C28000 Muntz Metal (60Cu-40Zn Brass)
Chemical Composition of C28000 Brass
The higher zinc content gives Muntz Metal superior strength compared to 70/30 brass while maintaining good formability.
Element | Content (%) |
Copper (Cu) | 59.0 – 63.0 |
Zinc (Zn) | Balance (~37–41) |
Lead (Pb) | ≤ 0.05 |
Iron (Fe) | ≤ 0.10 |
Other Impurities | ≤ 0.50 |
Mechanical Properties of C28000 Brass
Compared with C26000, C28000 has higher strength and wear resistance, but slightly reduced ductility.
Temper | Tensile Strength Rm (MPa) | Yield Strength Minimum Rp₀.₂ (MPa) | Elongation Minimum A₅₀mm (%) | Hardness HV * |
R340 (annealed) | 340 – 420 | ≤ 240* | 33 | 85 – 115 |
R400 | 400 – 480 | ≥ 200* | 15 | 110 – 140 |
R470 | ≥ 470 | ≥ 390* | 6 | ≥ 140 |
Fabrication & Manufacturing of C28000 Brass
Hot Forming: Excellent (commonly forged at 700–900 °C)
Cold Forming: Fair to Good (less ductile than C26000)
Machinability: Fair (~30–35 machinability rating vs free-cutting brass 100)
Joining:
Soldering: Excellent
Brazing: Excellent
Welding: Fair (gas-shielded arc welding possible)
Corrosion Resistance: Excellent in atmospheric and marine environments
👉 Muntz Metal is especially valued for shipbuilding and marine hardware due to its anti-biofouling properties and seawater resistance.
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CONTACT US
Address
B-2007,Chuanmei Building,Taishan Street,Taian City，Shandong, China
Call Us
+86 0538 6368027
Email Address
Sales@tiptopforging.com
Applications of C28000 Muntz Metal
As a professional forging manufacturer in China, Tiptop Forging delivers:High-quality C28000 brass forgings (flanges, fittings, bushings, connectors, custom parts)Precision heat treatment and machining to ensure accuracyReliable corrosion resistance and mechanical strength under strict quality controlCustom solutions for marine, construction, and industrial projects
The Aerospace Industry Is Renowned For Its Pursuit Of Cutting-Edge Technology And Uncompromising Safety Standards. In This Demanding Environment, Forgings Stand Out As Key Elements That Contribute To The Reliability And Performance Of Aircraft.
Forgings Play A Crucial Role In The Mining Industry, Providing Essential Components That Ensure Efficiency, Safety, And Durability In Various Mining Operations.
Oil And Gas Industry Is A Cornerstone Of The Global Energy Supply, Characterized By High Demands For Efficiency, Safety, And Resilience.
With The Development Of The Energy And Electronics Industries, The Demand For Forgings Continues To Increase. Especially In The Field Of Renewable Energy, Such As Wind Power Generation And Nuclear Power Generation, The Application Of Forgings Will Be Further Expanded.
From the enormous torque transmitted by propeller shafts to the constant hydrodynamic forces experienced by rudder systems, every component must meet the highest standards of strength, reliability, and precision. This is where marine forgings come in – providing high-performance forged products designed for durability and to extend the life of your vessel.
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