HR Brass

CuZn25Al5Mn4Fe3

HR Brass

EN CC762S - UNS C86300

CuZn25Al5Mn4Fe3 is a special high-strength brass enriched with aluminum, manganese, and iron. It is often classified as an engineering brass (similar to aluminum bronzes in certain properties). It is valued for its excellent mechanical strength, wear resistance, and corrosion resistance, even in harsh environments.

Properties

Machinability
Resistance to heavy loads

Development

Continuous casting

States

Applications

Marine Industry
Gears
Mechanical Parts

Chemical Composition

ElementCu (%)Al (%)Fe (%)Neither (%)Pb (%)Mn (%)Zn (%)Other (%)
Contents60.0–67.03.7–7.01.5–4.0≤ 0,3 ≤0.22.5–5.0Remaining≤ 0,36

Mechanical Properties

Hardness (HB)≥190
Rm (MPa)≥750
0.2 Rp (MPa)≥480
A%≥5
Density (g/cm³)7.8

Available Sizes

Round

Custom-made

Standards

IN 1982
ASTM B505

Certificate 3.1 available

Upon request when ordering

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