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CuZn25Al5Mn4Fe3

KUZRAL® 4 | Manganese Bronze

KUZRAL® 4 is a Manganese Bronze | CuZn25Al5Mn4Fe3 grade for bushings, bearings, rods, tubes, plates, and wear-resistant industrial components.

ISO
CuZn25Al5Mn4Fe3
EN
CC762S CuZnAl
DIN
2.0608
ASTM
C86300
BS
HTB3
Density
7.83 g/cm³
KUZRAL® 4 product image

01. Chemical Composition (%)

27 Co Cobalt
%60.0-66.0
27 Co Cobalt
%3.0-7.0
27 Co Cobalt
%2.5-5.0
27 Co Cobalt
%1.5-4.0
27 Co Cobalt
% Kalan

02. Mechanical Properties

Mechanical Properties
Property Unit Value Test Method
Tensile Strength - 600-750 MPa -
Yield Strength - 450-480 MPa -
Hardness 180-200 HB 180-200 HB -
Density - 7,83 g/cm³ -

03. Applications

  • Heavy-duty bearings subjected to high loads
  • Gears, worm gears
  • Levers (arms) and load-bearing support components
  • High-pressure valve stems

04. Manufacturing Technology and Supply Forms

Supply FormsCustom Casting, Hollow Bar / Pipe, Flat Bar / Plate, Round Bar

05. Standards and Comparable Grades

Europe / EN CuZn25Al5Mn4Fe3-C
Europe / EN CuZn25Al5Mn4Fe3-B
Europe / EN CC762S
Europe / EN CB762S Külçe
USA / ASTM / UNS C86200
USA / ASTM / UNS C86300
Global / ISO CuZn25Al6Fe3Mn3
Global / ISO CuZn25Al5Mn4Fe3
United Kingdom / BS HTB3
Japan / JIS HBsC4
Germany / DIN CuZn25Al5
Germany / DIN G-CuZn25Al5
Germany / DIN GK-CuZn25Al5
Germany / DIN GZ-CuZn25Al5 Savurma Döküm
Germany / W-Nr. 2.0598
Germany / W-Nr. 2.0598.01
Germany / W-Nr. 2.0598.02
Germany / W-Nr. 2.0598.03
France / NF / AFNOR CuZn19Al6Y20
Russia / GOST LTS23A6ZH3Mts2
Sweden / SS-EN CC762S
Türkiye KUZRAL 4 Çorum Bronz
Global / Trade Brand JM 18 Johnson Metall
Global / Trade Mangan Bronzu (Manganese Bronze) Common Usage
Global / Trade High Tensile Manganese Bronze Common Usage
EN S EN 1982 (Casting)
EN EN 1982 (Ingot)
ISO ISO 4379
DIN DIN 1705
SS SS-EN 1982
Türkiye KUZRAL 4

06. Technical Description

View Detailed Technical Description

KUZRAL® 4 technical data

KUZRAL® 4 is available for custom casting, continuous casting, centrifugal casting, machining, and industrial spare-part production.

07. Technical Documents