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Forging Materials

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D6AC

(UNS K24728) D6AC is a medium carbon low alloy steel with very high strength. D6AC ultimate tensile strength can be as high as approximately 280,00 psi. D6AC has a high yield to tensile strength ratio and good ductility. See Viking's material page for our forging capabilities with D6AC steel

Chemistry

Element C Mn Si Cr Ni Mo
D6AC 0.46% 0.75% 0.25% 1.10% 0.60% 1.00%

Physical Constants

Density0.284 lbs/in3
Density7.87 g/cm3

Heating

Forging2000-2250ºF
Annealing1500-1550ºF furnace cool
Tempering300-1200ºF depends on desired hardness
Austenize1550-1650ºF oil or salt quench

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 max. X 96" long2600 lbs.
Blocks14" X 14" X 14" 750 lbs.
Shafts12" Dia. max X 96" long2600 lbs.

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