Alloy 321 Stainless Steel Round Tube

Alloy 321 (UNS S32100) is titanium stabilized austenitic stainless steel tube with good general corrosion resistance. It has excellent resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range of 800 - 1500°F (427 - 816°C). The alloy resists oxidation to 1500°F (816°C) and has higher creep and stress rupture properties than alloys 304 and 304L. It also possesses good low temperature toughness.
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Product Details

Alloy 321 Stainless Steel Round Tube

Material : Alloy 321
Single Piece Length : 3 meter, 6 meter
End : Beveled End, Plain End
Usage : Chemical plant equipment Aerospace applications Musical instruments.
Shape : Round

Range : 6.35 mm OD upto 254 mm OD in 0.6 TO 20 mm thickness


Common Applications of 321

· Aircraft exhaust stacks

· Manifolds

· Chemical processing equipment

· Welded equipment

· Jet engine parts

321 Chemical Composition

Element

Percent by Weight

C

Carbon

8.00%

Mn

Manganese

200.00%

P

Phosphorus

4.50%

S

Sulfur

0.03

Si

Silicon

75.00%

Cr

Chromium

17.00-19.00

Ni

Nickel

9.00-12.00

Ti

Titanium

5x(C+N) min to 0.70 max

N

Nitrogen

0.1

Fe

Iron

Balance


Alloy 321 stainless steel pipe cannot be hardened by heat treatment, only by cold working. It can be easily welded and processed by standard shop fabrication practices.

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