This series of grades give the highest level of strength/hardness in any martensitic stainless steel. Consequently, they are used where a basic level of corrosion resistance is required coupled with high wear resistance or blade sharpness. They are usually supplied in the annealed condition for improved machinability and then hardened and tempered to develop the high hardness.
Product Description
| Material Grade | Stainless Steel 440B (UNS UNS S44003) |
| Size | 0.3-20mm, or as request |
| Standard | ASTM / ASME SA A276, A479, ASTM A484 |
| Surface | Black, Bright, Peeled, Polished, Ground |
Application | Bearings, valves, knife blades, surgical instruments, tools, moulds, dies. |
Characteristics |
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Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Ni |
| 440B | 0.6 - 0.75 | 1.00 max | 1.00 max | 0.04 max | 0.030 max | 16.00 - 18.00 | - |
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