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Forging Materials

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Alloy 800HT

(UNS N08811) Nickel-iron-chromium alloy. Has high strength and resistant to high temperature corrosion. Has higher creep rupture strength than alloy 800.


Element C Mn S Si Cr Ni Cu Al Ti
Alloy 800HT 0.06-0.10 1.50 max 0.015 max 1.0 max 19.0-23.0 30.0-35.0 0.75 max 0.25-0.60 0.25-0.60

Physical Constants

Density0.287 lbs/in3
Density7.94 g/cm3


Forging1600ºF min 2200ºF

Viking Forging Parameters

Rings18" O.D. max.80 lbs.
Sleeves18" O.D. max.80 lbs.
Disks16" Dia. max.80 lbs.
Round Bar7.5" Dia. X 63" long800 lbs.
Square/Rectangular Bar7.5" Square max. X 63" long800 lbs.
Blocks80 lbs max.
Shafts7.5" Dia. max. X 63" long800 lbs.

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