{"id":18250,"date":"2026-09-13T20:39:54","date_gmt":"2026-09-13T12:39:54","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=18250"},"modified":"2026-10-21T11:23:50","modified_gmt":"2026-10-21T03:23:50","slug":"tool-steel-hot-hardness-chart","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/tool-steel-hot-hardness-chart\/","title":{"rendered":"\uacf5\uad6c\uac15 \uace0\uc628 \uacbd\ub3c4 \ucc28\ud2b8 (315-650\u00b0C\uc5d0\uc11c\uc758 HRC)"},"content":{"rendered":"

\uacf5\uad6c\uac15 \uace0\uc628 \uacbd\ub3c4 \ucc28\ud2b8<\/h1>\n\n\n\n

\uace0\uc628 \uacbd\ub3c4 — \uace0\uc628\uc5d0\uc11c \uce21\uc815\ud55c \ub85c\ud06c\uc6f0 C \uacbd\ub3c4<\/a> — \uc120\uc815\ub41c \uace0\uc18d\ub3c4\uac15 \ubc0f \uae08\ud615\uac15\uc5d0 \ub300\ud55c \uac83\uc785\ub2c8\ub2e4. \ud45c\ub294 \uc2dc\ud5d8 \uc628\ub3c4\uac00 \uc0c1\uc2b9\ud568\uc5d0 \ub530\ub77c \uacbd\ub3c4\uac00 \uc5b4\ub5bb\uac8c \uc800\ud558\ub418\ub294\uc9c0\ub97c \ubcf4\uc5ec\uc8fc\uba70, \uc5f4\uac04 \uac00\uacf5 \ubc0f \uace0\uc18d\ub3c4 \uc6a9\ub3c4\uc5d0\uc11c \uac01 \uac15\uc885\uc758 \uc801\uc5f4 \uacbd\ub3c4\ub97c \uc21c\uc704\ud654\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

AISI<\/th>\uc0c1\uc628<\/th>315 °C (600 °F)<\/th>425 °C (800 °F)<\/th>540 °C (1000 °F)<\/th>650 °C (1200 °F)<\/th><\/tr><\/thead>
\uace0\uc18d \uacf5\uad6c\uac15<\/td><\/tr>
M1<\/a><\/td>65<\/td>61<\/td>58<\/td>54<\/td>32<\/td><\/tr>
M2<\/td>65<\/td>62<\/td>59<\/td>55<\/td>36<\/td><\/tr>
M3, \ud074\ub798\uc2a4 1<\/td>65<\/td>63<\/td>60<\/td>56<\/td>36<\/td><\/tr>
M3, 2\ub4f1\uae09<\/td>65<\/td>63<\/td>60<\/td>56<\/td>36<\/td><\/tr>
M4<\/a><\/td>66<\/td>63<\/td>60<\/td>56<\/td>37<\/td><\/tr>
M7<\/td>65<\/td>61<\/td>58<\/td>54<\/td>35<\/td><\/tr>
M10<\/td>65<\/td>60<\/td>57<\/td>52<\/td>33<\/td><\/tr>
M30<\/td>65<\/td>63<\/td>58<\/td>55<\/td>35<\/td><\/tr>
M33<\/td>65<\/td>64<\/td>60<\/td>57<\/td>40<\/td><\/tr>
M36<\/td>65<\/td>64<\/td>60<\/td>57<\/td>40<\/td><\/tr>
M42<\/td>68<\/td>66<\/td>65<\/td>62<\/td>44<\/td><\/tr>
M50<\/td>64<\/td>59<\/td>57<\/td>52<\/td>—<\/td><\/tr>
M52<\/td>64<\/td>60<\/td>57<\/td>53<\/td>—<\/td><\/tr>
T1<\/td>65<\/td>61<\/td>57<\/td>53<\/td>33<\/td><\/tr>
T4<\/td>65<\/td>61<\/td>59<\/td>55<\/td>38<\/td><\/tr>
T5<\/td>66<\/td>62<\/td>60<\/td>56<\/td>40<\/td><\/tr>
T15<\/td>68<\/td>64<\/td>61<\/td>57<\/td>42<\/td><\/tr>
\ub0c9\uac04 \uae08\ud615\uac15<\/td><\/tr>
A2<\/td>60<\/td>52<\/td>46<\/td>35<\/td>—<\/td><\/tr>
A8<\/td>58<\/td>55<\/td>52<\/td>45<\/td>—<\/td><\/tr>
D2<\/td>60<\/td>53<\/td>47<\/td>38<\/td>—<\/td><\/tr>
D4<\/td>62<\/td>52<\/td>46<\/td>37<\/td>—<\/td><\/tr>
\uc5f4\uac04 \uae08\ud615\uac15<\/td><\/tr>
H11<\/td>54<\/td>49<\/td>47<\/td>42<\/td>22<\/td><\/tr>
H12<\/a><\/td>54<\/td>49<\/td>47<\/td>42<\/td>22<\/td><\/tr>
H13<\/td>55<\/td>49<\/td>47<\/td>42<\/td>22<\/td><\/tr>
H19<\/a><\/td>54<\/td>51<\/td>47<\/td>42<\/td>31<\/td><\/tr>
H21<\/td>54<\/td>52<\/td>49<\/td>45<\/td>29<\/td><\/tr>
H23<\/td>41<\/td>32<\/td>30<\/td>28<\/td>25<\/td><\/tr>
H26<\/td>58<\/td>54<\/td>50<\/td>46<\/td>31<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n