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254 SMo Super SS Tube Pipe is a high-performance austenitic stainless steel tube known for its exceptional resistance to pitting and crevice corrosion in chloride-rich environments such as seawater. With excellent weldability, high strength, and cost-effectiveness compared to nickel alloys and titanium, it is ideal for demanding marine, chemical, and industrial applications.
254 SMo Super SS Tube Pipe (also recognized as UNS S31254, 1.4547, or X1CrNiMoCuN 20 18 7) is a top-tier austenitic stainless steel specially formulated to resist severe corrosion in environments rich in chlorides. Its 6-7% molybdenum content makes it highly resistant to pitting, crevice corrosion, and general corrosion often encountered in seawater, brackish water, and industrial chemical settings.
This stainless steel tube offers a robust combination of mechanical strength (yield strength approx. 300 MPa and tensile strength up to 650 MPa) and excellent fabrication properties including weldability, making it suitable for critical piping, tubing, and heat exchanger applications.
Common uses of 254 SMo stainless steel pipes include seawater cooling systems, ballast water systems, pulp bleaching plants, flue gas desulfurization scrubbers, chemical tanks, and desalination equipment. Compared to alternatives like super duplex stainless steels, nickel-based alloys, and titanium, 254 SMO provides a cost-effective and reliable option while offering a wider temperature range and ease of fabrication.
It meets international standards such as ASTM, DIN, UNS, and EN, ensuring consistent quality and performance for demanding industrial and marine applications. Whether you need tubing for hydraulic instrumentation or corrosion-resistant pipelines, 254 SMo Super SS Tube Pipe delivers superior durability and longevity.
