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Forging Materials

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303

(UNS S30300) Austenitic Stainless steel, not hardenable by heat treatment. Was designed to exhibit improved machinability by adding sulfur. Has good mechanical and corrosion-resistant properties.

Chemistry

Element C Mn P S Si Cr Ni
303 0.15% max 2.00% max 0.20% max 0.15% min 1.00% max 17.00-19.00% 8.00-10.00%

Physical Constants

Density0.290 lb/in3
Density8.03 g/cm3

Heating

Forging1700ºF-2300ºF
Annealing1800ºF-2000ºF 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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