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CNC Machining: Aluminum or Steel? Stop the Confusion
Created on 08.21
When it comes to CNC machining projects, picking between aluminum and steel can be a head - scratcher. Both have their own perks, and the best choice depends on what your project actually needs. Let's make it simple.
1. Aluminum: Light and Easy to Machine
Aluminum is a star when it comes to CNC machining. It cuts through like a hot knife through butter, and your tools won't wear out quickly. This makes it great for both quick prototypes and mass - producing parts. It's super light—about a third of the weight of steel. So, if you're making something for aerospace, cars, or gadgets where every ounce matters, aluminum is perfect.
Sure, it's not as strong as steel, but it resists corrosion well. Grades like 6061 and 7075 are top - notch for this. And here's the kicker: it's cheaper for making complex CNC parts because the machining is faster. If your project needs a mix of strength, lightness, and a good price, aluminum is your buddy.
2. Steel: Tough and Long - Lasting
Steel is the go - to for projects that need maximum strength and durability. It has way higher tensile strength than aluminum. So, for industrial machines, tooling, and structural bits, steel is king. It can take a beating and not deform, even in really tough conditions.
But steel is heavy and harder to machine. That means it'll take more time and cost more. Still, if your part has to handle extreme forces or high temps, steel's benefits are worth the extra cash.
3. How to Choose
Think about these for your project:
- If weight is a big no - no, go aluminum.
- Need serious strength? Steel is the answer.
- Making a lot of parts? Aluminum machines faster.
- On a tight budget? Aluminum usually costs less to machine.
At Marigold Rapid, we're pros at both aluminum and steel CNC machining. Our experts can help you pick the right material.
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