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Forging Materials

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(UNS S31700) A chromium-nickel austenitic stainless steel. Has good corrosion resistance and high tensile and creep strength at elevated temperatures. 317 can not be hardened by heat treatment. 317 can be hardened by cold working only.


Element C Mn P S Si Cr Ni Mo N
317 0.08% max 2.00% max 0.045% 0.030% 0.75% max 18.00-20.00% 11.00-15.00% 3.00-4.00% 0.10%

Physical Constants

Density0.298 lbs/in3
Density8.03 g/cm3


Forging2100-2200ºF Finish 1700-1750ºF
Annealing1900-2150ºF then water 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 X 96" long2600 lbs.
Blocks14" X 14" X 14"750 lbs.
Shafts12" Dia. max X 96" long2600 lbs.

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