Ferralium Coupling Nuts Specification

Ferralium Coupling Nuts manufactured at TorqBolt are resistant to crevice corrosion and pitting with a combination of high chromium, molybdenum and nitrogen.Dimensional standards as per DIN 439B, DIN 6334, ISO 898-2, DIN 3871 and DIN 8434-1 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. Ferralium Coupling Nuts are available in hot forged,cold forged and bar stock machined conditions depending upon the order quantity.

Ferralium Coupling Nuts Equivalent Designation

UNS DesignationBritish STDWerkstoff No.European STDSwedish STDJapanese STDForging
S329501.4507X2CrNiMoCuN25-6-3Sa 182 F61

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