HPB59-1 lead brass is an important copper alloy with excellent machinability and a variety of applications. It is mainly composed of elements such as copper (Cu), zinc (Zn) and lead (Pb), and has unique physical and chemical properties that make it suitable for many industrial fields. Here are some key facts about HPB59-1 lead brass:
Role of lead: HPB59-1 lead brass has a higher lead content of about 295%。Lead is hardly soluble in copper-zinc alloys, but is present at the boundaries surrounding the crystal. This distribution makes lead a good lubricant and anti-friction agent, significantly improving the machinability of the alloy.
Machinability: HPB59-1 lead brass is known for its excellent machinability, usually known for its 5792% copper, 295% lead, 0The chemical composition of 05% iron and the remaining zinc is standard. This alloy produces brittle chips during the cutting process, keeping the surface of the workpiece smooth.
Effect of additives: The addition of trace amounts of magnesium (mg), calcium (Ca), sodium (Na) and rare earth elements can further improve the machinability of HPB59-1 lead brass, making it more suitable for specific processes and applications.
The chemical composition and mechanical properties of this alloy make it excellent in a wide variety of applications. Its high tensile strength and elongation make it ideal for manufacturing a wide range of parts and workpieces, while having the right chemistry to meet specific engineering needs.
Duplex and single-phase alloys: HPB59-1 lead brass is a duplex (deca) alloy that is suitable for hot working, while single-phase chrome brass can usually only be cold-rolled or hot-extruded.
Fine grain with hot rolling temperature: by adding 0005% rare earth elements (RE) can refine the grains of HPB59-1 lead brass, make the lead distribution more uniform, and expand the upper limit of hot rolling temperature from 650 to 800. In addition, it contains 0HPB63-3 brass with 4% aluminum (AL) can be hot-rolled at 720 750, and a small amount of aluminum can also increase the hot-working temperature range of HPB59-1 alloy semi-continuous casting ingots and improve their surface quality.
In summary, HPB59-1 lead brass is known for its superior machinability and a variety of improvement methods, making it suitable for a variety of industrial applications, including mechanical engineering and material processing. The unique properties and chemical composition of this alloy make it one of the first choices for engineers and manufacturers to manufacture high-quality parts and workpieces.
HPB59-1 Lead Brass Chemical Composition: Here are the details about the alloy:
Copper (Cu): 570% to 600%
Nickel (Ni): No more than 10%
Iron (Fe): no more than 05%
Lead (pb): 08% to 19%
Antimony (sb): less than 001%
Zinc (zn): Margin.
Impurities: no more than 10%
Mechanical properties(Longitudinal tensile properties at room temperature of the bar):
Tensile strength (b mpa): greater than or equal to 420
Elongation (δ10 %): greater than or equal to 10
Elongation (δ5%): greater than or equal to 12