X22CrNi17, X23CrNi17, 1.2787 ESR - Martensitic stainless steel classified as a tool steel for hot working.
| Standard | Steel Grade | ||||||
|---|---|---|---|---|---|---|---|
| Chemical Composition % | |||||||
| C: | Mn: | Si: | P: | S: | Cr: | Ni: | |
| EN/DIN | X22CrNi17 - X23CrNi17 - 1.2787 | ||||||
| 0.10 - 0.25 | <1.0 | <1.0 | <0.035 | <0.035 | 15.5 - 18.0 | 1.0 - 2.5 | |
| NF | X21CrNi17 - Z21CN17 | ||||||
| 0.17 - 0.25 | <1.0 | <1.0 | - | - | 16.0 - 18.0 | 1.5 - 2.5 | |
X22CrNi17, X23CrNi17, 1.2787 - specifications and applications
Martensitic stainless steel similar to steel grades 2H17N2, X17CrNi16-2, 1.4057, classified as a tool steel. Available most often after electro-slag remelting - ESR, for the glass industry to high temperature glass molds and tools. Other applications are pump parts, shafts, blow moulds for plastic production.
Mechanical properties
- Similar to 2H17N2, 1.4057, X17CrNi16-2.
Heat treatment processes:
- Softening annealing at 680 - 750℃
- Relief annealing at 600 - 650℃
- Hardening at 1020 - 1050℃ with cooling in oil
- Tempering at 100 - 500℃