Incoloy Seamless Tubes

Seamless Incoloy tube is supplied in five grades — Incoloy 800, 800H, 800HT, 825 and 925 — covering OD 6–257 mm and wall thickness 0.5–35 mm. Governing specifications: ASTM B407 / ASME SB407 for 800, 800H and 800HT; ASTM B163 for 825 heat-exchanger tube (OD up to 76.2 mm, larger sizes to B423/B829); ASTM B983 for 925. NDT, PMI and EN 10204 3.1 certification are provided when specified in the purchase order.Grade selection guideGradeUNSKey characteristicTypical serviceIncoloy 800N08800General oxidation and carburization resistanceProcess heating, heat exchangers to 593 °CIncoloy 800HN08810Controlled carbon (0.05–0.10%) for creep rupture strengthPetrochemical furnaces, long-term high-temperature serviceIncoloy 800HTN08811Aluminium + titanium 0.85–1.20% for higher creep strengthFurnace components, ethylene pyrolysis tubesIncoloy 825N08825Titanium-stabilized; resists sulfuric and phosphoric acidChemical processing, offshore and acid handlingIncoloy 925N09925Age-hardenable; resists sulfide stress crackingSour-gas wells, downhole tools, marine fastenersRequest a quotationSend the size range, governing standard and inspection requirements — you will receive a written quotation stating the specification edition, delivery condition, documents included and lead time.