KUPRAL® 5
Nickel-Aluminum Bronze | CuAl10Fe5Ni5
KUPRAL 5 (CuAl10Fe5Ni5), produced by Çorum Bronz, is a nickel-aluminum bronze alloy that offers high strength, superior wear resistance, and high durability against seawater. It provides long-lasting performance in systems operating under heavy loads and high pressure.
01. Chemical Composition (%)
science02. Industries Served
factory03. Supply Forms
inventory_204. Mechanical Properties
engineering| Property Name | Imperial (psi) | Metric (MPa) | Test Method |
|---|---|---|---|
| Tensile Strength | N/mm² | 650-750 N/mm² | - |
| Yield Strength | N/mm² | 280-380 N/mm² | - |
| Hardness | HRB | 160-190 HB | - |
| Density | g/cm³ | 7,6 g/cm³ | - |
05. Areas of Use
settings_suggest| Ship propellers | |
| In heavy marine applications, such as seawater pumps and valves | |
| Propellers resistant to seawater corrosion | |
| In industrial furnace bearings | |
| Specifically preferred in the manufacturing of non-sparking safety tools. |
06. Global Equivalent Grades
public| Region | Standard | Grade Definition | Notes |
|---|---|---|---|
| flag Europe | EN | CuAl10Fe5Ni5-C | Casting |
| flag Europe | EN | CuAl10Fe5Ni5-B | Ingot |
| flag Europe | EN | CC333G | Casting |
| flag Europe | EN | CB333G | Ingot |
| flag USA | ASTM | C95500 | |
| flag USA | ASTM | C95800 | |
| flag United Kingdom | BS | AB2 | |
| flag Germany | DIN | CuAl10Ni | |
| flag Japan | JIS | CAC902 | |
| flag Australia | AS | CB3 | |
| flag Global | ISO | CuAl10Fe5Ni5 | |
| flag Türkiye | Brand Name | KUPRAL 5 | Çorum Bronz |
| flag Global | Trade | Nickel-Aluminum Bronze | Common Name |
07. Technical Resources
folder_open08. Standard Compliance
verified_userLong Notes
note_altKUPRAL 5 (CuAl10Fe5Ni5) Premium Nickel Aluminum Bronze
KUPRAL 5, developed with Çorum Bronz’s advanced casting technologies, is a high-end bronze alloy that offers exceptional strength, wear resistance, and corrosion protection. Thanks to its specialized composition enriched with aluminum, nickel, and iron, it stands as one of the highest-performing products in the KUPRAL series.
This alloy is specifically engineered to provide maximum durability and extended service life in systems operating under heavy loads, high temperatures, and aggressive environmental conditions.
Alternative Designations for KUPRAL 5
JIS: Al BC 3
GOST: BrA10Z4N4L / БрA10ж4н4л
ASTM: C95520
AS (Australia): C95810
Common Name: GC-CuAl10Ni
Superior Material Properties
Produced with Çorum Bronz’s signature quality, KUPRAL 5 provides:
Extreme Strength & Hardness: Exceptional load-bearing capacity.
Superior Surface Protection: High resistance to wear and surface deformation.
Marine & Chemical Excellence: Outstanding corrosion resistance against seawater and harsh chemicals.
Cavitation & Erosion Resistance: Ideal for high-velocity fluid environments.
Thermal Stability: Retains mechanical properties even at elevated temperatures.
Technical Structure and Mechanical Performance
KUPRAL 5 is a copper-based alloy reinforced with aluminum, nickel, and iron for peak performance:
Tensile Strength: 600 – 800 MPa
Yield Strength: 270 – 400 MPa
Hardness: 170 – 220 HB
Density: ~7.5 – 7.7 $g/cm^3$
Global Equivalent Grades
EN Standard: CuAl10Fe5Ni5
DIN Standard: 2.0975 (Equivalent to 2.0966)
ASTM Standard: C95500
Common Applications
KUPRAL 5 is the preferred choice for mission-critical applications:
Marine Engineering: Ship propellers, seawater pumps, and valves.
Heavy Duty Systems: Bushings and bearings operating under extreme pressure.
Power Transmission: High-stress gears and worm screw mechanisms.
Industrial Machinery: Press components and rolling mill parts.
Sectoral Applications
Marine & Offshore
Oil & Gas
Defense & Aerospace
Energy & Turbine Systems
Heavy Industry
Availability & Supply
Available through the reliability of Çorum Bronz in various forms:
Bronze Rods / Round Bars
Bronze Flat Bars / Rectangular Sections
Bronze Plates / Sheets
Why Choose Çorum Bronz KUPRAL 5?
As a leading name in nickel aluminum bronze production, Çorum Bronz combines high production capacity with engineering expertise. KUPRAL 5 is a professional engineering solution that delivers premium performance, longevity, and competitive pricing.