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Using the Rockwell Hardness Test for Metal Applications

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A metal’s hardness indicates its resistance to permanent shape changes when a compressive force is applied. Naturally, it is an important characteristic, and measuring hardness enables a manufacturer to choose an appropriate material for an application. There are various methods (such as Rockwell, Brinell, and Vickers) for measuring metal hardness. Of these, the simplest and […]

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new IATF standards for automotive

IATF 16949: What’s Changing in the New ISO TS Requirements?

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ISO/TS 16949, the automotive industry’s most widely applied international standard for quality, will be replaced by IATF 16949. The new certification, developed by Automotive Industry Action Group members, changes the requirements of quality management systems for all automotive OEMs and suppliers in the industry. It provides for an interdisciplinary approach focused on risk management, customer […]

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Using Laser Marking for Logos and Serial Numbers

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Products across multiple industries must meet label compliance standards, prompting more manufacturers to leverage laser marking to improve product traceability. Cutting-edge fiber laser marking and similar technologies now allow companies to literally make their mark on materials that would be difficult — if not impossible — to alter otherwise. Unlike screen printing or hand engraving, […]

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How Are Safety-Critical Car Parts Manufactured?

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While metal’s use is obvious in the manufacturing of exterior automotive parts — like car panels, hoods, and fenders — it is also used for hundreds of smaller, safety-critical interior components, as well. For example, did you know that metal components must be stamped or cold formed to properly restrain a car’s air bags? Or […]

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Rockwell, Brinell, and Vickers Metal Hardness Tests: What’s the Difference?

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Completing a hardness test is a critical step in qualifying metal parts; these tests determine the various properties of a specific metal, such as resistance to wear, toughness, and formability. Different test scales were created to assist engineers in selecting the appropriate metals and hardness for their specific application. To help you understand the different test […]

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Increased Military Spending Spurs Rise in Defense Technology Manufacturing

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With an increased focus on national security and a rise in military spending, defense-related technology is rapidly evolving both in scope and sophistication. The United States, the United Kingdom, Japan, France, Eastern Europe, North Korea, India, Saudi Arabia, China, Russia, South Korea, and the United Arab Emirates, among others, are all actively pursuing heightened defense […]

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Q&A with ESI’s President: Why More Aerospace Manufacturers Are Investing in Automation

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2017 is looking promising for the aerospace industry, driven by increasing military investments and a growing commercial/regional aircraft market. This forecast is increasing jobs and manufacturing work throughout the country, forcing aerospace manufacturers to rely more heavily on automation to complete high-volume projects. Manufacturers serving this industry are also increasingly investing in automated inspection equipment […]

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Inside ESI: How Our Manufacturing Equipment Works

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Committed to continual improvement, the team at ESI is constantly on the lookout for new equipment and processes that will ensure the highest-quality, fastest production — especially for the largest runs. To accomplish this, we’ve even custom-built a few machines of our own. You may have heard about our latest venture in 3D printing to […]

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How to Cut Costs from Your Stamped Metal Product’s Design


We’ve seen manufacturers go to great lengths to avoid high production costs — from settling for lower quality materials to avoiding much-needed secondary processes. The problem is that these methods generally lead to a completed part of lower quality, prone to breakage and malfunctioning. To achieve the highest quality stamped metal parts at acceptable costs, […]

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