654 SMO UNS S32654 1.4652 Super-Austenitic Forgings for Seawater, Bleaching & Acid Service Valve Stems, Pump Shafts, Rings Wellhead Parts

Product Description

Jiangsu Liangyi is an ISO 9001:2015-certified forging manufacturer in China supplying 654 SMO / UNS S32654 / W.Nr. 1.4652 (highest-PREN super-austenitic stainless) open-die forgings, seamless rolled rings and valve/oilfield parts to seawater, desalination, pulp-and-paper, flue-gas and oil & gas projects in India and worldwide, to ASTM A240 / A479 and ASME SB.

Why 654 SMO / UNS S32654 for Indian seawater and extreme-chloride projects

654 SMO is a 7+Mo / high-nitrogen super-austenitic stainless with the highest pitting resistance of any austenitic stainless (PREN 56, CPT 85 C), outperforming 316L, 2205 and 254 SMO and approaching nickel alloys. For India's seawater, desalination, pulp/bleaching, FGD and oil & gas sectors, S32654 suits valve stems, pump shafts, wellhead and pressure-vessel forgings and rings.

Documented capability

Seawater/marine: seawater pump/valve forgings, valve stems, shafts, rings.

Pulp & paper/bleaching: chlorine-dioxide equipment forgings, shafts, valve/pump parts.

Flue-gas/scrubbers/chemical: FGD scrubber forgings, vessels, tube sheets, nozzles, rings.

Oil & gas: wellhead equipment, valve stems, pump shafts, pressure-vessel/ring forgings.

Product range for Indian buyers

Forged bars (to 2 m dia), step shafts; seamless rolled rings gear/valve-body/flange/bearing/contoured rings (to 6 m OD); shafts, valve stems; pump shafts, turbine parts; tube sheets, discs; wellhead and pressure-vessel forgings.

Material data

Chemistry (ASTM A240, wt%): Cr 24.025.0, Ni 21.023.0, Mo 7.08.0, N 0.450.55, Cu 0.5, Mn 2.04.0, C 0.020; PREN 56. Tensile 750 MPa; density 8.00; solution anneal 1,150 C + water quench. Sold commercially as 654 SMO (Outokumpu trademark).

Standards & quality

Manufactured to ASTM A182 / A240 / A479, ASME SB; EAF + VOD-ESR melting; 100% UT + PT; CPT/G48 on request; EN 10204-3.1 / 3.2.

Commercial & logistics

MOQ 1 piece; lead time 36 weeks; 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; grade names indicate the material supplied. 654 SMO is a trademark of Outokumpu, used only as a grade name.