Installed case · Pipe and profile mill
Exquis T4 Pro OES for a steel tube mill in Brazil
A Brazilian manufacturer of steel pipes and structural profiles commissioned an Exquis T4 Pro for material certification across carbon, alloy and stainless steel.
- Market
- Brazil · steel pipe and structural profile manufacturing
- Commissioned
- June 2026
- Product
- Exquis T4 Pro Optical Emission Spectrometer
- Application
- Raw-material and finished-tube quality inspection against Brazilian industrial material certification requirements.
Challenge
- Continuous production inspection demanded analytical stability over long runs, not just accuracy on a single spark.
- Carbon steel, alloy steel and stainless steel all had to be certified on the same instrument.
- Material certification for pipe production required trace-level results, not indicative readings.
What was installed
- Exquis T4 Pro with a sealed circulating-argon optical chamber and high-precision CMOS full-spectrum detection.
- Digital high-energy pre-burn excitation: a full analysis in 20–30 seconds per specimen, covering 25+ elements including C, Si, Mn, P, S, Cr, Ni, Mo and Cu.
- Calibration set covering carbon steel, alloy steel and stainless steel raw material and finished tubular products.
Outcome
- The instrument entered formal quality-inspection service after commissioning.
- One instrument now certifies raw material and finished product across three steel families.
- ppm-level trace analysis supports the material certification the mill has to issue with its pipe.
Related pages
Buyer questions
What does the sealed circulating-argon chamber change?
It keeps the optical path under a controlled argon atmosphere without a vacuum pump, which holds analytical stability through long continuous inspection runs and keeps argon consumption down.
How many elements can be read in one spark?
On the T4 Pro, 25+ elements simultaneously in 20–30 seconds, including the light elements C, S and P that XRF cannot measure.
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