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Forging Materials

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440CVM

(UNS S44000) 440CVM Consumable electrode vacuum melted (AMS 5618) A premium aircraft-quality corrosion resistant, martensitic stainless steel. Typically used for anit-friction bearing components.

Chemistry

Element C Mn P S Si Cr Ni Cu Mo
440CVM 0.95-12.0% 1.00% max. 0.020% max. 0.010% max. 1.00% max. 16.00-18.00% 0.75% max. 0.50% max. 0.40-0.65%

Physical Constants

Density7.62 lbs/in3
Density7.62 g/cm3

Heating

Forgingpreheat 1400-1500ºF, forge 1900-2100ºF
Annealing1550-1600ºF cool slowly
Austenize1850-1950ºF quench in warm oil or air

Viking Forging Parameters

Rings24" O.D. X 8" long500 lbs.
Sleeves24" max.500 lbs.
Disks24" Dia. X 4" long500 lbs.
Round Bar9.5" Dia. X 96" long2000 lbs.
Square/Rectangular Bar9.5" Square X 96" long2000 lbs.
Blocks11.5" X 11.5" X 11.5"500 lbs.
Shafts9.5" Dia.max. X 96" long2000 lbs.

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