Ultra ALLOY™ Stainless Steel GC Columns – Durable Metal Columns by Quadrex by QuadrexCorp Published: June 23, 2025 (2 weeks ago) Category Business Link https://quadrexcorp.com/our-products/ultra-alloy-stainless-steel-capillary-columns Discover high-performance stainless steel gas chromatographic columns at Quadrex Corporation. Our GC stainless steel columns offer superior strength, thermal stability, and reliability—ideal for demanding analytical applications.