　　　　　　CAC703C (AlBC3C) * You can also view the e-commerce site from the link below. * For more details, please download the PDF or contact us.

• alloy
• Steel

A direct sales online store for bronze material manufacturers has opened. We offer direct sales of continuous castings of bronze, brass, aluminum bronze, lead bronze, and high-strength brass extrusions. Currently, we are also giving away a comprehensive catalog for free! 【Materials Handled】 CAC406C, CAC502C, CAC702C, CAC703C, CAC403C, CAC603C, CAC304C, and extruded materials of CAC304 in rods, pipes, and plates. 【Features】 - Short delivery times (Orders received by 11:30 AM will be shipped the same day) - Cutting service available (Starting from 20mm) - Wide range of sizes - Quality assurance (Component analysis reports will be issued) *You can also view our e-commerce site from the link below. *For more details, please download the PDF or contact us.

• alloy
• Steel

We would like to introduce our company profile. Our company is headquartered in Joetsu City, Niigata Prefecture, and operates the Ogata Factory, where we handle continuous cast products and centrifugal cast products made of copper alloys (bronze and brass), as well as high-strength brass extrusions. As a responsible player in a circular economy, we contribute to the realization of a sustainable society through the effective use of limited resources. 【Manufactured Products】 ■ Continuous cast products, centrifugal cast products, ingots, and high-strength brass extrusions made of copper alloys (bronze and brass) *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Extrusion Machine
• Casting Machine