4A01 H18 round aluminum bar
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Product introduction
4A01 H18 round aluminum bar has a large thermal expansion coefficient, high high temperature strength, and good high temperature corrosion resistance. For machining forged pistons. It is a building material, a forging material for mechanical parts, and a welding material; 4A01 aluminum-silicon alloy 1. High wear resistance. Aluminum-silicon alloy has high wear resistance. With the increase of silicon content, the hardness and strength of aluminum-silicon alloy will increase accordingly. 2. Small coefficient of thermal expansion. Any material will expand at high temperature, which limits the application range of most materials. The aluminum-silicon alloy has a small thermal expansion coefficient and can work in a high-temperature environment. 3. Easy to cast. Among the cast aluminum alloys, 4-series aluminum-silicon alloys account for more than 90%, which shows the superior casting performance of aluminum-silicon alloys.
4A01 aluminum alloy chemical composition:
Iron Fe: ≤0.60
Silicon Si: 4.50~6.00
Copper Cu: ≤0.20
Titanium Ti: ≤0.15
Zinc + tin Zn + Sn: ≤0.10
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