9Cr18 ne440C mhando dzese dzesimbi isina ngura inonzi martensitic stainless steel, zvinoreva kuti dzose dzakaomarara nekupisa uye dzinozivikanwa nekusimba kwadzo uye kuramba ngura.
9Cr18 uye440Cdziri muboka resimbi dzisina ngura dzemartensitic, dzinozivikanwa nekuoma kwadzo kwakanyanya uye kuramba kupfeka mushure mekudzima, zvichiita kuti dzikwanise kushandiswa pakuoma kwakanyanya. Zvinhu zvese izvi zvinogona kusvika padanho rekuoma kweHRC60° zvichikwira mushure mekupiswa. 9Cr18 inozivikanwa nekuwanda kwayo kwekabhoni nechromium, zvichiita kuti ive yakanaka kugadzira zvinhu zvinosakara zvakanyanya, zvinorema, uye nzvimbo dzisingakanganisi, senge zvikamu zvevharuvhu yekudzora otomatiki. Zvisinei, inogona kuoxidation kana yasangana nemvura kana utsi hwemvura, zvichiita kuti ishandiswe munzvimbo umo kusangana nehunyoro kunoderedzwa.
Kusiyana kwemakemikari
| Giredhi | C | Cr | Mn | Si | P | S | Ni | Mo |
| 9Cr18 | 0.95-1.2 | 17.0-19.0 | 1.0 | 1.0 | 0.035 | 0.030 | 0.60 | 0.75 |
| 440C | 0.95-1.2 | 16.0-18.0 | 1.0 | 1.0 | 0.040 | 0.030 | 0.60 | 0.75 |
Muchidimbu,440C simbi isina ngurainowanzopa kuomarara kwakanyanya uye kuramba ngura kuri nani zvishoma zvichienzaniswa ne9Cr18, asi zvese zviri zviviri zvakakodzera kushandiswa kwakasiyana-siyana uko kushanda kwepamusoro uye kugara kwenguva refu kwakakosha.
Nguva yekutumira: Kubvumbi-02-2024