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Foundry Tech: Fettling and Heat Treatment

In this edition, we look at Fettling and Heat Treatment. When a pattern is being prepared for moulding, extra features are added such as a runner bar and pouring cup, so the metal can enter and fill the mould cavity at the right speed (too slow and...

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Foundry Tech: Tool Steels

The last ferrous metal system that we are looking at in this series is Tool Steels. Tool Steels occupy a unique position in the ferrous family in that components made of Tool Steel are used to make other steel parts. Tool Steels can be used to make...

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Foundry Tech: Austenitic Manganese Steel

Another highly alloyed steel family is Austenitic Manganese Steel (AMS). The original grade was invented by Sir Robert Hadfield in the 1880s, and the family is still referred to as Hadfield Steel. This family of steel contains anywhere from 11-25%...

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Foundry Tech: Stainless Steel

Mild and low alloy steels continue to be the most widely used ferrous materials, due to their cost-effectiveness and high-performance properties. However, they do have a  tendency to rust or corrode if left unprotected. This is due to the affinity...

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Foundry Tech: Low Alloy Steel or LAS

In this article, we’ll look at the workhorse of industry, Low Alloy Steel or LAS. This family of steels has many different properties can be produced to meet different needs, such as strength, hardness, wear resistance etc. LAS is used in dragline...

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Foundry Tech – Alloy White Irons

In this article, we’ll look at another member of the iron family – Alloy white irons (No, not named after White Industries.). White iron has a white appearance when fractured, just as grey iron has a grey fracture face. Alloy white irons differ...

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Foundry Virtual Tour – Fettling and Heat Treatment

In this edition, we turn up the heat with fettling and heat treatment. When a pattern is being prepared for moulding, extra features are added like a runner bar, pouring cup and feeders or risers which assist with various aspects of the casting...

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Foundry Virtual Tour – Melting and Pouring

In this article, we look at the next step in the White Industries’ production process; melting and pouring. At the time of writing, White Industries produces 106 different alloys, consisting of various grades including: STEELS IRONS STAINLESS...

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Foundry Virtual Tour – Moulding

Following on from our look into the Patternmaking process and how permanent tooling is made last issue, this time we’ll look at the Moulding Processes and where the single-use moulds are made and prepared for pouring the molten metal. Moulding...

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Foundry Virtual Tour – The Casting Process (Patternmaking)

The first step in the casting process is making a pattern. A pattern is a re-usable tool used to create single-use moulds, which are destroyed each time a casting is poured. The pattern creates the exterior shape of the part to be cast, If the...

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