AA 4032 Aluminum Alloy
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계열: Aluminum Alloy
Silicon Alloy (Al-Si). AA designation 4032.
Overview
Formulated for parts that run hot, AA 4032 is a high-silicon aluminium alloy of about 12.2% silicon with copper, magnesium, and nickel additions. The silicon gives excellent wear resistance and lowers the coefficient of thermal expansion, which helps maintain tight piston-to-cylinder clearances at temperature. It is forged into automotive and aircraft engine pistons, cylinder liners, and other thermal-management components.
성능 평가
Performance Radar
| 특성 | Rating |
|---|---|
| Strength | 5 / 10 |
| Corrosion Res. | 6 / 10 |
| Lightweight | 9 / 10 |
| Machinability | 8 / 10 |
| Affordability | 7 / 10 |
| Heat Res. | 4 / 10 |
성분
기계적 특성
| 인장 강도 | 360.5 MPa |
| 항복 강도 | 342.5 MPa |
| 연신율 | 4.0% |
| 경도 (로크웰) |
화학 성분
| 원소 | 비율 (%) |
|---|---|
| Al | 85.091 |
| Cr | 0.01 |
| Cu | 0.9 |
| Fe | 0.174 |
| Mg | 1.04 |
| Mn | 0.005 |
| Ni | 0.9 |
| Si | 11.56 |
| Ti | 0.044 |
| Zn | 0.044 |
구매처 AA 4032 Aluminum Alloy
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설명
AA 4032 is a high-silicon aluminum alloy (~12.2% Si) with additions of copper, magnesium, and nickel, specifically formulated for forged pistons and engine components operating at elevated temperatures. The silicon content provides excellent wear resistance and reduces the coefficient of thermal expansion, critical for maintaining tight piston-cylinder clearances. Primary applications include automotive and aircraft engine pistons, cylinder liners, and thermal management components.