VDM Alloy 31 Plus® (2.4692/N08034)

VDM Alloy 31 Plus® is a nickel-iron-chromium-molybdenum alloy with a controlled addition of nitrogen.

Characteristics of VDM Alloy 31 Plus®

VDM Alloy 31 Plus® (2.4692/N08034) is characterized by:

High corrosion resistance, similar to that of VDM® Alloy 31 and at least on a par with VDM® Alloy 625
Excellent corrosion resistance to sulfuric acids
Excellent corrosion resistance to phosphoric acids
Excellent resistance to pitting, crevice and stress corrosion cracking
Easy to process
Extraordinary weldability
High mechanical strength in the cold-worked condition
High resistance to hydrogen embrittlement in both the solution-annealed and work-hardened conditions

The material features an approval for pressure vessels according to ASME Code Section VIII Div 1; Section VIII Div 2, Class 1 applications.

Applications of VDM Alloy 31 Plus®

Typical fields of application for VDM Alloy 31 Plus® are:

Chemical processes with sulfuric acid
Treatment of sulfuric acids from waste
Oil and gas industries, particularly for deep-sea and high-pressure drilling
Bolts for use in chloride-containing environments
Mechanically Lined Pipes (MLP)
Components for flue gas desulfurization plants
Cladded vessels
Plants for the production of phosphoric acid via the wet digestion process
Seawater and brackish water applications
Evaporation and crystallization of salts
Pickling plants for sulfuric acid and for nitric-hydrofluoric acid
Hydrometallurgy, e.g. digestion of laterite ores in the HPAL process
Fine chemicals, special chemicals and organic acids
Components for the cellulose and paper industry
Marine scrubber / ship diesel scrubber
Longitudinally welded pipes for waste incineration
Cladding material in thermal waste incineration

Available product forms

VDM Alloy 31 Plus® (2.4692/N08034) is available in the product forms of plate, strip and bar, as well as a welding filler metal marketed under the name VDM® FM 31 Plus. You will find a detailed list about available product forms and dimensions of VDM Alloy 31 Plus® (2.4692/N08034) in our data sheet.

Download Data Sheet