Semih Metals, based in Istanbul, Turkey, stands out as a top manufacturer and supplier of Manganese Bronze Bars and Rods, catering to a diverse array of industrial needs. Manganese bronze is celebrated for its remarkable strength, resistance to corrosion, and long-lasting durability, making it a go-to copper-based alloy for tough mechanical settings. At Semih Metals, they prioritize rigorous quality checks, precise manufacturing processes, and compliance with international standards, ensuring that their Manganese Bronze Bars and Rods are a reliable choice for customers around the globe. With a variety of sizes and specifications on offer, the company provides dependable solutions tailored to the marine, aerospace, and heavy engineering sectors.
The composition of Manganese Bronze Bars and Rods typically includes copper (55–60%), zinc (35–40%), and manganese (up to 4%), along with small amounts of iron, aluminum, and lead to enhance machinability and strength. This blend results in excellent toughness, superior wear resistance, and impressive tensile strength ranging from 500–700 MPa. The alloy also boasts good hardness, usually around 150–200 HB, and exceptional corrosion resistance, especially in marine and industrial environments. Its unique mix of mechanical strength and anti-seizing properties makes it ideal for heavy-load applications that demand reliability and longevity.
| Shape | Round |
| Material Grade | C67000, C67500, or C67600 |
| Material | Manganese Bronze Round Bar |
| Size | 25mm to 500mm |
| Length | 10mm to 6000mm |
| Chemical Composition Limits | ||||||||
| Weight % | Cu | Al | Fe | Mn | Ni | Si | Sn | Zn |
| AMS 4640 | Bal | 9.0-11.0 | 2.0-4.0 | 1.5 | 4.0-5.5 | 0.25 | 0.20 | 0.30 |
| Grade | Alloy | UNS | SAE | CDA | EN |
| C86300 | SAE 430B | C86300 | J461, J462 | 863 | cuzn25al5fe3mn4 |
Select the right manganese bronze bar by considering its strength, corrosion resistance, machinability, and load-bearing capacity. Match these properties to your application's requirements, including environmental conditions and mechanical stresses.
Manganese bronze rods are available in sizes ranging from 1/4" to 8" in diameter. Finishes include mill, polished, ground, and custom, catering to various industrial applications.
Manganese Bronze Bars are available in various configurations, including round bars, hexagonal bars, square bars, rectangular/flat bars, and custom shapes to suit diverse industrial and machining applications.
Manganese Bronze Bars and Rods find extensive use in industries where strength, wear resistance, and corrosion protection are essential. In the marine industry, they are commonly used for propeller shafts, ship fittings, and underwater fasteners. In heavy engineering and construction, you’ll find them in bushings, bearings, gears, and hydraulic components. The aerospace and defense sectors also rely on manganese bronze for high-strength, corrosion-resistant parts. Its durability makes it a great fit for mining, oil and gas, and automotive applications. Thanks to its excellent balance of mechanical performance and environmental resilience, manganese bronze continues to be a favored alloy for demanding engineering tasks.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Semih Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Istanbul, Turkey
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