alloy 825 = UNS N08810, is a thermally stabilized alloy which is resistant to both inorganic and organic acids. It has excellent resistance to oxidizing,
nonoxidizing hot acid conditions and at temperatures up to the boiling point it is resistant to many acids and alkaline solutions.
Specification:
Seamless Tubes: ASTM-B-423
Welded Tubes: ASTM-B-704/705
Plates/Sheets: ASTM-B-424
Bars: ASTM-B-425
Fittings: ASTM-B-366
Flange: ASTM-B-564
Specific weight: 8,14 kg/dm3
Melting range: 1370 - 1400° C
Welding methods: Arc welding, TIG, MIG, plasma, autogenous
welding (Details on request)
Note: Take care that the surface is cleaned
before welding
Machineability: Table on request
Corrosion resistance: Refer to table "Corrosion Data"
Product forms: Tubes and pipes, fittings, flanges, plates and
sheets, bars, forgings
Range of application: Techalloy 825 is employed for phosphoric acid
evaporators, picKLMing vats, plants for chemical
processing, propeller shafts, transportation
means for corrosive media etc.
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