Surekha Krishnan

Metallurgy Expert

Surekha Krishnan is a Metallurgy Expert based in Columbia, South Carolina. Surekha specializes in both arc welding and solid-state welding and has been a Plant Metallurgist at FN America, LLC since 2021. Surekha has over 7 years of experience, and is an expert in all Heat Treat processes and record retention, has prior experience as a Weld Engineer, and has taught various IIW welding courses in the past.

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Co-authored Articles (10)

How to

Set Up an Oxy Acetylene Torch

An oxy acetylene torch is an affordable and versatile tool used by many people to heat, weld, solder, and cut metal. It uses extreme heat to function, and setting it up properly is one of the most important steps in usin...

How to

Purchase Liquid Nitrogen

People use liquid nitrogen (LN2) for a variety of purposes, including freezing warts, performing science experiments, welding metals, preserving biochemical materials, and even home cooking. Yet since it’s potentially ...

How to

Melt Aluminum Cans

Melting aluminum cans yields pure aluminum that you can use for other projects. Once you have pure aluminum, you can mold it into fun or useful shapes. Aluminum has a low melting point, so you can easily melt it using a ...

How to

Clean Zinc

Items made with zinc can range from jewelry to tabletops and tubs. There are multiple ways to clean these objects effectively without having to buy harsh chemicals. The most common and environmentally friendly methods to...

How to

Age Aluminum

If you have a piece of aluminum you’d like to age, there are several methods of doing so. You can spray your aluminum with bleach and set it in the sun to create an aged look. Alternatively, you can wrap your aluminum ...

How to

Make a Grappling Hook

A grappling hook is a device that allows you climb an object such as a building, wall or a fence. Making a grappling hook is usually safe, but using it won't be. Wear a helmet, and make sure that if you do fall, you fall...

How to

Melt Silver Coins

Silver was a popular metal used in coins for centuries, until its price reached the point that the metal in the coins exceeded the face value of the dimes, quarters, and half dollars that used it. While its price is sign...

How to

Use a Blowtorch

Blowtorches can seem intimidating, but they are very handy tools if you know how to use them correctly. From cooking to soldering pipes, you can use a blowtorch in many household and DIY projects. The most important thin...

How to

Build a Propane Blacksmith Forge

In the workplace, metal is only as good as its temper. A forge allows the craftsman to change properties of metal such as its hardness, shape, and strength as a project dictates. There are several ways to accomplish this...

How to

Pass a Welding Certification Test

The American Welding Society was created in accordance with the American National Standards Institute codes and requirements, because welding fabrication has become a very sophisticated and technical science. Hence, a...