HR Brass

CuZn40Mn2Fe1

HR Brass

EN CW723R - UNS C69800

CuZn40Mn2Fe1 is a high-strength brass alloy containing manganese and iron, which gives it excellent wear resistance, good corrosion resistance, and very good performance under heavy loads. It is suitable for demanding environments where strength and durability are essential.

Properties

Machinability
Wear resistance
Mechanical Strength

Development

Hot-extruded
Cold-drawn

States

R490 / H135
R440 / H115

Applications

Hydraulic Components
Gears
Heavy Machinery Components

Chemical Composition

ElementCu (%)Zn (%)Mn (%)Fe (%)Al (%)Pb (%)
Contents56.5–58.5Remaining1.0–2.00.5–1.5≤0.1≤0.5

Mechanical Properties

Hardness (HB)≤180
Rm (MPa)≤490
0.2 Rp (MPa)≥170
A%15
Density (g/cm³)8.3

Available Sizes

Round

Custom-made

Standards

EN 12165
EN 12163
EN 12167

Certificate 3.1 available

Upon request when ordering

* These values are for reference only; they may vary depending on the standard and condition.