UNS S32550 Ferralium 255 Alloy 255 Copper Super Duplex Forgings for Seawater, Marine and Acid Service Flanges, Shafts and Bars Jiangsu Liangyi

Product Description

Jiangsu Liangyi is an ISO 9001:2015-certified forging manufacturer in China supplying UNS S32550 / Ferralium 255 (Alloy 255) open-die forgings, rings, flanges and bars to seawater, marine, oil-and-gas and acid-process projects in India and worldwide, to ASTM A182 F61 / A479.

Why S32550 / Ferralium 255 for Indian severe-service projects

S32550 is a copper-bearing super duplex stainless high strength (double austenitic), PREN 40 chloride pitting/crevice/SCC resistance, plus copper-enhanced resistance in reducing acids like sulphuric. For India's desalination/seawater, marine, offshore oil-and-gas and chemical/acid sectors, it suits pumps, valves, shafts, flanges and process equipment.

Documented capability

Seawater/marine: equipment components, pump/valve bodies, shafts, impellers.

Oil/gas/offshore: parts, flanges, fittings.

Acid/chemical: process equipment (reducing-acid service via copper).

General: flanges, rings, discs, hubs, sleeves, bars.

Product range for Indian buyers

Forged seawater and marine equipment components; oil-and-gas and offshore parts; pump and valve bodies, shafts and impellers; acid and chemical process equipment; flanges, rings, discs, hubs, sleeves; round/square/flat/rectangular bars.

Material data

Chemistry (UNS S32550, wt%): C 0.04, Cr 24.027.0, Ni 4.56.5, Mo 2.93.9, Cu 1.52.5, N 0.100.25. PREN 40; solution anneal 10501120 C + rapid water quench. Commonly Ferralium 255; closely related 1.4507 / S32520.

Standards & quality

Manufactured to ASTM A182 F61 / A240 / A479; EAF + AOD/VOD melting; 100% UT + PT; full chemistry; ferrite / pitting (ASTM G48) testing on request; EN 10204-3.1 / 3.2.

Commercial & logistics

Lead time by project; FOB Shanghai / CIF to Nhava Sheva, Mundra, Chennai, Kandla, Visakhapatnam.

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

Jiangsu Liangyi is an independent manufacturer; designations indicate the material supplied.