Execution Standard | Gawo la ZEICIN | GB | AISI | JIS | DIN |
---|---|---|---|---|---|
GB/T9943-2008 | M2 | W6Mo5Cr4V2 | M2 | SKH51 | 1.3343 |
Chithunzi cha ASTM A681 | C | Si | Mn | P | S | Cr | Mo | V | W |
M2/ T11302 | 0.78~0.88 | 0.20~0.45 | 0.15~0.40 | 0.030 Max | 0.030 Max | 3.75~4.50 | 4.50~5.50 | 1.75~2.20 | 5.50~6.75 |
Mtengo wa 17350 | C | Si | Mn | P | S | Cr | Mo | V | W |
1.3343/ S6-5-2 | 0.86~0.94 | ≤0.45 | ≤0.40 | 0.030 Max | 0.030 Max | 3.80~4.50 | 4.70~5.20 | 1.70~2.00 | 6.00~6.70 |
GB/T 9943 | C | Si | Mn | P | S | Cr | Mo | V | W |
W6Mo5Cr4V2 | 0.80~0.90 | 0.20~0.45 | 0.15~0.40 | 0.030 Max | 0.030 Max | 3.80~4.40 | 4.50~5.50 | 1.75~2.20 | 5.50~6.75 |
Chithunzi cha JIS G4403 | C | Si | Mn | P | S | Cr | Mo | V | W |
SKH51/SKH9 | 0.80~0.88 | ≤0.45 | ≤0.40 | 0.030 Max | 0.030 Max | 3.80~4.50 | 4.70~5.20 | 5.90~6.70 | 1.70~2.10 |
Kuuma, Rockwell C (kupsa mtima pa 621 ° C, kuzimitsidwa pa 1204 ° C): 62 HRC.
Kuuma, Rockwell C (kutsekedwa pa 1204 ° C) ): 65 HRC
Zopangidwa ndi M2 HSS Steel zitsuloPoyamba, Pre-Kutentha kwa 650-750 ℃,Kenako kutentha kwa kutentha kwachinyengo. Zilowerereni pa 1204 ° C, onetsetsani kutentha kwambiri. Kenako yambani kunyengedwa, kutentha kwanyengo sikutsika kuposa 950 ℃. Pambuyo pokonza, kuziziritsa pang'onopang'ono.
Poyamba, Pang'onopang'ono kutentha kwa 871 ℃, ndiye pang'onopang'ono Kuzizira mpaka 538 ℃ (1000 ℉) mu ng'anjo yochizira kutentha. Ndiye kuziziritsa mu mpweya. Pambuyo pa kuuma kwa HBS: 255 Max.
Chitsulo cha M2 chokhala ndi kuuma kwambiri ndipo chiyenera kuumitsidwa ndi kuzizira mumpweya wokhazikika. Kugwiritsa ntchito madzi osambira amchere kapena ng'anjo yoyendetsedwa ndi mpweya ndikofunikira kuti muchepetse kutenthedwa, ndipo ngati palibe, kuuma kwa paketi mu phula lomwe lagwiritsidwa ntchito kumaperekedwa.
Kuzimitsa kutentha / ℃ | ng'anjo yosambira yamchere: 1204
Kuzimitsa kutentha / ℃ | ng'anjo yoyendetsedwa ndi mpweya: 1216
Nthawi yosungira kutentha/min: 5 ~ 15
Kuzimitsa: Kuziziritsa mafuta
Kulimba: 65 HRc Min
Kutentha kwapakati / ℃ : 540-564
Pambuyo pakutentha kwa HRC kapena kupitilira apo: 65 Min