It has excellent corrosion resistance to seawater.
C4641 is also known as naval brass, which is a type of brass that has a small amount of tin (Sn) added to it. Due to the addition of tin, it has excellent hardness and strength, and its resistance to seawater is higher than that of regular brass. Therefore, it is used in ship parts and similar applications.
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basic information
Alloy Number: C4641 Naval Brass Type 2 Composition: Cu: 59.0 – 62.0 Pb: 0.50 or less Al: - Mn: - Ni: - Fe: 0.20 or less Sn: 0.50 – 1.0 As: - Zn: remainder Standard Reference Values: Quality Type Hot Worked Cold Worked Tensile Strength 447 N/mm² 482 N/mm² Elongation 43% 34% Hardness 124 HV(5) 155 HV(5) Conductivity 25.3 IACS%
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Applications/Examples of results
Marine equipment Parts that require seawater resistance
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Company information
We are a manufacturer of brass rods and aluminum extrusions located in Kameoka City, Kyoto Prefecture. We have sales offices in Osaka and Tokyo, and we ship nationwide, primarily focusing on the Kansai and Kanto regions. We handle everything from cutting, drilling, and machining of materials for extrusions and drawn products. We manufacture in various cross-sectional shapes tailored to our customers' needs. Our brass rods are available from billet casting to hot extrusion processing, cold drawing, and parts machining. We also accommodate small quantities of aluminum extrusions. We have many general-purpose molds that do not incur extrusion mold technology fees. - For brass, we primarily stock C3604 flat bars (FB, flat bars). We offer various tempers, including C3604BE-F and C3604BD-F, as well as annealed options. - We specialize in producing shapes that are close to finished products. Please consider cost reduction. - For aluminum profiles, we have extrusion molds for materials such as A6063 in square, flat bars (FB, flat bars), angles, channels, round pipes, and square pipes (square tubes), as well as various sizes of extrusion dies for material A1070 flat bars, allowing us to produce with just material procurement. For the use of molds with other materials such as A6005C, please inquire individually.