Metal Testing Articles

Rockwell Testing Methods: Formulas & Usage

1 Jan 2026

Is your team looking for a trustworthy way to verify that your metal components are truly built to last? 

Assessing resistance to indentation is a critical step in guaranteeing that your final output is solid and long-lasting. The Rockwell hardness test serves as the standard approach for this evaluation, offering both precise data and versatile application across various alloys. By tuning the applied pressure and the penetrating tool, you can customize the procedure to suit your specific manufacturing requirements. 

Choosing a Vertical vs Horizontal Optical Comparator

17 Dec 2025

Is your current quality control equipment giving you the confidence and precision you need to prevent costly errors?

In precision manufacturing, your ability to accurately measure every component is the foundation of your success. Avoiding rework and scrap starts with the right tools.

Quality managers consistently ask: what truly distinguishes a vertical from a horizontal optical comparator, and how do I select the configuration that will maximize our shop floor efficiency?

Optical Comparator vs Vision System: Which is Better?

15 Dec 2025

Shipping components that fall outside tolerance isn't just a minor inconvenience; it is a liability that hits your bottom line hard. Here is the reality: grasping the functional differences of optical comparator vs vision measuring machine technology is the only way to stop burning capital.

We are Qualitest, and we aren't here to sell you equipment that gathers dust. We are here to provide the practical facts about which instrument will actually secure your production quality.

How to Use an Optical Comparator: A Step-by-Step Guide

13 Dec 2025

Effective use of an optical comparator (profile projector) isn't based on guesswork if you expect to get parts checked with a high degree of precision. These systems are renowned for their accuracy, but achieving their full capability is entirely dependent on following a correct operating procedure. 

Types of Abrasion Testing: Different Methods to Assess Surface Damage

4 Aug 2025

It's clear that abrasion testing is essential to evaluate how your product's material performs after wear and tear. However, there are various factors that can affect it, and just as many types of abrasion testing. So, what sets them apart? And which one should you be using?

Here, Qualitest, will guide you to look at the different types of abrasion tests and what makes each one unique. Stick with us until the end to gain insights into the current abrasion testing regulations in the U.S. as well.

Types of Material Testing: The Importance, and How to Choose The Correct Ones

5 Jun 2025

Material testing may not always be visible on the surface of innovation, but it quietly powers some of the most critical decisions in product development and quality assurance. Despites of the industry, understanding various types of material testing helps to ensure that each material behaves as expected.

Especially in highly regulated industries where safety, performance, and compliance are non-negotiable, material testing serves as both a gatekeeper and a guide. It ensures that the materials used will stand up to real-world demands.

LIBS Analyzers Explained: How It Works, What It Detects, and Why It’s Changing Metal Analysis

7 May 2025

LIBS analyzers, or Laser Induced Breakdown Spectroscopy analyzer, gives you fast, in-field material identification, no lab required.

Using a focused laser pulse, it vaporizes a tiny surface area to create plasma. This plasma emits light that reveals the exact elements present in the material. Results appear on-screen in seconds, helping you make quick, confident decisions on the job.

Surface Roughness Testing: How It Impacts Product Efficiency and Durability

20 Jan 2025

Did you know that the texture of a surface can make or break a product's performance? Surface Roughness Testing gives you the ability to identify and control microscopic imperfections, ensuring better durability, efficiency, and reliability.

Now, let’s take a closer look at what surface roughness testing involves, the tools used, and why it’s a critical step in ensuring product excellence across diverse applications.

How to Calculate Bolt Yield Strength: A Practical Guide for You

14 Jan 2025

Choosing the right bolt can be confusing when strength and reliability are at stake. What if your bolt deforms or breaks under pressure? That's why understanding their yield strength is crucial when determining the right bolt for your project.

Yield strength tells you the maximum stress a bolt can handle before it permanently deforms. Let’s explore how you can calculate bolt yield strength and make informed decisions for your applications.

Optical Emission Spectrometer for Metal Analysis: Applications and Benefits

20 Jul 2024

Optical emission spectrometry (OES) is an essential analytical technique used in metal analysis across various industries, including metallurgy, casting, machinery, metal processing, automotive, and others. This method provides rapid and precise elemental composition analysis, ensuring quality control and adherence to industry standards.

The ability of this technique to deliver accurate results quickly makes it important for maintaining the integrity of metal components, especially in critical applications where material properties are crucial.