HR Brass

CuZn37Mn3Al2PbSi

HR Brass

EN CW713R - UNS C67300

CuZn37Mn3Al2PbSi is a high-strength brass alloy containing manganese and aluminum, with added lead and silicon to improve machinability and mechanical properties. It offers good wear and corrosion resistance, making it suitable for heavily loaded engineering components.

Properties

Machinability
Wear resistance
Compressive Strength

Development

Hot-extruded

States

R370 / H085
R590 / H150

Applications

Components for Corrosive Applications
Mechanical Transmission Components
Valve seat

Chemical Composition

ElementCu (%)Al (%)Mn (%)Pb (%)Zn (%)Other (%)
Contents57–591.3–2.31.5–3.00.2–0.8Remaining≤0.13

Mechanical Properties

Hardness (HB)≤130
Rm (MPa)≤540
0.2 Rp (MPa)≤250
A%8–10

Available Sizes

Round

Tubes

Hexagonal

Custom-made

Standards

EN 12164
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.