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KUZRAL® 1 - CuZn34Mn3Al2Fe1-B

Manganese Bronze | CuZn34Mn3Al2Fe1-B

KUZRAL® 1 is a Manganese Bronze | CuZn34Mn3Al2Fe1-B grade for bushings, bearings, rods, tubes, plates, and wear-resistant industrial components.

ISO: CuZn34Mn3Al2Fe1-B EN: CC764S CuZnAl
KUZRAL® 1 Cover

01. Chemical Composition (%)

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Copper (Cu) %57.0 -65.0
Zinc (Zn) Rest
Manganese (Mn) %1.5 - 3.0
Aluminium (Al) %1.0 - 3.0
Iron (Fe) %0.5 - 2.0
Nickel (Ni) %1.0 - Max

02. Industries Served

factory
oil_barrel
Oil & Gas Drilling Equipment
precision_manufacturing
Automotive Bushings
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Energy Turbines
sailing
Maritime & Defense Propulsion Systems
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Aerospace 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 N/mm²
Yield Strength 250-350 N/mm²
Hardness 140 - 180 HB
Density 8.0 g/cm³

05. Areas of Use

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Heavy-Duty Bearings & Bushings: Industrial bearings operating under high surface pressure where standard bronzes fail.
Hydraulic System Components: High-pressure hydraulic cylinder ends, sealing elements, and valve bodies.
Marine & Shipbuilding: Propeller shaft sleeves, rudder system components, and fittings exposed to seawater.
Aerospace & Defense: Landing gear bushings, wing actuator parts, and high-tension structural components.
Construction & Heavy Machinery: High-strength pins and bushings for joints in excavators, cranes, and earthmovers.
Bridge & Dam Equipment: Expansion joint bearings, wear plates, and segment gears for large-scale infrastructure.
Automotive Industry: Synchronizer rings, shift fork components, and high-friction transmission parts.

06. Global Equivalent Grades

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Region Standard Grade Definition Notes
flag Europe DIN EN 1982 CC764S Casting
flag Europe DIN EN 1982 CB764S Ingot
flag United Kingdom BS HTB 1
flag Japan JIS HBsC 1
flag USA ASTM C 86500

08. Standard Compliance

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DIN EN 1982 CB764S
DIN EN 1982 CC764S
BS HTB 1
JIS HBsC 1
ASTM C86500

Long Notes

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KUZRAL® 1 technical data

KUZRAL® 1 is available for custom casting, continuous casting, centrifugal casting, machining, and industrial spare-part production.