About SIGMA TUBE & BAR, LLC
Sigma Tube Bar is a steel distributor based in Houston, TX, specializing in mechanical tubing and bar products for the oilfield. The company emphasizes quality, service, and experience, with certifications such as ISO 9001:2015 and API Q1.
Supply of round bars, square blocks, hot finished tubing, cold drawn tubing, and stainless steel productsCustom sizes and materials for diverse industry standardsTesting services including non-destructive testing, fracture mechanics, corrosion testing, metallography, and chemical analysisSame day deliveries and quick quotesHandling of special requests
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