KUPRAL® 4
Nickel-Aluminium Bronze | CuAl10Ni5Fe4
KUPRAL® 4 is a Nickel-Aluminium Bronze | CuAl10Ni5Fe4 grade for bushings, bearings, rods, tubes, plates, and wear-resistant industrial components.
ISO:
CuAl10Ni5Fe4
ASTM:
C63000
EN:
CW307G
01. Chemical Composition (%)
science
Copper
(Cu)
% 78.0-85.0
Aluminium
(Al)
%8.5-11.0
Nickel
(Ni)
%4.0-6.0
Iron
(Fe)
%3.0-5.0
02. Industries Served
factory
oil_barrel
Oil & Gas
Drilling Equipment
precision_manufacturing
Automotive
Bushings
wind_power
Energy
Turbines
sailing
Maritime & Defense
Propulsion Systems
flight_takeoff
Aerospace
Landing Gear
03. Supply Forms
inventory_2
radio_button_unchecked
Hollow Bar / Pipe
sort
Flat Bar / Plate
stroke_full
Round Bar
04. Mechanical Properties
engineering| Property Name | Imperial (psi) | Metric (MPa) | Test Method |
|---|---|---|---|
| Tensile Strength | N/mm² | min. 640 N/mm² | - |
| Yield Strength | N/mm² | min. 270 N/mm² | - |
| Hardness | HB | min. 180 HB | - |
| Density | - | 7,6 g/cm³ | - |
05. Areas of Use
settings_suggest| In critical engine and gearbox (gear) components requiring high strength and wear resistance | |
| Propellers resistant to seawater corrosion | |
| In the manufacturing of heavy-duty bearings, shafts, worm screws, and other gear mechanisms | |
| Screws exposed to heavy loads or corrosive environments |
06. Global Equivalent Grades
public| Region | Standard | Grade Definition | Notes |
|---|---|---|---|
| flag Europe | EN | CuAl10Ni5Fe4-C | Casting |
| flag Europe | EN | CC333G | Casting |
| flag Europe | EN | CW307G | |
| flag USA | ASTM | C6301 | |
| flag Türkiye | Brand Name | KUPRAL 4 | Çorum Bronz |
| flag Global | Trade | Nickel-Aluminum Bronze | Common Name |
07. Technical Resources
folder_open08. Standard Compliance
verified_user
EN
EN 1982
ASTM
C6301
Long Notes
note_altKUPRAL® 4 technical data
KUPRAL® 4 is available for custom casting, continuous casting, centrifugal casting, machining, and industrial spare-part production.