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LECO Carbon, Sulfur, Oxygen, Nitrogen & Hydrogen Analysis for Metals, Minerals, and Ores

Metals, Minerals & Ores Analysis for Mining and Metallurgical Laboratories

Carbon, Sulfur, Oxygen, Nitrogen & Hydrogen Analysis for Metals, Minerals, and Ores

In the highly demanding world of metals, minerals, and ores, every detail matters. From the elemental makeup of raw ores to the precise composition of refined metals, obtaining fast, accurate, and reproducible data is essential for ensuring quality, efficiency, and meeting compliance with stringent standards.

At LECO, we turn complex material analysis into clear, actionable results. Our advanced instrumentation and trusted technologies empower mining labs, steel mills, and foundries to optimize processes and validate materials across the entire lifecycle—from raw materials characterization to finished metal certification.

Get rid of guesswork with our line of metallographic instruments, built to adequately prepare your samples for in-depth, accurate analyses. Our sectioning machines, mounting presses, grinder/polishers, hardness testers, and metallographic microscopes enable clear visualization of grains, phases, inclusions, and defects, supporting quality control and process optimization across a wide range of materials.

We deliver precise determination of critical elements including carbon, sulfur, oxygen, nitrogen, and hydrogen (C/S/O/N/H). Trust LECO’s flagship solutions—including our CS/ONH Analyzers (like the CS844 or ONH836), and Glow Discharge Spectrometers (GDS950)—for industry-leading reliability and compliance with ASTM and ISO standards.

Join the global community of professionals who rely on LECO to drive performance and innovation in their metallurgical and mining workflows. Scroll below to explore our featured instruments and access technical resources tailored to your specific material challenges.

Anwendungshinweise

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Carbon and Sulfur in Fluorspar using CS844

Surface contamination on the sample can cause significant errors in the analytical data; therefore, care must be taken to ensure a clean, representative sample is analyzed. Solid samples should be crushed to a uniform mesh size prior to analysis.
jet engine titanium

Bestimmung von Wasserstoff in reaktiven und hochschmelzenden Metallen

This guide outlines the importance of monitoring interstitial oxygen, nitrogen, and hydrogen in refractory alloys to maintain material integrity. It details industry-standard sample preparation and analytical techniques using LECO fusion systems to detect gas levels that directly impact alloy ductility and surface hardness.
Stahlgießer beim Gießen von Gusseisen

Analyse von Gusseisen

Cast irons are a major family of ferrous alloys containing percentage levels of carbon and silicon. Alloying elements such as chromium and nickel enhance the physical properties of the metal while the structure maintains a rich carbon phase. Whether the objective is to improve the strength, abrasion resistance, corrosion resistance, or another characteristic of the…
chrome-plated automobile hubcap

Massenanalyse von niedrig legierten, Cr-Mo, Automaten- und Austenitischen Hochmanganstählen

Chemical composition is essential for accurate steel identification and classification, as mechanical properties alone cannot reliably distinguish alloy types. Using the LECO GDS900, producers can determine iron, carbon, alloying elements such as chromium, nickel, manganese, vanadium, and molybdenum, as well as modifiers like sulfur and lead. The glow discharge source minimizes metallurgical history effects, reduces…
LECO Metals, Minerals, & Ores, webinar image

Massen-Kohlenstoffgradient in Einsatzstahl mittels GDS900

This application note demonstrates how the LECO GDS900 can be utilized to characterize carburized steel using the ® standard low alloy steel method for bulk analysis. First, an unprepared surface is analyzed to a depth of approximately 100 μm. Next, successive layers are removed by “precision” grinding 100 μm at a time and performing analysis…
Legierungsmetallstäbe

Vergleich von Argon und Helium als Trägergas für die ONH-Analyse von Legierungen

This study evaluates the simultaneous determination of oxygen, nitrogen, and hydrogen in iron, steel, and specialty alloys using the ONH836. It provides a detailed comparison of argon and helium carrier gases while outlining critical sampling protocols to prevent hydrogen loss.
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