Stainless Steel 310 (SS310) pipes are high-chromium, high-nickel austenitic stainless steel conduits built for extreme heat and corrosion resistance. They conform to standard specifications like ASTM A312 and feature sizes from 1/8' to 30' NB with wall thicknesses matching SCH 5S to XXS. [1, 2, 3] Chemical Composition • Chromium (Cr): 24.0% – 26.0% • Nickel (Ni): 19.0% – 22.0% • Carbon (C): Max 0.25% (Standard 310) or Max 0.08% (310S low-carbon variant) • Manganese (Mn): Max 2.0% • Silicon (Si): Max 1.5% • Phosphorus (P) & Sulfur (S): Trace limits [2, 3, 4, 5, 6] Mechanical Properties • Tensile Strength: ~515 MPa • Yield Strength (0.2% Offset): ~205 MPa • Elongation: 40% minimum • Hardness: Max HB 217 / Rockwell B 95 [3, 7, 8] Dimensions and Standards • Specifications: ASTM A312, ASTM A358 (Welded), ASTM A213 • Size Range: 1/8” NB to 30” NB (Seamless), up to 100” NB (EFW) • Schedules: SCH 5, 10, 40, 80, 160, STD, XS, XXS • Types: Seamless, ERW, Welded, Fabricated [1, 3, 9, 10, 11] If you need help further, please tell me:Are you looking for Seamless or Welded types?What is your required size, schedule, or operating temperature?

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