AMPCO® 18: Premium Extruded & Drawn Rounds & Rectangular Bars
Compact grain structure and high physical properties result from proper phase distribution and hot working of AMPCO® 18 during the extrusion process. These qualities enable this alloy to perform successfully in an extremely wide range of difficult applications. It is an excellent bearing material characterized by good resistance to wear and fatigue.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 23.0 °C | 7.45 g/cm³ |
Recycled Content | 80 % |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Charpy impact energy | 23.0 °C | 12 - 14 J | |
Compressive strength | 23.0 °C | 980 - 1013 MPa | |
Compressive yield strength, 0.1% | 23.0 °C | 262 MPa | |
Elastic modulus | 23.0 °C | 117 GPa | |
Elongation A5 | 23.0 °C | 12 - 14 % | |
Fatigue strength | 23.0 °C | 241 - 248 MPa | 100.000.000 cycles |
Hardness, HBW | 23.0 °C | 187 - 202 [-] | HBW 10/3000 |
Hardness, Rockwell B | 23.0 °C | 91 - 94 [-] | |
Izod impact energy | 23.0 °C | 19 - 22 J | |
Proportional limit in compression | 23.0 °C | 221 - 248 MPa | |
Reduction of area | 23.0 °C | 12 - 14 % | |
Shear strength | 23.0 °C | 428 - 448 MPa | |
Tensile strength | 23.0 °C | 655 - 745 MPa | |
Yield strength Rp0.5 | 23.0 °C | 338 - 379 MPa |
Thermal
| Property | Temperature | Value |
|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1.62E-5 1/K |
Specific heat capacity | 23.0 °C | 420 J/(kg·K) |
Thermal conductivity | 23.0 °C | 63 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical conductivity | 23.0 °C | 7.00E+6 S/m |
Specific Electrical conductivity | 12 % IACS |
Chemical properties
| Property | Value |
|---|---|
Aluminium | 10.5 % |
Copper | Balance |
Iron | 3.5 % |
Other | 0.5 % |
Technological properties
| Property | ||
|---|---|---|
| Application areas | AMPCO® 18 rod is produced with a good surface finish to commercial tolerances and can be used economically for volume-production applications. AMPCO® 18 is ideally suited where high strength and hardness combined with wear and fatigue resistance are required. Some of the more common applications of this alloy are bushings, bearings, gears, worm wheels, valve seats and guides, hydraulic valve parts, pump rods, guide pin bushings, gibs and slides, etc. | |
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