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KUZRAL®

Manganese Bronze | CuZn25Al5Mn4Fe3

KUZRAL (CuZn25Al5Mn4Fe3), manufactured by Çorum Bronz, is a manganese bronze alloy that offers high strength, superior wear resistance, and reliable performance under heavy loads. It provides long-lasting solutions for gear, bushing, and low-speed bearing applications.

ISO: CuZn25Al5Mn4Fe3 DIN: 2.0608 BS: HTB3
KUZRAL® Cover

01. Chemical Composition (%)

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

02. Industries Served

factory
oil_barrel
Oil & Gas Drilling Equipment
precision_manufacturing
Automotive Bushings
wind_power
Energy Turbines
sailing
Maritime & Defense Propulsion Systems
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Aerospace and Space Landing Gear

03. Supply Forms

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transition_fade Custom Casting
radio_button_unchecked Hollow Bar / Pipe
sort Flat Bar / Plate
stroke_full Round Bar

04. Mechanical Properties

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Property Name Imperial (psi) Metric (MPa) Test Method
Tensile Strength - 600-750 MPa -
Yield Strength - 450-480 MPa -
Hardness 180-200 HB 180-200 HB -
Density - 7,83 g/cm³ -

05. Areas of Use

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

06. Global Equivalent Grades

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

08. Standard Compliance

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EN S EN 1982 (Casting)
EN EN 1982 (Ingot)
ISO ISO 4379
DIN DIN 1705
SS SS-EN 1982
Türkiye KUZRAL 4

Long Notes

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KUZRAL (CuZn25Al5Mn4Fe3) High-Strength Manganese Bronze with Çorum Bronz Quality

Developed with Çorum Bronz’s advanced casting technologies, KUZRAL is a powerful manganese bronze alloy offering very high strength, wear resistance, and mechanical durability thanks to its special structure enriched with manganese, aluminum, and iron.

The KUZRAL series is specifically designed to provide maximum durability and long service life in systems operating under heavy loads, low speeds, and high pressure. Çorum Bronz offers not only technical superiority in this manganese bronze group but also the advantage of competitive pricing and fast supply.

Superior Material Properties

With Çorum Bronz production quality, KUZRAL:

  • Offers very high strength and hardness.

  • Provides strong resistance against wear and surface deformation.

  • Delivers stable and reliable performance under heavy loads.

  • Is resistant to impact and mechanical stress.

  • Ensures high efficiency in low-speed applications.

These features make the KUZRAL alloy ideal for heavy industry and high-load applications.

Technical Structure and Mechanical Performance

KUZRAL (CuZn25Al5Mn4Fe3) is a copper-based alloy reinforced with zinc, aluminum, manganese, and iron.

  • Tensile Strength: 600 – 750 MPa

  • Yield Strength: 250 – 350 MPa

  • Hardness: 150 – 220 HB

  • Density: ~7.5 $g/cm^3$

These values ensure that the alloy can be used safely under heavy loads and high pressure.

Global Equivalent Grades

Çorum Bronz KUZRAL can be used with confidence in global projects thanks to its quality structure corresponding to international standards:

  • EN Standard: CuZn25Al5Mn4Fe3

  • DIN Standard: 2.0598

  • ASTM Standard: C86300

Standard Compliance and Quality Assurance

Çorum Bronz performs production in accordance with international quality standards.

KUZRAL:

  • Is produced in compliance with ISO quality standards.

  • Is continuously monitored through chemical and mechanical analyses.

  • Production processes are supported by quality assurance systems.

This ensures it is preferred with confidence in both local and global projects.

Applications

KUZRAL is preferred in applications requiring high strength:

  • Bushing and bearing systems operating under heavy loads.

  • Gear and gearbox mechanisms.

  • Hydraulic system parts.

  • Press and rolling mill machinery components.

Sectoral Applications

  • Heavy Industry

  • Machinery Manufacturing

  • Energy Sector

  • Maritime

  • Defense and Aerospace

Manganese Bronze Supply with Çorum Bronz

KUZRAL manganese bronze products are offered in various forms and sizes under the assurance of Çorum Bronz:

  • Bronze rod

  • Bronze flat bar

  • Bronze plate

Get a quote now for manganese bronze prices, CuZn25Al5Mn4Fe3 supply, and stock information.

Why Çorum Bronz KUZRAL?

Çorum Bronz is one of the leading companies in the sector for manganese bronze production with its high production capacity, engineering strength, and quality-oriented approach. KUZRAL is not just an alloy; it is a professional engineering solution offering high durability, long life, and affordable price advantages.