Type 303 Rounds

Type 303 Stainless Steel Round is a “18-8” chromium-nickel stainless steel modified by the addition of selenium or sulfur, as well as phosphorus, to improve machinability and non-seizing properties. It is the most readily machinable of all the chromium-nickel grades and has good corrosion resistance. It is non-magnetic in the annealed condition and cannot harden by heat treatment. It is manufactured by the electric-furnace process and meets the exacting requirements of the aircraft industry.

SPECIFICATION
AMS 5640, ASTM A 314, ASTM A 320, ASTM A 582.

APPLICATION
Used almost exclusively for parts requiring machining, grinding, or polishing where good corrosion resistance is also required, Its non-seizing and non-galling properties make it ideal for moving parts. Being austenitic steel, it is useful where low magnetic permeability is desired.

MACHINABILITY
Type 303 has considerably better machining characteristics than the other chromium-nickel grades. It has machinability rating of approximately 78% with 1212 rated 100%. Surface cutting speed on automatic screw machines is approximately 130 feet per minute.

WELDABILITY
This grade has only fair welding properties.

Item Size & Description
Weight (lbs.)/Ft
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Qty
Price
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Stainless Steel Round 303 - 1/8 Inch
0.04
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$6.79
Stainless Steel Round 303 - 3/16 Inch
0.09
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$7.15
Stainless Steel Round 303 - 7/32 Inch
0.12
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$7.40
Stainless Steel Round 303 - 1/4 Inch
0.16
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$7.66
Stainless Steel Round 303 - 5/16 Inch
0.26
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$10.91
Stainless Steel Round 303 - 1/2 Inch
0.66
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$13.74
Stainless Steel Round 303 - 9/16 Inch
0.84
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$18.86
Stainless Steel Round 303 - 5/8 Inch
1.04
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$20.24
Stainless Steel Round 303 - 13/16 Inch
1.76
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$25.25
Stainless Steel Round 303 - 7/8 Inch
2.12
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$27.77
Stainless Steel Round 303 - 1-1/8 Inches
3.37
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$35.67
Stainless Steel Round 303 - 1-1/4 Inches
4.17
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$41.99
Stainless Steel Round 303 - 1-3/8 Inches
5.05
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$48.07
Stainless Steel Round 303 - 1-1/2 Inches
6.01
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$54.76
Stainless Steel Round 303 - 1-5/8 Inches
7.05
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$66.82
Stainless Steel Round 303 - 1-7/8 Inches
9.38
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$84.67
Stainless Steel Round 303 - 2 Inches
10.69
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$93.72
Stainless Steel Round 303 - 2-1/2 Inches
16.70
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$135.49
Stainless Steel Round 303 - 2-3/4 Inches
20.21
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$166.35
Stainless Steel Round 303 - 3 Inches
24.05
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$193.01