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Forging Materials

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(UNS G52986) Deep hardening alloy with good rolling contact fatigue strength at temperatures below 400ºF. This material is produced by the vacuum-arc remelting process for improved cleanliness and internal soundness.


Element C Mn Si Cr
52100VAR 1.05% 0.35% 0.30% 1.50%

Physical Constants

Density0.282 lb/in3
Density7.80 g/cm3


Forging1950ºF-2100ºF no less than 1700ºF
Normalizing1650ºF-1700ºF Air cool

Viking Forging Parameters

Rings24" O.D. X 6" long500 lbs.
Sleeves16" O.D. X 12" long500 lbs.
Disks26" Dia. X 6.5" long500 lbs.
Round Bar12" Dia. X 96" long2600 lbs.
Square/Rectangular Bar12" Square X 96" long2600 lbs.
Blocks14" X 14" X 14"750 lbs.
Shafts12" Dia. X 96" long2600 lbs.

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