AISI 321 Stainless Steel
AISI 321 Stainless Steel
Buy Austenitic Stainless Steel 321 bolts, nuts and other fasteners from Boltport, an Indian manufacturer & supplier of Austenitic Stainless Steel 321 bolting materials to ASTM B446, B564, F467, F468, UNS N06321, DIN EN 2.4856, AMS 5666 and BS 3076 specifications with properties adequate for high strength, corrosion resistant and high temperature applications up to 1000º C (1800º F).
Boltport fasteners offer Austenitic Stainless Steel 321 bolts and nuts with standard and custom manufacturing to your specification. We covers Austenitic Stainless Steel 321 hex bolts, studs, stud bolts, hex nuts, washers, threaded rod and other fastener in metric and inch sizes with coarse, fine and extra fine threads to ASME, UN, BS, ISO and DIN standards.
AISI 321 Specifications
- ASTM B446 / ASME SB446
- ASTM B443 / ASME SB443
- ASTM B564 / ASME SB564
- ASTM F467 / F467M
- ASTM F468 / F468M
- AMS 5666
- BS 3076
- AISI 321
- UNS N06321
- DIN / EN / Werkstoff No. 2.4856
AISI 321 Properties
| Chemical Composition | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Elements | C | Mn | P | S | Si | Cr | Ni | Ti | |||||
| Min % | - | - | - | - | - | 17.0 | 9.0 | 5 x (C + N) | |||||
| Max % | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 19.0 | 12.0 | 0.70 | |||||
| Mechanical Properties | ||||
|---|---|---|---|---|
| Ultimate Tensile, ksi [MPa] | Yield Strength Offset, ksi [MPa] | Elongation, % | Reduction Of Area, % | Hardness |
| 75 [515] | 30 [205] | 40 | 50 | - |
* Properties extracted from ASTM A276/A276M Material Specification
AISI 321 Characteristics
- Excellent resistance to chloride pitting and crevice corrosion cracking
- Immune to Chloride ion stress corrosion
- Maintains high strength at elevated temperatures
- Resistant to sea water, in both flowing and stagnant condition
- Heat resistant
AISI 321 Applications
- Marine engineering
- Furnaces & gas turbines
- Chemical processing plants
- Boiler & pressure vessels
- Nuclear power plants