ASTM ASME TDS2101 Stainless Steel Pipes & Tubes

ASTM/ASME LDX 2101 (UNS S32101) Stainless Steel Pipes & Tubes are lean duplex grade products conforming to ASTM A790/A928 standards, featuring a nitrogen-enhanced chromium (21-22%) and manganese (4-6%) composition with reduced nickel content (1.35-1.70%) for cost-effective corrosion resistance and double the yield strength (≥450 MPa) of standard 304/316 grades. This economically optimized duplex alloy delivers superior resistance to stress corrosion cracking and pitting (PREN ≥26) in chloride environments, making it ideal for structural components, water treatment systems, and industrial process equipment where both mechanical performance and moderate corrosion resistance are required. The balanced ferrite-austenite microstructure provides good weldability and thermal conductivity up to 300°C (572°F), offering a nickel-saving alternative to conventional stainless steels for applications like chemical transport, desalination plants, and architectural structures exposed to marine atmospheres, though with reduced low-temperature toughness compared to standard duplex grades.