Incoloy 825 UNS N08825 2.4858 Alloy 825 Forging Parts for Oil and Gas, Chemical, Nuclear Wellhead Parts, Valve Bodies, Rolled Rings and Tube Sheets to NACE MR0175 Jiangsu Liangyi

Product Description

Jiangsu Liangyi is an ISO 9001:2015-certified nickel-alloy forging manufacturer in China supplying Incoloy 825 / UNS N08825 / W.Nr. 2.4858 (NiCr21Mo / Alloy 825) open-die forgings and seamless rolled rings to oil & gas, chemical, refinery, nuclear and marine projects in India and worldwide, to ASTM B424 / B564 and EN/DIN 2.4858.

Why Incoloy 825 / 2.4858 for Indian oil & gas, chemical and power projects

Incoloy 825 is an austenitic Ni-Fe-Cr alloy (42Ni-21Cr-22Fe + Mo/Cu/Ti) with outstanding resistance to sulfuric and phosphoric acids, practical immunity to chloride SCC, and qualification for HS/CO sour service to NACE MR0175. For India's sour gas, refinery, fertiliser (phosphoric/sulfuric acid) and power projects, N08825 suits wellhead and Christmas-tree parts, acid piping and vessels, pickling equipment, and heat-exchanger tube sheets.

Documented deliveries

Oil & gas (Middle East): casing heads, tubing spools and Christmas-tree parts, 6+ years HPHT sour service, NACE MR0175.

Chemical (Southeast Asia): acid piping, vessels and pickling-tank heaters maintenance 40%, 3 life vs stainless.

Nuclear (China): RCP casings, impellers and seal chambers for a 1000 MW PWR.

Marine (Europe): DNV propeller shafts and exhaust parts for a cruise-ship project.

Product range for Indian buyers

Round/square/flat/hollow bars and shafts; seamless rolled rings; valve bodies, balls, bonnets, stems, seat rings; pump casings, impellers, shafts; discs, blocks, plates, tube sheets, baffle plates, nozzles; flanges and wellhead parts.

Material data

Chemistry (ASTM B424, wt%): Ni 3846, Cr 19.523.5, Fe 22, Mo 2.53.5, Cu 1.53.0, Ti 0.61.2. Properties (annealed): Rm 690 MPa, yield 320 MPa, elongation 45%, density 8.14 g/cm, non-magnetic. Solution annealed 940980 C, water quench.

Standards & quality

Manufactured to ASTM B424 / B564, EN/DIN 2.4858, API 6A and NACE MR0175 / ISO 15156; 100% UT (EN 10308) + MT; EN 10204-3.1 / 3.2 MTRs; third-party inspection (SGS/BV/TV/Intertek) on request. Incoloy 825, UNS N08825 and W.Nr. 2.4858 are the same grade.

Commercial & logistics

Lead time 2035 days standard / 1015 days simple geometries; FOB Shanghai/Tianjin / CIF to Nhava Sheva, Mundra, Chennai, Kandla, Visakhapatnam; seaworthy VCI packing.

Enquire with Jiangsu Liangyi: sales@jnmtforgedparts.com +86-13585067993 Jiangyin, Jiangsu, China.

Incoloy is a registered trademark of Special Metals Corporation. Jiangsu Liangyi is an independent manufacturer; grade names indicate the material supplied.