Stainless 303
General
Stainless steel 303 is one of the most popular of all the free machining stainless steels. It offers good strength, corrosion resistance and great machinability. It is used in an incredibly wide variety of parts both in screw and general machining industries. Applications include hardware, fasteners, valve parts, nozzles and trim.
Chemical Composition
|
|
C |
Mn |
Ni |
Si |
Cr |
S |
P |
Fe |
Mo |
|
|
|
Min % |
– |
– |
8.00 |
– |
17.00 |
– |
– |
Bal. |
– |
|
|
|
Max % |
0.15 |
2.00 |
10.00 |
1.00 |
19.00 |
0.15 |
0.20 |
– |
0.60 |
|
|
|
Other Elements |
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Mechanical Properties
|
|
MPA |
% |
|
Tensile Strength. |
621. |
|
|
Yield Strength (0.2% offset) |
241 |
|
|
Elongation in 2” (50mm) or 4D |
|
50 |
|
Reduction of Area, min |
|
|
|
|
|
|
|
Hardness |
83 HRB |
|
Alternative Designations
|
AISI 303 AMS 5640 (TYPE 1) ASTM A194 (303, 8F, 8FA) ASTM A276 ASTM A314 ASTM A320 ASTM A473 ASTM A581 ASTM A582 ASTM A895 DIN 1.4305 UNS S30300
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The data contained in this publication is for informational purposes only and may be revised at any time without prior notice. The data is believed to be accurate and reliable, but Hague Fasteners Limited makes no representation or warranty of any kind (express or implied) and assumes no liability with respect to the accuracy or completeness of the information contained herein. Although the data is believed to be representative of the product, the actual characteristics or performance of the product may vary from what is shown in this publication. Nothing contained in this publication should be construed as guaranteeing the product for a particular use or application.