Seth Petra

Metallurgist

Seth Petra is a Metallurgist at Federal Screw Works in Big Rapids, Michigan. With two years of professional experience, Seth engineers parts for automotive manufacturing and has experience with materials testing and heat-treated induction. Seth received a Bachelor’s Degree in Metallurgical Engineering from South Dakota Mines.

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Co-authored Articles (4)

How to

Cast Jewelry

Jewelry casting is a process of making jewelry pieces that involves the pouring of liquid metal alloy into a mold. It is usually referred to as lost-wax casting because the casting mold is created using a wax model that ...

How to Mix and Cast Aluminum Bronze at Home

Everything you need to know about making bronze from scratch safely Bronze seems like an ordinary, everyday metal to us now, but when it was first mixed by humans around 3000 BC, it changed the history of mankind forever...

How to Coat Metal with Rubber: Protect Your Metal Tools

A step-by-step guide to getting a professional rubber finish Rubber coated metal seems like something only a factory could make, but lately, rubber coating has found its way into more and more do-it-yourself projects, li...

How to

Measure the Density of Metals

Density is a basic property of matter defined as the mass of an object per unit volume. If two objects have the same volume, but different densities, the object with the higher density will weigh more than the identical ...