The Steel Supply Company

Buyers Guide

Bar Material Specification Stainless Steel 303 (Non-Magnetic)

Produced Per ASTM A-582

Chemical Composition Limits
Carbon 0.15 Max.
Chromium 17.00-19.00
Nickel 8.00-10.00
Manganese 2.00 Max.
Silicon 1.00: Max.
Phosphorous 0.20 Max.
Sulfur 0.15 Max.
Mechanical Properties of Stainless Steel 303
Tensile Strength, PSI 90,000
Tensile Strength, Mpa 620
Yield Strength, PSI 35,000
Yield Strength, Mpa 240
Elongation % 45
Reduction of Area % 50
Brinell Hardness 150

*Mpa is the abbreviation for Megapascals.

Stainless steel 303 is a free machining grade of stainless steel. It is non-magnetic and well adapted in many machining applications. Diameters stocked range from 1/8" through and including 5" diameter, and metric diameters from 6mm through and including 100mm diameter.


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