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  • Home
  • Technology
    • How PGNAA Works
    • Case Studies
    • Ferrous
    • Aluminum
    • Copper
    • Stainless
  • Resources
    • Steel Melt Calculator
    • End of Visual Inspection
    • Technical Papers
    • Sustainability
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Know the chemistry of the scrap you're melting. Before you melt it.

Know the chemistry of the scrap you're melting. Before you melt it.Know the chemistry of the scrap you're melting. Before you melt it.Know the chemistry of the scrap you're melting. Before you melt it.

In-line PGNAA analysis of recycled metals, on the belt, every minute. Built by a metallurgist who ran melts.

Talk to an Engineer
See How It Works

Know the chemistry of the scrap you're melting. Before you melt it.

Know the chemistry of the scrap you're melting. Before you melt it.Know the chemistry of the scrap you're melting. Before you melt it.Know the chemistry of the scrap you're melting. Before you melt it.

In-line PGNAA analysis of recycled metals, on the belt, every minute. Built by a metallurgist who ran melts.

Talk to an Engineer
See How It Works

Trusted by Major Steel Producers

Gamma-Tech analyzers are trusted by Hyundai Steel and Nucor, two of the world's leading steelmakers. 26M+ tons of recycled metal analyzed since 2003.

See Case Studies

Know What You're Melting

Industries Served

Ferrous / EAF Steel

Ferrous / EAF Steel

Ferrous / EAF Steel

Copper is the element that moves the money. Know it before it's in the bath.

Learn More

Aluminum

Ferrous / EAF Steel

Ferrous / EAF Steel

Iron-bearing intermetallics set the limit for wrought alloys. Measure them on the belt.

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Stainless Steel

Stainless Steel

Stainless Steel

Nickel and molybdenum set the price of every load. Measure them instead of guessing.

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Copper

Stainless Steel

Stainless Steel

Purity grade sets the price. Put a measured number on every load.

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Why It Matters

Same Grade, Different Copper

Measurement Is the Starting Line

Same Grade, Different Copper

Two loads of the same grade can carry nearly 4x the copper. Visual grading can't tell them apart. Full-stream measurement can.

The Dilution Tax

Measurement Is the Starting Line

Same Grade, Different Copper

When you can't see copper, you buy pig iron, DRI and prime scrap to bury it. Know the chemistry and stop paying to dilute residuals you can't see.

Measurement Is the Starting Line

Measurement Is the Starting Line

Measurement Is the Starting Line

Measurement is the starting line. You cannot control what you do not measure. Pile of shredded scrap

You can't control what you don't measure. Continuous chemistry turns scrap from a guess into a controlled input for every heat.

Real-Time Metal Analysis That Transforms Scrap Processing

The Gamma-Tech Cross-Belt Recycled Metals Analyzer (CBRM) uses Prompt Gamma Neutron Activation Analysis (PGNAA) to deliver continuous, real-time elemental measurements across the entire scrap stream. Neutrons penetrate the full depth of the material on the belt, and each element answers with its own gamma-ray signature. The result is a fresh analysis every minute, not a grab sample or a surface reading, so you can use it as a true process control tool for ferrous and non-ferrous operations.

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