S31803 Flange Rings Specification

S31803 Flange Rings manufactured at TorqBolt UNS equivalent of 31803, resistant to corrosion with a combination of chromium, molybdenum and nitrogen with restricted chemical composition as compared to 2205.Dimensional standards as per DIN 471, DIN 472, DIN 5417, DIN 983, AS 568, BS 1806, ISO 3601 and DIN 3771 are provided.
The raw material of these fasteners is classified as Duplex Stainless Steel. Being a PED certified Fasteners Manufacturer by TUV Rheinland,our fasteners are accompanied with EN 10204 3.1/3.2 certification. S31803 Flange Rings are available in hot forged,cold forged and bar stock machined conditions depending upon the order quantity.

S31803 Flange Rings Equivalent Designation

UNS DesignationBritish STDWerkstoff No.European STDSwedish STDJapanese STDForging
S31803318S131.4470X2CrNiMoN22-5-32377SUS 329J3LSa 182 F51

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