EN 1.4021 vs. EN 1.4028 Stainless Steel: What's the Difference?
May 30, 2025
Hagyjon üzenetet
EN 1.4021 (X20Cr13) and EN 1.4028 (X30Cr13) are both martensitic stainless steels, primarily alloyed with chromium, and known for their strength, moderate corrosion resistance, and ability to be hardened by heat treatment. However, there are important differences that affect their applications and performance.
EN 1.4021 vs. EN 1.4028 Stainless Steel: Chemical Composition Comparison
| EN 1.4021 (X20Cr13) | EN 1.4028 (X30Cr13) | |
|---|---|---|
| 0.16–0.25% | 0.26–0.35% | |
| 12.0–14.0% | 12.5–14.5% | |
| <= 1.00% | <= 1.00% | |
| <= 1.00% | <= 1.00% | |
| <= 0.040% | <= 0.040% | |
| <= 0.030% | <= 0.030% |
EN 1.4021 vs. EN 1.4028 Stainless Steel: Mechanical Properties (Quenched & Tempered)
| EN 1.4021 | EN 1.4028 | |
|---|---|---|
| 700–950 MPa | 800–1100 MPa | |
| >= 450 MPa | >= 550 MPa | |
| <= 260 | <= 290 | |
| Elongation (A5) | >= 15% | >= 10% |
EN 1.4021 vs. EN 1.4028 Stainless Steel: Applications
| EN 1.4021 | EN 1.4028 |
|---|---|
| High-wear mechanical parts | |
