Brass Sphere

The surface of the Brass Sphere is smooth and presents a golden metallic luster. The shape of the ball is regular, with diameters ranging from 0.3mm to 80mm. It is an alloy composed of copper and zinc. Common types include H62 and H65. The H62 brass ball contains 60.5% - 63.5% copper, while the H65 brass ball contains approximately 65% copper.

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Feature Category	Specific Parameters / Performance	Significance of Application
Density	8.4-8.8g/cm³	It is heavier than plastic balls and glass balls and is suitable for scenarios that require "weight compensation" or "gravity-driven" functions (such as the weight ball for door locks)
Hardness	(HB)60-120	The hardness is moderate, which not only avoids brittle fracture (such as in cast iron balls), but also can withstand certain friction and impact (such as in bearing auxiliary balls)
Corrosion Resistance	Better than pure iron and carbon steel, but inferior to stainless steel.	It is not prone to rust in dry air, fresh water or neutral environment. However, it will be corroded by strong acids and strong alkalis if exposed to them for a long time. Therefore, the model should be selected according to the usage environment.
Machinability	Easy to forge, cast, machine and polish	It can be manufactured into micro balls ranging from millimeter size to large balls of centimeter size. The surface can be polished to a mirror finish, suitable for different precision requirements.
Thermal / Electrical Conductivity	The thermal conductivity is approximately 100-120 W/(m·K), and the electrical conductivity is 60%-70% of that of pure copper.	Suitable for scenarios that require "heat dissipation" or "low conductivity" (such as small heat dissipation components, anti-static devices)