Yuav ua li cas txiav txim siab qhov zoo ntawm txoj saw hlau? Tsuas yog saib ntawm qhov chaw tsis txhim khu kev qha. Cov txheej txheem tsim khoom thiab kev tshuaj xyuas nruj yog qhov lav rau kev tsim cov saw hlau zoo.
GT ua rau cov txheej txheem tsim khoom pom tseeb, tso cai rau cov neeg siv khoom nkag siab txog cov txheej txheem tsim khoom tag nrho ntawm txoj saw hlau, yog li cov neeg siv khoom tuaj yeem siv nws yooj yim. Ua tus khub koom tes txhim khu kev qha rau cov neeg siv khoom
| Kev piav qhia |
| Txoj kev ua kom tawv nto | Qhov tawv ntawm qhov chaw（HRC) | Txoj kev ua kom tawv nqaij tsawg | Khoom siv tawv（Hrc) | Qhov tob ntawm kev ua kom tawv (hli) | Khoom Siv Qis (Tuam Tshoj) |
| Tus pin khiav | Rau lub tsheb laij teb | Nruab nrab zaus hardening | 55～59 | Kev Quenching thiab Tempering | 31～37 | P=171～190 3.0～5.0 P = 190 4.0～6.0 | 40Cr |
| Tus pin khiav | Rau cov neeg khawb av | Nruab nrab zaus hardening | 55～59 | Kev Quenching thiab Tempering | 31～37 | P=171～190 3.0～5.0 P = 190 4.0～6.0 | 40Cr |
| Taug qab hav txwv yeem | Rau lub tsheb laij teb | Nruab nrab zaus hardening | 54～58 | Kev Quenching thiab Tempering | 28～38 | P=171～216 3.6～5.0 & 2.7～4.0 P = 228 4.7～6.2 & 3.0～4.7 | 40Cr |
| Taug qab hav txwv yeem | Rau cov neeg khawb av | Nruab nrab zaus hardening | 54～58 | Kev Quenching thiab Tempering | 28～38 | P=171～216 3.6～5.0 & 2.7～4.0 P = 228 4.7～6.2 & 3.0～4.7 | 40Cr |
| Txuas mus rau qhov chaw | Rau lub tsheb laij teb | Nruab nrab zaus hardening | 50～56 | Kev Quenching thiab Tempering | 33～38 | P=171～175 5.0～10.0 P = 190～216 7.0～12.0 P = 228 11.0～15.0 | 35MNBHS |
| Txuas mus rau qhov chaw | Rau cov neeg khawb av | Nruab nrab zaus hardening | 50～56 | Kev Quenching thiab Tempering | 33～38 | P=171～175 5.0～10.0 P = 190～228 7.0～12.0 | 35MNBHS |
Lub sijhawm tshaj tawm: Lub Yim Hli-31-2022
