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Applications of Brass in CNC Machining

Brass features excellent machinability, with smooth chip removal and a fine surface finish, making it widely used in CNC turning, milling, and drilling operations. This product's properties include good electrical conductivity, corrosion resistance, non-magnetic property, and wear resistance. It is applied to a variety of products, including sensor connectors, valve parts, fasteners, instrument housings, plumbing hardware, precision components, and medical and electronic fittings. It is used in the production of overseas custom orders.

Common Brass Grades and Parameter for CNC Machining

Common Grade	International grade	Composition	Features	Application
HPb59-1	C36000	Cu:57–60% Pb:0.8–1.9% Zn: balance	Excellent machinability, smooth chip removal, stable precision	Mass production, thread parts, valves, fasteners, complex parts
H62	C2720	Cu:60.5–63.5% Zn: balance	Balanced strength and ductility, good corrosion resistance	General precision hardware, instrument parts, standard components
H65	C2680	Cu:63.5-68% Zn: balance	Superior plasticity, perfect surface finish, burr-free	High-precision parts, appearance parts, thin-wall components
H59	C2800	Cu:57%-60% Zn: balance	High hardness, cost-effective	Ordinary hardware, non-precision parts, budget orders

General Physical Parameters

Item	Parameter
Density	8.4–8.7 g/cm³
Hardness	HB 70–100
Tensile Strength	330–390 MPa
Melting Point	900–940℃
Machinability	HPb59-1 ＞ H62 ＞ H65 ＞ H59

FAQ

1.Which CNC processing methods are suitable for brass?

This product facilitates full-process manufacturing, encompassing turning, milling, drilling, and tapping operations. It ensures smooth cutting and effortless forming, enhancing operational efficiency and productivity.

2. What precision can brass machining achieve?

Typically, the surface finish is ±0.01mm, which aligns with the standards for precision export components.

3.Which industries use brass parts?

Our product line includes electronic connectors, sensor components, valves, plumbing hardware, instruments, and medical precision parts.

4.What are advantages of brass over stainless steel in machining?

high efficiency, low tool wear, cost-effectiveness, corrosion resistance, and conductivity.

5.Can brass parts get surface treatment?

A variety of surface treatment options are available to improve the appearance and rust resistance of the product, including polishing, plating, passivation, and brushing.

6.Is brass non‑magnetic for special precision applications?

Brass is non-magnetic and anti-interference, making it an ideal material for sensors and precision instruments.

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