OUR SERVICES
Services tailored to meet the needs of various industries
Testing
At Sigma, we partner with independent laboratories to ensure our materials meet your exact requirements. These labs provide a comprehensive range of testing services that include:
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Non-destructive testing
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Fracture mechanics
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Corrosion testing
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Metallography
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Chemical analysis
In addition, we conduct rigorous inspections on all incoming materials to uphold our quality standards. Our inspection process includes:
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Hardness testing
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Micrometer measurements (mic’ing)
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Dry magnetic particle testing (dry magging)
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Full traceability verification
With these measures, we guarantee the reliability and performance of every product we deliver.
Heat Treating
At Sigma, our long-standing relationships with trusted partners enable us to offer extensive heat-treating capabilities. Our services include water, oil, and polymer quenching, utilizing batch and continuous-line furnaces to accommodate a wide range of sizes. Additionally, we provide complementary services such as sandblasting and straightening, ensuring a complete solution for your material processing needs.
Machining
Sigma offers a comprehensive range of machining and finishing services, including turning, trepanning, boring, honing, gundrilling, off-center drilling, pull boring, pack boring, skiving, reaming, roller burnishing, Kelly/spiral milling, rough machining, straightening, and more. Whatever your needs, our advanced capabilities ensure precision and quality every step of the way.
Cutting
We offer cutting services tailored to your needs, including cut-to-length, splitting in half, and angle cutting, all with quick turnaround times to ensure timely delivery.
Cutting Types:
Type | Purpose | Description |
|---|---|---|
Laser Jet Cutting | Precision Shape Cutting | Precise cutting with a tolerance of +/-.010", does not alter mechanical properties |
Plasma Cutting | Rough Shape Cutting | Accurate within .250" but alters mechanical propertie |
Flame Cutting | Cut to Length, Rough Shape Cutting | Alters mechanical properties and not very accurate |
Saw Cutting | Cut to Length | Precise up to +/-.125" |