The Applied Technical Services Family of Companies (ATS FoC) performs Jominy hardenability testing to measure how steel responds to heat treatment. The test evaluates hardness changes along a quenched sample, providing a clear picture of how deeply a material can harden. This information supports confident material selection and helps our clients predict how steel will behave in demanding environments. The data is straightforward, practical, and valuable for both design and production planning.
Why Jominy Hardenability Testing Is Important
Reliable hardenability data helps prevent uneven hardness, premature wear, and unexpected failures, supporting long‑term product performance. By using ATS’ Jominy hardenability testing services early in development, companies reduce risk and improve process stability. The service is a practical way to verify that a chosen steel grade will meet the demands of its intended application. Hardenability influences several factors, including:
- Strength
- Wear resistance
- Long‑term reliability
When steel does not harden as expected, parts may show uneven performance or reduced durability. These issues can lead to rework, delays, or unexpected failures. Jominy hardenability testing with ATS and SGS helps prevent those outcomes by providing dependable insight into how a steel grade will respond during heat treatment. With accurate data, our clients can refine processes and reduce uncertainty.
How Can Hardenability Data Improve Designs?
Engineering teams use hardenability data to make more confident design decisions and reduce uncertainty during development. The Jominy test shows how steel responds to heat treatment, which helps engineers predict strength, wear resistance, and long‑term performance, guiding the selection of more suitable steel grades, part geometry adjustments, heat‑treating requirements refinements before production begins. By working with clear hardenability information, engineers create components that perform consistently and meet project requirements.
Jominy Hardenability Testing at ATS and SGS
ATS and SGS deliver Jominy hardenability testing with unparalleled precision and consistency. Our ISO 9001:2015-registered, ISO/IEC 17025:2017-accredited laboratories are staffed by certified hardenability testing experts who follow recognized standards and use calibrated equipment to ensure reliable results, providing our clients with clear, actionable data. Clients receive structured reports that outline hardness values along the quenched surface and present the information in an easy‑to‑interpret format. ATS is committed to supporting informed decision‑making at every stage of production.
Our Hardenability Testing Clients
Many industries rely on our Jominy testing services’ data to maintain quality and performance. Our clients include:
- Automotive manufacturers
- Industrial equipment producers
- Oil and gas operators
- Heat‑treating shops
- Engineering firms
Our Jominy hardenability testing services help reduce risk and improve confidence in their material choices.
Contact Us
For comprehensive Jominy testing services from the proven hardenability testing experts at ATS and SGS, contact us today by submitting a web request form on this page or calling +1 (888) 287-5227.

