Type 303 is "18-8" chromium-nickel stainless steel modified by the addition of selenium or sulphur, as well as phosphorus, to improve machinability and non- seizing properties. It is the most readily machinable of all the chromium-nickel arades and has good corrosion resistance It is non-magnetic in the annealed condition and not hardenable by heat treatment. Tensile strength and hardness can be increased by cold working. It is manufactured by the electric-furnace process and meets the exacting requirements of the aircraft industry.

UNS S30300. S30323

Color Marking
Type 303Se
Annealed Bars: Ends painted Purple
High Tensile Bars (Condition B): Ends painted Brown

Stock Lengths 10' to 12'
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Size

Estimated Weight per Foot

Estimated Weight 12-Ft. Bar

N/A 7.657 lb N/A 91.89 lb
N/A 1.276 lb N/A 15.31 lb
N/A 1.702 lb N/A 20.42 lb
N/A 2.127 lb N/A 25.52 lb
N/A 2.552 lb N/A 30.63 lb
N/A 2.978 lb N/A 35.73 lb
N/A 3.403 lb N/A 40.84 lb
N/A 4.254 lb N/A 51.05 lb
N/A 5.105 lb N/A 61.26 lb
N/A 5.956 lb N/A 71.47 lb
N/A 6.806 lb N/A 81 68 lb
N/A 7.657 lb N/A 91.89 lb
N/A 8.508 lb N/A 102.1 lb
N/A 10.21 lb N/A 122.5 lb
N/A 1.595 lb N/A 19.14 lb
N/A 2.127 lb N/A 25.52 lb
N/A 2.659 lb N/A 31.91 lb
N/A 3.191 lb N/A 38.29 lb
N/A 4.254 lb N/A 51.05 lb
N/A 5.318 lb N/A 63.81 lb
N/A 6.381 lb N/A 76.57 lb
N/A 8.508 lb N/A 102.1 lb
N/A 10.64 lb N/A 127.6 lb
N/A 12.76 lb N/A 153.1 lb
N/A 2.552 lb N/A 30.63 lb
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