Shandong JinNai International Trade Co., Ltd.
Shandong JinNai International Trade Co., Ltd.
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High Precision 1060/1070 Solid Aluminum Balls for conducting 2.2mm 3.2mm 10.4mm
Aluminium balls are characterized by good corrosion resistance and hard-wearing properties,
and also come with smooth surface finishes.
The basic class (1xxx) simply has good wear and corrosion resistance, and come with a minimum aluminium content of 99%.
However, they are also aluminium alloys, so traces of iron, magnesium, silicon, and copper will be present.
| Applications |
|---|
| Special bearings and valves, sealing elements (crushed balls), they are used in automotive industry (safety devices), aviation and aerospace industry, electronic industry, welding processes. |
| Type | %Si | %Fe | %Mn | %Cr | %Cu | %Ti | %Al | %V | %Mg | %Zn | - |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1050 | 0.25 max | 0.40 max | 0.05 max | 0.05 max | 0.05 max | 0.05 max | 99.50 min | 0.05 max | 0.05 max | 0.07 max | - |
| 1070 | 0.20 max | 0.25 max | 0.03 max | - | 0.03 max | 0.03 max | 99.70 min | 0.05 max | 0.03 max | 0.07 max | - |
| 1100 | % (Si+Fe) max 0.95 | % (Si+Fe) max 0.95 | 0.05 max | 0.10 max | 0.05 - 0.20 | 0.03 max | 99.00 min | 0.05 max | 0.05 max | 0.10 max | - |
| Property | Symbol | U.o.M. | Type | Notes | Values |
|---|---|---|---|---|---|
| Density | δ | [g/cm3] | Physical | Room temp. | 2.71 |
| Young's modulus | E | [GPa] | Mechanical | - | 70 |
| Specific heat | c | [J/kg-K] | Thermal | Room temp. | 875 |
| Coefficient of linear thermal expansion | α | [10^-6/ºC] | Thermal | (ΔT=0-100°C) | 23.4 |
| Thermal conductivity | λ | [W/(m·K)] | Thermal | Room temp. | 220.0 |
| Electric resistivity | ρ | [Ω*m*10^-9] | Electric | - | 28 |
| Relative magnetic permeability | µ | - | Magnetic | Paramagnetic | 1.004 |
| Property | Type | U.o.M. | Values | U.o.M. | Values |
|---|---|---|---|---|---|
| Hardness | Mechanical | [HV0.5] | 20-50 | - | - |
| Ultimate tensile strength | Mechanical | [MPa] | 65-165 | [psix10^3] | 10 - 23 |
| Service temperature | Thermal | [ºC] | -196 / 200 | [ºF] | -320.8 / 392 |
| Corrosion Resistance |
|---|
| 1xxx series alloys provide better corrosion resistance thanks to their purity. Good resistance on almost all natural waters. All aluminium alloys are subjected to pitting corrosion in presence of chlorides. |
