Cold-rolled-stainless-steel-coil-440A, annealed min. thickness 0.3mm width 250mm This high-carbon high-chromium martensitic stainless steel is designed to provide stainless properties with excellent hardness. It has moderate corrosion resistance as-annealed which has permitted its use in...
Cold-rolled-stainless-steel-coil-440A Chemical Composition
| Grade | C Max% | Si Max% | Mn Max% | P Max% | S Max% | Cr% | Mo% |
| 440A | 0.60-0.75 | 1 | 1 | 0.04 | 0.03 | 16-18 | 0.075 |
Cold-rolled-stainless-steel-coil-440A Mechanical Properties
| Tempering Temperature (°C) | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Rockwell (HR C) | Impact Charpy V (J) |
| Annealed* | 758 | 448 | 14 | 269HB max | – |
| 204 | 2030 | 1900 | 4 | 59 | 9 |
| 260 | 1960 | 1830 | 4 | 57 | 9 |
| 316 | 1860 | 1740 | 4 | 56 | 9 |
| 371 | 1790 | 1660 | 4 | 56 | 9 |
Cold-rolled-stainless-steel-coil-440A is a straight chromium martensitic stainless steel which combine the superior wear resistance of high carbon alloys with the excellent corrosion resistance of chromium stainless steels. It is magnetic in both the annealed and hardened conditions. Maximum corrosion resistance is attained only in the fully hardened condition.
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