Lead-free copper alloy "Eco Brass" - Responding to environmental regulations!
Lead-free and cadmium-free copper alloys that comply with regulations on the content of lead and cadmium! They can also serve as an alternative to stainless steel, utilizing their second characteristic of strength.
"Ecobras" is a lead-free copper alloy that does not use lead. It is a groundbreaking high-performance material that serves as an alternative to conventional lead-containing free-cutting brass, while simultaneously solving issues related to stress corrosion cracking and dezincification corrosion. ● Excellent machinability In conventional free-cutting brass (C3604), the lead in the metal structure improves machinability. In Ecobras, the addition of silicon forms κ and γ layers, which fragment the chips and enhance machinability. ● High strength comparable to stainless steel The tensile strength of Ecobras is 600 N/mm². It is a high-strength material comparable to stainless steel SUS304, with a strength 1.4 times greater than conventional brass materials. This allows for cost reductions through thinner and more compact products. ● Solves dezincification corrosion issues Ecobras has a low zinc content in the alloy and does not contain the electrochemically noble β phase in the matrix, preventing dezincification corrosion. ● Solves stress corrosion cracking issues The reduction of zinc content, along with the addition of silicon, effectively addresses the problem of stress corrosion cracking. ● Excellent hot forgeability (equivalent to forging brass C3771) ● Superior solder wetting, brazing, and plating properties.
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basic information
It can be used as an alternative to free-cutting brass, forged brass, and bronze casting materials for applications related to water supply and hot water supply, as well as water supply equipment. Additionally, it takes advantage of high strength and high wear resistance, meets lead regulations, and can also be used for automotive-related parts. For more details, please download the catalog or feel free to contact us!
Price information
Prices may fluctuate due to quantity and copper market conditions. Please feel free to contact us.
Delivery Time
※Delivery times may vary depending on quantity and size, so please feel free to contact us.
Applications/Examples of results
Valves, water meters, and other plumbing fixtures (compliance with Japanese Waterworks Association standards, American standards, etc.) Alternatives for high-strength, high-wear-resistant parts made of stainless steel, high-strength brass, and phosphor bronze Alternatives to brass castings for complex shapes (accessories, monuments, etc.) utilizing good flow characteristics of molten metal
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Company information
<Metal Materials Trading Division> With a rich inventory and four slitting facilities, we supply from the Higashi-Osaka Coil Center to the entire country. We specialize in the sales of copper alloy materials and non-ferrous metal materials. We are also actively proposing the next-generation copper-aluminum clad material "CCAC" in collaboration with Applied Composite Material Corp. <Metal Processing Division> We excel in processing small quantities of various metal pipes. Our diverse technologies include coil winding, R-bending, various bending processes, and welding. We handle everything from one-off parts used in heat exchanger components and machinery to larger quantities for automotive, consumer, and housing equipment. In the world of bending processing, where small lots are common, the presence or absence of molds becomes quite important. We mix our own molds and equipment with those from partner factories to provide tailored proposals. Additionally, our NC automatic lathe precision cutting processing leverages the procurement advantages unique to Tatsumiya, which has a metal materials trading division, enhancing customer satisfaction through technical expertise, procurement capabilities, and cost efficiency. With over 90 years of establishment as a processing trading company, we view the 100-year mark as a milestone and will continue to build a great company in the future.