AISI 317 UNS S31700 High Mo Austenitic Stainless Forgings for Chemical, Pulp Paper and FGD Service Flanges, Valves and Bars Jiangsu Liangyi

Product Description

Jiangsu Liangyi is an ISO 9001:2015-certified forging manufacturer in China supplying AISI 317 / UNS S31700 open-die forgings, rings, flanges and bars to chemical, pulp/paper, FGD and process projects in India and worldwide, to ASTM A182 / A240.

Why AISI 317 / S31700 for Indian chemical and pulp/paper projects

317 is a high-molybdenum (34% Mo) austenitic stainless the step up from 316 with better pitting and crevice-corrosion resistance in acids and chlorides plus good elevated-temperature strength. For India's chemical, pulp/paper, FGD and process sectors, it suits flanges, valves, pumps, reactor and heat-exchanger components.

Documented capability

Chemical/petrochemical: flanges, valve bodies, pump components, reactor/vessel nozzles and internals.

Pulp/paper/FGD: bleach-service components, FGD equipment parts.

Heat exchangers: tubesheets, channels, process components.

General: seal/guide rings, bars, discs, hubs, sleeves, custom forgings.

Product range for Indian buyers

Forged chemical and petrochemical flanges, valve bodies and pump components; pulp and paper (bleach) equipment parts; FGD components; reactor and vessel nozzles and internals; heat-exchanger tubesheets and channels; seal/guide rings; round/square/flat/rectangular bars; discs, hubs, sleeves.

Material data

Chemistry (UNS S31700 / A182 F317, wt%): C 0.08, Cr 18.020.0, Ni 11.015.0, Mo 3.04.0, N 0.10. Solution anneal 10501120 C + water quench. Base grade of the 317 family (317L / 317LN / 317LMN derivatives).

Standards & quality

Manufactured to ASTM A182 / A240; EAF + AOD/VOD melting; 100% UT + PT; full chemistry; pitting/corrosion 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.