321 Stainless Round Bar Stock
321 Stainless has excellent corrosion resistance properties.
321 Stainless
321 Stainless is an excellent choice for high-temperature applications due to its average austenitic composition.
It is a typical austenitic 18/8 chromium-nickel alloy with titanium added. Moreover, because it has been subjected to high temperatures, it has developed a high level of resistance to intergranular corrosion. Intergranular corrosion is less likely to occur because of the titanium’s strengthening effect on the material. That is why 321 is chosen as the stainless steel of choice for applications that require up to 900° C.
O'Hare 321 Stainless
O’Hare Precision Metals can provide a wide range of company-supplied or customer-supplied components and materials. Just like how we can offer you the best 321 Stainless bar stocks and 321 Stainless round bar stocks in O’Hare!
Machinability & Welding
Cold working is the only method of hardening 321 stainless. Heat treatment is not an option. It is easily welded using any standard procedure, and it does not require any post-weld annealing after the welding process. 321 Stainless is ductile, which means it can be formed with relative ease. When used in chloride solutions, 321 has excellent corrosion resistance, especially against dilute organic acids; however, it is susceptible to pitting and crevice corrosion, making it unsuitable for these applications.
Applications
Chemical Processing, polythionic acid service, and thermal oxidizers are some of the many applications of 321 Stainless.
Properties
Tensile strength
Elongation
Hardness, Brinell
Proof Stress
515 MPa
A5 40%
217
0.2% 205 MPa
Chemical Properties
Chromium
Carbon
Nickel
Manganese
Phosphorus
Sulphur
Silicon
17.00 – 19.00
0.08
9.00 – 12.00
2.00
0.045
0.030
0.75
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- O’Hare Precision Metals, LLC. 2404 W. Hamilton Rd. Arlington Heights, IL 60005
- Tel: (847) 640-6050
- (Lines open Monday to Friday 9:00am – 5:00pm CST)
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