AISI 321 by Taashvi Special Alloys
AISI 321 is a new stainless steel variation from Taashvi Special Alloys that is well-known for its remarkable stability at high temperatures and resistance to corrosion. This alloy is an austenitic stainless steel stabilized with titanium that has several beneficial qualities for a range of industrial uses. AISI 321 is a great option for applications in the chemical processing, automotive, and aerospace industries since it can withstand extended exposure to high temperatures.
Key points about AISI 321 by Taashvi Special Alloys:
01 Corrosion Resistance: In a variety of conditions, AISI 321 demonstrates exceptional resistance to corrosion, particularly against intergranular corrosion.
02 Stability at high temperatures: This alloy is appropriate for applications involving heat exposure since it maintains its mechanical qualities even at high temperatures.
03 Weldability: AISI 321 has good weldability and is easily shaped into various shapes without losing its ability to withstand corrosion.
04 Chemical Composition: Its exceptional qualities are mainly attributed to iron, chromium, nickel, and titanium.
05 Versatile Applications: Because of its durability in challenging circumstances, the alloy finds application in a wide range of industries, including aircraft components, furnace parts, exhaust systems, and chemical processing equipment.
In what forms is Aisi 321 Available at Taashvi Special Alloys?
- Sheet
- Plate
- Bar
- Pipe & Tube
- Forging
- Fasteners
- Flanges
- Fittings
- Weld Wire (AWS Classifications: ER347, ER321 and E347, E321)
What are the characteristics of Aisi 321?
- Oxidation resistant to 1600°F
- Stabilized against weld heat affected zone (HAZ) intergranular corrosion
- Resists polythionic acid stress corrosion cracking
Chemical Composition, %
| Cr | Ni | Mo | Ti | C | Mn | Si | P | S | N | Fe | |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
MIN |
17.0 |
9.0 |
- |
5x(C+N) |
- |
- |
0.25 |
- |
- |
- |
- |
|
MAX |
19.0 |
12.0 |
0.75 |
0.70 |
0.08 |
2.0 |
1.0 |
0.045 |
0.03 |
0.1 |
Bal |
In what applications is Aisi 321 used?
- Aircraft piston engine manifolds
- Expansion joints
- Thermal oxidizers
- Refinery equipment
- High temperature chemical process equipment
- Food Processing
Mechanical Properties
Average Elevated Temperature Tensile Properties
| Temperature, °F | Ultimate Tensile Strength, ksi | .2% Yield Strength, ksi |
|---|---|---|
|
68 |
93.3 |
36.5 |
|
400 |
73.6 |
36.6 |
|
800 |
69.5 |
29.7 |
|
1000 |
63.5 |
27.4 |
|
1200 |
52.3 |
24.5 |
|
1350 |
39.3 |
22.8 |
|
1500 |
26.4 |
18.6 |
Coil / Sheet /Plate Specification
Dimensions : ASTM, ASME, AISI, DIN, BIS
Thickness : 0.50mm - 100mm
Size : 1000 mm x 2000mm, 1220mm x 2440mm, 4' x 8', 1250mm x 2500mm, 1500mm x 3000mm to 6000mm, 2000mm x 4000mm to 6000mm
Finish : Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Form : Shim Sheet, Perforated Sheet, Profile Cut,
Seamless & Welded Pipes & Tubes Specification
Specification : ASTM, ASME, DIN, NFA, JIS.
Thickness : 4.0mm - 100mm.
Pipe Size : 1/8” NB to 24” NB, 1/4” OD to 24” OD sizes.
Tube Size : 1/2" OD to 8" OD.
Length : Cut length, Fix length, Single Random, Double Random & Required Length.
Form : Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pancake Coils, Hydraulic Tubes.
End : Plain End, Beveled End, Threaded End.
Type : Seamless & Welded Pipes & Tubes.
Round Bar Specification
Dimensions : ASTM, ASME,AISI, API.
Size : 5 mm to 500 mm
Length : from 2.00mm to 6.35mm (0.078" to 0.25") dia.
Finish : Bright, Black, Polish, Forged
Form : Round Bar, Square, Hexagon
Condition : Cold Drawn & Polished Cold Drawn, Centerless Ground Bars & Polished
Other Services : Machining (CNC), Centerless Grinding (CG), Heat Treatment, Annealing, Pickling, Polish, Rolling, Forging, Cutting, Bending, Minor Fabrication
Seamless & Welded Pipes & Tubes Fittings Specification
Specification : ASTM, ASME, DIN, NFA, JIS.
Size : 1/8” NB to 24” NB, 1/4” OD to 24” OD sizes.
Form : Elbow, Tee, Reducer, Stub End, End Cap, Pipe Nipple, Weldolet,
End : Beveled End, Threaded. Plain End,
Type : Seamless & Welded Pipe & Tubes Fittings, Buttweld Fittings & Dairy Fittings.
