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What is the Difference between Rolled Aluminium and Cast Tool & Jig Plates?


What is the difference between Rolled Aluminium & Cast Tool & Jig Plates? These two types of aluminum plate are produced differently to achieve specific characteristics. In this article, we explain how they’re made as well as their real life applications.

Rolled aluminium plate

Rolled aluminium plate is one of the most common forms of industrial aluminium used today.

How is it made?

There are several steps to creating rolled aluminium plate.

First, you heat a cast aluminium slab to over 500 degrees Celsius. Then you take that material and pass it through a series of hot rollers to achieve a desired thickness.

Further cold rolling reduces the final thickness by 0.008 inches or lower for speciality applications.

Use cases

Rolled aluminium plate is a highly versatile product. Construction, manufacturing, packaging and food industries widely make use of this metal because of its increased ductility and workability.

This form of aluminium is also often used in strength-applications such as engineering.

Cast tool & jig plate

On the other hand, cast tool & jig plate is an aluminium product that’s processed for increased stability and machined flat to a high degree of accuracy.

It’s also important to note that cast tool & jig plates are the aluminium plate products with the tightest tolerances. What does this mean? Workers must follow extremely strict design parameters during the manufacturing process, without deviation.

How is it made?

To produce cast tool & jig plate, a continuous cast plate is machined on both sides.

After that, the machined plate is thermally relieved to reduce internal stresses and ensure that it remains within the tight specifications.

Use cases

Due to its high precision, cast tool & jig plates are commonly used in precision manufacturing applications such as jigs and fixtures, templates, tooling, and even specialist equipment (i.e., medical instrumentation and electronic components).

This type of plate is only typically used in non-strength applications.


Metal Supermarkets

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Metal Supermarkets is the world’s largest small-quantity metal supplier with 125 brick-and-mortar stores across the US, Canada, and United Kingdom. We are metal experts and have been providing quality customer service and products since 1985.

At Metal Supermarkets, we supply a wide range of metals for a variety of applications. Our stock includes: mild steel, stainless steel, aluminium, tool steel, engineering steel, brass, bronze and copper.

We carry a wide range of shapes including: bars, tubes, sheets and plates. We can cut metal to your exact specifications.

Visit one of our 8 locations in the United Kingdom today.

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