Quality

Our Quality Standards are the highest in the industry because we demand it. Quality doesn’t just happen, it requires constant, deliberate, focused vigilance. And that is what SIGMA OEM promises, each and every day.

All
Batch and heat number on each part
Equipment
Test parts

Micro-Lug

Coordinate Measuring Machine

Spectrometer

Heat Code

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Micro-Lug

The Micro-Lug, like SIGMA OEM components, adheres to the most stringent quality assurance protocols in the industry. SIGMA OEM employees, including engineers, quality assurance experts and technicians, work onsite at all factories to provide continuous oversight, ongoing technical support and frequent inspections.
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Coordinate Measuring Machine

The CMM, Coordinate Measuring Machine, is just one of the Quality Assurance processes employed by SIGMA OEM to ensure that our products are the safest and most reliable on the market.
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Spectrometer

The Spectrometer is another instrument used by SIGMA OEM to achieve precision and quality at the highest level.
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Heat Code

All SIGMA OEM parts are stamped with Heat Codes for traceability.
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Heat Code

SIGMA OEM’s unique Heat Code ensures that all parts can be traced by batch, foundry, and date of fabrication for maximum quality assurance and safety.
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Heat Code

In addition to the heat code, Every new SIGMA OEM part receives a First Article Inspection (FAI) Approval before shipping, and we offer 100% MTR (Material Test Report) traceability verification. We also provide CMM Inspections. SIGMA OEM has the capability to comply with PPAP (Production Part Approval Process), the stringent manufacturer/supplier approval process that certifies parts before, during and after production.