Jiangyin City, July 29, 2024 — Jiangyin Longrun Flange Co., Ltd. is pleased to announce that our flanges made of duplex and super duplex steel materials have successfully passed the stringent certification of Bureau Veritas Marine & Offshore (BV).

EN10204-3.1 CERTIFICATION Long Run Flange has PED97/23/EC and AD2000 issued by TUV Rheinland, and all the pre-material of steel bar is also purchased from the PED and AD2000 approved manufacturer. We issue the 3.1 certification according to EN10204:2004EN10204 specifies the different types of inspec

ISO 3651-2Determination of resistance to intergranular corrosion of stainless steels- Part 2 Ferritic, austenitic and ferritic-austenitic (duplex) stainless steels- Corrosion test in media containing sulfuric acid This part of ISO 3651 specifies methods for the determination of the resistance to in