Manganese brass is a high-performance copper alloy with manganese (Mn) added to ordinary brass (copper-zinc alloy). It has excellent mechanical properties, casting properties, and cutting properties.
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15 Working daysManganese brass is a high-performance copper alloy with manganese (Mn) added to ordinary brass (copper-zinc alloy). It has excellent mechanical properties, casting properties, and cutting properties.
1、Common manganese brass rod grades (classified by standard)
Material Grade | Main Ingredients(%) |
ASTM C86300 (Manganese Aluminum Bronze Rod) |
Mn 2.5-5.0%, Al 7-8.5% |
EN CuZn40Mn1Pb |
Contains a small amount of lead (Pb) |
HMn58-2 |
Cu 57-60%, Mn 1.0-2.0%, Zn balance |
HMn62-3 |
Cu 60-63%, Mn 2.5-3.5%, Zn balance |
HMn55-3-1 |
Cu 53-58%, Mn 3.0-4.0%, Fe 0.5-1.5% |
2、Characteristics of Manganese Brass Rod
Mechanical properties: Tensile strength: ≥500 MPa (much higher than 300 MPa of ordinary brass H62)
Hardness: HB 150-200, which can be further improved by cold working.
Corrosion resistance: Excellent resistance to seawater and weak acid environment.
Processability: Can be cut, forged, and cold drawn, but high manganese grades (such as HMn62-3) require special tools (carbide).
3、Available specifications and standards
Parameter | Common range | Remark |
Diameter/side length | Φ5mm~Φ150mm (round bar) or square/hexagonal bar | Support customized non-standard sizes. |
Length | 1m~6m (straight strip) or rolled stick (can be coiled) | Support customized non-standard sizes. |
Surface state | Wire drawing, polishing, pickling, rough turning | Choose according to the purpose |
4、Typical application scenarios
Hydraulic industry: synchronizer gear rings, thrust bearings, floating bearings
Shipbuilding industry: propeller shafts, seawater pump valves, condenser tubes.
Mechanical engineering: high-load bearings, gears, bushings.
Electrical equipment: conductive and wear-resistant parts (such as switch contacts).
The balance of the three core properties of manganese brass, strength, corrosion resistance and wear resistance, makes it an ideal choice for heavy loads and harsh environments. If you need specific grade recommendations or process parameters, we can further explain the application scenario!