In the dairy industry, hygiene and corrosion resistance are paramount. AISI 316L welded stainless steel pipe has become the standard choice for transporting milk, cream, and other dairy products. This low-carbon austenitic grade offers superior resistance to pitting and crevice corrosion, especially in chloride-rich environments like those found during cleaning with acidic or alkaline sanitizers.

The “L” designation (low carbon, max 0.03%) minimizes carbide precipitation during welding, preserving intergranular corrosion resistance. This makes welded pipes as reliable as seamless ones, but more cost-effective and available in longer, consistent lengths. The weld seam, when properly processed through methods like orbital TIG welding under inert gas, produces a smooth, bead-free interior surface. This eliminates bacterial hiding spots and meets 3A sanitary standards.

316L’s non-reactive surface prevents product contamination, while its mechanical strength withstands high-pressure CIP (clean-in-place) and SIP (sterilize-in-place) cycles. Routine passivation maintains a protective oxide layer. For dairy processors, this pipe ensures product purity, reduced downtime, and long service life, making it an indispensable component in milking parlors, cheese vats, and pasteurization lines.