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Product Introduction
CNB provides ASTM A270 sanitary stainless steel tubes for the food, dairy, and pharmaceutical industries. Our welded and seamless tubes (304L, 316L) are supplied in bright annealed (BA) finish with OD from 12.7mm to 219mm, meeting 3‑A sanitary standards. We control internal weld bead height to ensure CIP cleanability and perform 100% hydrostatic testing. Custom bending into serpentine coils and U‑tubes for heat exchangers is available.