Grade 321 / 321H
- Typical industrial sectors:
- Chemical Industry
- Oil and Gas
- Storage Tanks
- Aviation & Aerospace
Grade
Type | Grade | EN Steel Number | UNS |
---|---|---|---|
Austenitic | 321 | 1.4878 | S32100 |
Austenitic | 321H | 1.4541 | S32109 |
Properties
Typical chemical and mechanical properties of Type 321 and Type 321H steel:
Chemical Analysis (%) | PREN | Mechanical Properties | ||||||
---|---|---|---|---|---|---|---|---|
C | Cr | Ni | Mo | Proof Stress | Tensile | Elongation | ||
321 | .004 | 17.3 | 9.1 | - | 19 | 250 | 515-730 | 40 |
321H | .005 | 18.5 | 9.5 | - | 19 | 250 | 515-700 | 40 |