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Stainless Steel 420 Economiser
Grade420SKUSS-420-ECO
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ISO 9001
Stainless Steel 420 is a martensitic grade offering a combination of good corrosion resistance and hardness. The 'Economiser' variant is a cost-effective version ideal for applications where moderate corrosion resistance is acceptable. 420 stainless steel is commonly used for: • Cutlery and knife blades • Surgical instruments • Moulds and dies • Valve components • Shafts and pump parts This grade can be hardened by heat treatment to achieve a hardness of approximately 50 HRC.
| Element | Min % | Max % |
|---|---|---|
| Carbon (C) | 0.15% | 0.46% |
| Silicon (Si) | - | 1.0% |
| Manganese (Mn) | - | 1.0% |
| Chromium (Cr) | 12.0% | 14.0% |
| Phosphorus (P) | - | 0.040% |
| Sulphur (S) | - | 0.030% |
| Property | Value | Unit |
|---|---|---|
| Tensile Strength (Annealed) | 655 min | MPa |
| Yield Strength (Annealed) | 345 min | MPa |
| Elongation A5 (Annealed) | 20 min | % |
| Hardness (HRC) (Hardened) | 50 max | – |
| Standard | Grade |
|---|---|
| BS 970 | 420S29, 420S37, 420S45 |
| AISI/SAE | 420 |
| Werkstoff | 1.4028, 1.4034 |
| DIN | X30Cr13, X46Cr13 |
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