303 Stainless Steel

Shapes Available

  • Coil
  • Flat Bar
  • Hex Bar
  • Pipe
  • Round Bar
  • Sheet

Industries

  • Manufacturing
  • Natural Gas
  • Oil Refining
  • Wind Power

Industry Names

  • 303 Stainless
  • 303

Material

  • Stainless Steel

Specifications

  • AMS 5640 Type 1
  • ASTM A582
  • UNS S30300

Applications

  • Food Industry Applications
  • Shafts
  • Valve Bodies

Features

  • Good Corrosion Resistance
  • Great Machinability

303 Stainless Steel is a free machining austenitic stainless steel. With the addition of sulfur, this non-magnetic stainless steel allows for smooth, high speed machining. 303 has good corrosion resistance and is used for applications that must have a good deal of machining.

303 stainless steel comes in the following shapes: round bar, flat bar, hex bar, sheet, pipe, and coil. For more information about 300 series stainless steels check out this video on Austenitic Stainless Steel or watch below:

Please contact us to request a quote. We specialize in hard to find material.

We work closely with many manufacturers in the aerospace & defense industry. We work with NADCAP approved heat treaters and testing laboratories. We can supply DFARS compliant material.

Call us now! 847-272-3240 Request a Quote Now
Metal Properties
PropertyValue
Electrical Resistivity 433 Ohms (circ mil./ft.)
Melting Range 2550-2590 °F
Poisson's Ratio 0.3
.2% Yield Strength 35 ksi
Density .285 lb/inch³
Elongation 50 %
Hardness Max, Brinell 160
Ultimate Tensile Strength 90 ksi
Chemical Composition
ElementMinMax
C- .15
Cr17.0 19.0
Fe- Bal
Mn- 2.0
Mo- .6
Ni8.0 10.5
P- .045
S.15
Si- 1.0
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