{"id":20826,"date":"2026-10-03T16:45:04","date_gmt":"2026-10-03T08:45:04","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=20826"},"modified":"2026-10-16T16:07:21","modified_gmt":"2026-10-16T08:07:21","slug":"l-series-s-series-tool-steel-properties","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/l-series-s-series-tool-steel-properties\/","title":{"rendered":"L \uc2dc\ub9ac\uc988 \ubc0f S \uc2dc\ub9ac\uc988 \uacf5\uad6c\uac15 \ud2b9\uc131, \uc5b4\ub2d0\ub9c1 \ubc0f \uacbd\ud654"},"content":{"rendered":"

L \uc2dc\ub9ac\uc988 \ubc0f S \uc2dc\ub9ac\uc988 \uacf5\uad6c\uac15 \ud2b9\uc131, \uc5b4\ub2d0\ub9c1 \ubc0f \uacbd\ud654<\/h1>\n\n\n\n

L \uc2dc\ub9ac\uc988\uc640 S \uc2dc\ub9ac\uc988\ub294 \ub0b4\ub9c8\ubaa8\uc131\uc774\ub098 \uace0\uc628 \uacbd\ub3c4\ubcf4\ub2e4\ub294 \uac15\ub3c4\uc640 \ub0b4\ucda9\uaca9\uc131\uc744 \uc704\ud574 \uad6c\ub9e4\ub418\ub294 \ub450 \uac00\uc9c0 \uacf5\uad6c\uac15 \uadf8\ub8f9\uc785\ub2c8\ub2e4. L\uc740 \uc800\ud569\uae08 \ud2b9\uc218 \ubaa9\uc801 \uadf8\ub8f9\uc774\uace0, S\ub294 \ub0b4\ucda9\uaca9 \uadf8\ub8f9\uc774\uba70, \ub458 \ub2e4 \ub9c8\ucc30\ubcf4\ub2e4\ub294 \ucda9\uaca9\uc744 \ubc1b\ub294 \ubd80\ud488\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4: \uc815, \ud380\uce58, \ub9ac\ubcb3 \uc138\ud2b8, \uc804\ub2e8 \ub0a0, \uc544\ubc84, \ucea0, \ucc99 \ubc0f \ucf5c\ub9bf. \uc774 \ud398\uc774\uc9c0\ub294 \ud604\uc7ac \uc0c1\uc5c5\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \ub4f1\uae09\uc758 \uacf5\ud45c\ub41c \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \uc5b4\ub2d0\ub9c1 \uc0c1\ud0dc \ubc0f \uac01 \ud15c\ud37c\ub9c1 \uc628\ub3c4\uc5d0\uc11c \uc81c\uacf5\ud558\ubbc0\ub85c, \uc791\uc5c5\uc5d0 \ud544\uc694\ud55c \uacbd\ub3c4\uc5d0\uc11c\uc758 \uac15\ub3c4\uc640 \uc778\uc131\uc744 \ud568\uaed8 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

L \uadf8\ub8f9, \uc800\ud569\uae08 \ud2b9\uc218 \ubaa9\uc801 \uac15<\/h2>\n\n\n\n

L \uadf8\ub8f9 \uac15\uc740 \uc18c\ub7c9\uc758 \ud06c\ub86c, \ubc14\ub098\ub4d0, \ub2c8\ucf08 \ubc0f \ubab0\ub9ac\ube0c\ub374\uc744 \ud568\uc720\ud558\uba70, \uc774 \uadf8\ub8f9\uc5d0\ub294 \ud55c\ub54c 7\uac1c\uc758 \ub4f1\uae09\uc774 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. L2\uc640 L6 \ub450 \uac00\uc9c0 \ub9cc\uc774 \ub0a8\uc544 \uc788\uc2b5\ub2c8\ub2e4<\/a>. L2\ub294 0.50~1.10%\uc758 \uc5ec\ub7ec \ud0c4\uc18c \ud568\ub7c9\uc73c\ub85c \uc81c\uacf5\ub418\uba70, \ud06c\ub86c\uacfc \ubc14\ub098\ub4d0\uc73c\ub85c \uc778\ud574 \ubbf8\uc138 \uacb0\uc815\ub9bd\uc758 \uc720\ub0c9 \uacbd\ud654\uac15\uc785\ub2c8\ub2e4. L6\ub294 \uc778\uc131\uc744 \uc704\ud574 \uc57d 1.50%\uc758 \ub2c8\ucf08\uc744 \ucca8\uac00\ud569\ub2c8\ub2e4. \ub458 \ub2e4 \uba85\ubaa9\uc0c1 \uc720\ub0c9 \uacbd\ud654\uc774\uc9c0\ub9cc, \uc2e4\uc81c\ub85c\ub294 \ud070 L2 \ub2e8\uba74\uc740 \uc885\uc885 \ub300\uc2e0 \uc218\ub0c9\ub429\ub2c8\ub2e4. \uadf8\ub8f9 \ub0b4 \uacbd\ud654\ub2a5 \ubc94\uc704\ub294 \ub113\uc73c\uba70, \uc774\ub294 \ud569\uae08 \ud6a8\uacfc\ub9cc\ud07c \ud0c4\uc18c \ud6a8\uacfc\uc774\uae30\ub3c4 \ud569\ub2c8\ub2e4: \ud0c4\uc18c 0.50%\uc758 L2\ub294 \uc720\ub0c9 \uc2dc \uc57d 57 HRC\uc5d0 \ub3c4\ub2ec\ud558\uc9c0\ub9cc \uc57d 12.7 mm \uc774\uc0c1\uc758 \ub2e8\uba74\uc5d0\uc11c\ub294 \uc644\uc804 \uacbd\ud654\ub418\uc9c0 \uc54a\ub294 \ubc18\uba74, \ud0c4\uc18c 0.70%\uc758 L6\ub294 \ub0c9\uac01 \uc2dc \uc57d 64 HRC\uc5d0 \ub3c4\ub2ec\ud558\uace0 76 mm\uae4c\uc9c0 60 HRC \uc774\uc0c1\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud45c 7. L2, \uc0c1\uc628 \uacf5\uce6d \uae30\uacc4\uc801 \ud2b9\uc131<\/h3>\n\n\n\n
\uc0c1\ud0dc<\/th>\uc778\uc7a5, MPa<\/th>\uc778\uc7a5, ksi<\/th>0.2% \ud56d\ubcf5, MPa<\/th>0.2% \ud56d\ubcf5, ksi<\/th>\uc5f0\uc2e0\uc728, %<\/th>\ub2e8\uba74 \uc218\ucd95\ub960, %<\/th>\uacbd\ub3c4<\/th>\ucda9\uaca9, J<\/th>\ucda9\uaca9, ft·lbf<\/th><\/tr><\/thead>
855 °C (1575 °F)\uc5d0\uc11c \uc720\ub0c9 \ud6c4 \ub2e8\uc77c \ud15c\ud37c\ub9c1:<\/td><\/tr>
\uc5b4\ub2d0\ub9c1\ub41c<\/td>710<\/td>103<\/td>510<\/td>74<\/td>25<\/td>50<\/td>96 HRB<\/td>—<\/td>—<\/td><\/tr>
205 °C (400 °F)<\/td>2000<\/td>290<\/td>1790<\/td>260<\/td>5<\/td>15<\/td>54<\/td>28<\/td>21<\/td><\/tr>
315 °C (600 °F)<\/td>1790<\/td>260<\/td>1655<\/td>240<\/td>10<\/td>30<\/td>52<\/td>19<\/td>14<\/td><\/tr>
425 °C (800 °F)<\/td>1550<\/td>225<\/td>1380<\/td>200<\/td>12<\/td>35<\/td>47<\/td>26<\/td>19<\/td><\/tr>
540 °C (1000 °F)<\/td>1275<\/td>185<\/td>1170<\/td>170<\/td>15<\/td>45<\/td>41<\/td>39<\/td>29<\/td><\/tr>
650 °C (1200 °F)<\/td>930<\/td>135<\/td>760<\/td>110<\/td>25<\/td>55<\/td>30<\/td>125<\/td>92<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ud45c 7. L6, \uc0c1\uc628 \uacf5\uce6d \uae30\uacc4\uc801 \ud2b9\uc131<\/h3>\n\n\n\n
\uc0c1\ud0dc<\/th>\uc778\uc7a5, MPa<\/th>\uc778\uc7a5, ksi<\/th>0.2% \ud56d\ubcf5, MPa<\/th>0.2% \ud56d\ubcf5, ksi<\/th>\uc5f0\uc2e0\uc728, %<\/th>\ub2e8\uba74 \uc218\ucd95\ub960, %<\/th>\uacbd\ub3c4<\/th>\ucda9\uaca9, J<\/th>\ucda9\uaca9, ft·lbf<\/th><\/tr><\/thead>
845 °C (1550 °F)\uc5d0\uc11c \uc720\ub0c9 \ud6c4 \ub2e8\uc77c \ud15c\ud37c\ub9c1:<\/td><\/tr>
\uc5b4\ub2d0\ub9c1\ub41c<\/td>655<\/td>95<\/td>380<\/td>55<\/td>25<\/td>55<\/td>93 HRB<\/td>—<\/td>—<\/td><\/tr>
315 °C (600 °F)<\/td>2000<\/td>290<\/td>1790<\/td>260<\/td>4<\/td>9<\/td>54<\/td>12<\/td>9<\/td><\/tr>
425 °C (800 °F)<\/td>1585<\/td>230<\/td>1380<\/td>200<\/td>8<\/td>20<\/td>46<\/td>18<\/td>13<\/td><\/tr>
540 °C (1000 °F)<\/td>1345<\/td>195<\/td>1100<\/td>160<\/td>12<\/td>30<\/td>42<\/td>23<\/td>17<\/td><\/tr>
650 °C (1200 °F)<\/td>965<\/td>140<\/td>830<\/td>120<\/td>20<\/td>48<\/td>32<\/td>81<\/td>60<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ucd9c\ucc98: ASM Handbook Vol.1, Wrought Tool Steels \ud56d\ubaa9, Table 7. \uc5b4\ub2d0\ub9c1\ub41c \ud589\uc740 \uacf5\uae09 \uc0c1\ud0dc(as-supplied condition)\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ucd9c\ucc98 \uac01\uc8fc: (a) \uc5f0\uc2e0\uc728\uc740 50 mm (2 in.) \uac8c\uc774\uc9c0 \uae38\uc774\uc5d0\uc11c \uce21\uc815, (b) Charpy V-\ub178\uce58, (c) Charpy \ubb34\ub178\uce58. L \ub4f1\uae09\uc740 \ub178\uce58 \uc2dc\ud5d8 \uae30\uc900\uc73c\ub85c, S \ub4f1\uae09\uc740 \ubb34\ub178\uce58 \uc2dc\ud5d8 \uae30\uc900\uc73c\ub85c \uc81c\uc2dc\ub418\uc5b4 \uc788\uc73c\ubbc0\ub85c \ub450 \uadf8\ub8f9\uc758 \ucda9\uaca9 \uc5f4\uc740 \uc11c\ub85c \ube44\uad50\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ub300\uc2dc(-)\ub294 \ucd9c\ucc98\uc5d0 \uac12\uc774 \uc5c6\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/em><\/p>\n\n\n\n

S \uadf8\ub8f9, \ub0b4\ucda9\uaca9 \uac15<\/h2>\n\n\n\n

S \uadf8\ub8f9 \uac15\uc740 \uacf5\uad6c\uac00 \ucda9\uaca9\uc744 \ud761\uc218\ud574\uc57c \ud560 \ub54c \uc9c0\uc815\ub418\ub294 \uac15\uc785\ub2c8\ub2e4. \uc774\ub4e4\uc740 \uc595\uc740 \uacbd\ud654(S2)\uc5d0\uc11c \uae4a\uc740 \uacbd\ud654(S7)\uae4c\uc9c0 \ub2e4\uc591\ud558\uba70, \uc5ec\uae30\uc11c \uacbd\ud654\ub2a5\uc740 W \uadf8\ub8f9\uc744 \uc9c0\ubc30\ud558\ub294 \uacb0\uc815\ub9bd \ud06c\uae30 \ubc0f \uc6a9\ud574 \uacf5\uc815 \ud6a8\uacfc\ubcf4\ub2e4\ub294 \uc870\uc131\uc5d0 \uc758\ud574 \uc81c\uc5b4\ub429\ub2c8\ub2e4. \uc774 \uadf8\ub8f9\uc740 \ucd5c\uc801 \uacbd\ub3c4\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc704\ud574 \uc0c1\ub300\uc801\uc73c\ub85c \ub192\uc740 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\uac00 \ud544\uc694\ud558\uba70, \uadf8\ub85c \uc778\ud574 \ubbf8\uc6a9\ud574 \ud0c4\ud654\ubb3c\uc774 \ub2e4\ub978 \uadf8\ub8f9\uc5d0\uc11c\ucc98\ub7fc \uacbd\ud654\ub2a5 \uc81c\uc5b4 \uc694\uc18c\uac00 \uc544\ub2d9\ub2c8\ub2e4. S2\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc218\ub0c9\ub418\uace0, S1, S5 \ubc0f S6\ub294 \uc720\ub0c9\ub418\uba70, S7\uc740 \ud070 \ub2e8\uba74\uc744 \uc81c\uc678\ud558\uace0 \uc77c\ubc18\uc801\uc73c\ub85c \uacf5\ub0c9\ub418\uba70, \ud070 \ub2e8\uba74\uc740 \uc720\ub0c9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774 \ud45c\uc5d0 \uc788\ub294 \uc138 \ub4f1\uae09\uc758 \uae30\uacc4\uc801 \ud2b9\uc131\uc740 S \uadf8\ub8f9\uc774 \ub54c\ub54c\ub85c \ube44\uacf5\uad6c \uc791\uc5c5\uc5d0 \uace0\ub824\ub418\ub294 \uc774\uc720\uc785\ub2c8\ub2e4. 205 °C (400 °F) \ud15c\ud37c\uc5d0\uc11c S5\ub294 2345 MPa (340 ksi) \uc778\uc7a5\uac15\ub3c4\uc640 206 J\uc758 \ubb34\ub178\uce58 \ucda9\uaca9 \uc5d0\ub108\uc9c0\uc5d0 \ub3c4\ub2ec\ud558\uba70, S7\uc740 650 °C (1200 °F) \ud15c\ud37c\uc5d0\uc11c 358 J\uc5d0 \ub3c4\ub2ec\ud558\uba74\uc11c\ub3c4 1240 MPa (180 ksi)\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4. \uac15\ub3c4\uc640 \uc778\uc131\uc740 \uacf5\uad6c\uac15\uc5d0\uc11c \ud754\uce58 \uc54a\uc740 \ubc29\uc2dd\uc73c\ub85c \ud15c\ud37c\ub9c1 \ubc94\uc704 \uc804\ubc18\uc5d0 \uac78\uccd0 \ud568\uaed8 \uc6c0\uc9c1\uc774\uba70, 650 °C \ud589\uc5d0\uc11c \uc774\uac83\uc774 \uac00\uc7a5 \uba85\ud655\ud558\uac8c \ub098\ud0c0\ub0a9\ub2c8\ub2e4: \uacbd\ub3c4\ub294 30\ub300 \ud6c4\ubc18\uc73c\ub85c \ub5a8\uc5b4\uc9c0\uace0 \ucda9\uaca9 \uc5d0\ub108\uc9c0\ub294 \uc57d \ud55c \uc790\ub9bf\uc218 \uc99d\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud45c 7. S1, \uc0c1\uc628 \uacf5\uce6d \uae30\uacc4\uc801 \ud2b9\uc131<\/h3>\n\n\n\n
\uc0c1\ud0dc<\/th>\uc778\uc7a5, MPa<\/th>\uc778\uc7a5, ksi<\/th>0.2% \ud56d\ubcf5, MPa<\/th>0.2% \ud56d\ubcf5, ksi<\/th>\uc5f0\uc2e0\uc728, %<\/th>\ub2e8\uba74 \uc218\ucd95\ub960, %<\/th>\uacbd\ub3c4<\/th>\ucda9\uaca9, J<\/th>\ucda9\uaca9, ft·lbf<\/th><\/tr><\/thead>
925 °C (1700 °F)\uc5d0\uc11c \uc720\ub0c9 \ud6c4 \ub2e8\uc77c \ud15c\ud37c\ub9c1:<\/td><\/tr>
\uc5b4\ub2d0\ub9c1\ub41c<\/td>690<\/td>100<\/td>415<\/td>60<\/td>24<\/td>52<\/td>96 HRB<\/td>—<\/td>—<\/td><\/tr>
205 °C (400 °F)<\/td>2070<\/td>300<\/td>1895<\/td>275<\/td>—<\/td>—<\/td>57.5<\/td>249<\/td>184<\/td><\/tr>
315 °C (600 °F)<\/td>2025<\/td>294<\/td>1860<\/td>270<\/td>4<\/td>12<\/td>54<\/td>233<\/td>172<\/td><\/tr>
425 °C (800 °F)<\/td>1790<\/td>260<\/td>1690<\/td>245<\/td>5<\/td>17<\/td>50.5<\/td>203<\/td>150<\/td><\/tr>
540 °C (1000 °F)<\/td>1680<\/td>244<\/td>1525<\/td>221<\/td>9<\/td>23<\/td>47.5<\/td>230<\/td>170<\/td><\/tr>
650 °C (1200 °F)<\/td>1345<\/td>195<\/td>1240<\/td>180<\/td>12<\/td>37<\/td>42<\/td>—<\/td>—<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ud45c 7. S5, \uc0c1\uc628 \uacf5\uce6d \uae30\uacc4\uc801 \ud2b9\uc131<\/h3>\n\n\n\n
\uc0c1\ud0dc<\/th>\uc778\uc7a5, MPa<\/th>\uc778\uc7a5, ksi<\/th>0.2% \ud56d\ubcf5, MPa<\/th>0.2% \ud56d\ubcf5, ksi<\/th>\uc5f0\uc2e0\uc728, %<\/th>\ub2e8\uba74 \uc218\ucd95\ub960, %<\/th>\uacbd\ub3c4<\/th>\ucda9\uaca9, J<\/th>\ucda9\uaca9, ft·lbf<\/th><\/tr><\/thead>
870 °C (1600 °F)\uc5d0\uc11c \uc720\ub0c9 \ud6c4 \ub2e8\uc77c \ud15c\ud37c\ub9c1:<\/td><\/tr>
\uc5b4\ub2d0\ub9c1\ub41c<\/td>725<\/td>105<\/td>440<\/td>64<\/td>25<\/td>50<\/td>96 HRB<\/td>—<\/td>—<\/td><\/tr>
205 °C (400 °F)<\/td>2345<\/td>340<\/td>1930<\/td>280<\/td>5<\/td>20<\/td>59<\/td>206<\/td>152<\/td><\/tr>
315 °C (600 °F)<\/td>2240<\/td>325<\/td>1860<\/td>270<\/td>7<\/td>24<\/td>58<\/td>232<\/td>171<\/td><\/tr>
425 °C (800 °F)<\/td>1895<\/td>275<\/td>1690<\/td>245<\/td>9<\/td>28<\/td>52<\/td>243<\/td>179<\/td><\/tr>
540 °C (1000 °F)<\/td>1515<\/td>220<\/td>1380<\/td>200<\/td>10<\/td>30<\/td>48<\/td>188<\/td>139<\/td><\/tr>
650 °C (1200 °F)<\/td>1035<\/td>150<\/td>1170<\/td>170<\/td>15<\/td>40<\/td>37<\/td>—<\/td>—<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ud45c 7. S7, \uc0c1\uc628 \uacf5\uce6d \uae30\uacc4\uc801 \ud2b9\uc131<\/h3>\n\n\n\n
\uc0c1\ud0dc<\/th>\uc778\uc7a5, MPa<\/th>\uc778\uc7a5, ksi<\/th>0.2% \ud56d\ubcf5, MPa<\/th>0.2% \ud56d\ubcf5, ksi<\/th>\uc5f0\uc2e0\uc728, %<\/th>\ub2e8\uba74 \uc218\ucd95\ub960, %<\/th>\uacbd\ub3c4<\/th>\ucda9\uaca9, J<\/th>\ucda9\uaca9, ft·lbf<\/th><\/tr><\/thead>
940 °C (1725 °F)\uc5d0\uc11c \ud32c \ub0c9\uac01 \ud6c4 \ub2e8\uc77c \ud15c\ud37c\ub9c1:<\/td><\/tr>
\uc5b4\ub2d0\ub9c1\ub41c<\/td>640<\/td>93<\/td>380<\/td>55<\/td>25<\/td>55<\/td>95 HRB<\/td>—<\/td>—<\/td><\/tr>
205 °C (400 °F)<\/td>2170<\/td>315<\/td>1450<\/td>210<\/td>7<\/td>20<\/td>58<\/td>244<\/td>180<\/td><\/tr>
315 °C (600 °F)<\/td>1965<\/td>285<\/td>1585<\/td>230<\/td>9<\/td>25<\/td>55<\/td>309<\/td>228<\/td><\/tr>
425 °C (800 °F)<\/td>1895<\/td>275<\/td>1410<\/td>205<\/td>10<\/td>29<\/td>53<\/td>243<\/td>179<\/td><\/tr>
540 °C (1000 °F)<\/td>1820<\/td>264<\/td>1380<\/td>200<\/td>10<\/td>33<\/td>51<\/td>324<\/td>239<\/td><\/tr>
650 °C (1200 °F)<\/td>1240<\/td>180<\/td>1035<\/td>150<\/td>14<\/td>45<\/td>39<\/td>358<\/td>264<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ucd9c\ucc98: ASM Handbook Vol.1, Wrought Tool Steels \ud56d\ubaa9, Table 7. \uc5b4\ub2d0\ub9c1\ub41c \ud589\uc740 \uacf5\uae09 \uc0c1\ud0dc(as-supplied condition)\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ucd9c\ucc98 \uac01\uc8fc: (a) \uc5f0\uc2e0\uc728\uc740 50 mm (2 in.) \uac8c\uc774\uc9c0 \uae38\uc774\uc5d0\uc11c \uce21\uc815, (b) Charpy V-\ub178\uce58, (c) Charpy \ubb34\ub178\uce58. L \ub4f1\uae09\uc740 \ub178\uce58 \uc2dc\ud5d8 \uae30\uc900\uc73c\ub85c, S \ub4f1\uae09\uc740 \ubb34\ub178\uce58 \uc2dc\ud5d8 \uae30\uc900\uc73c\ub85c \uc81c\uc2dc\ub418\uc5b4 \uc788\uc73c\ubbc0\ub85c \ub450 \uadf8\ub8f9\uc758 \ucda9\uaca9 \uc5f4\uc740 \uc11c\ub85c \ube44\uad50\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ub300\uc2dc(-)\ub294 \ucd9c\ucc98\uc5d0 \uac12\uc774 \uc5c6\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/em><\/p>\n\n\n\n

\ub450 \ud45c\ub97c \ud568\uaed8 \uc77d\uae30<\/h2>\n\n\n\n

\uc774 \uc218\uce58\uc640 \uad00\ub828\ud558\uc5ec \uc138 \uac00\uc9c0 \uc8fc\uc758 \uc0ac\ud56d\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uccab\uc9f8\ub294 \ucd9c\ucc98 \uac01\uc8fc\uc5d0\uc11c \uc774\ubbf8 \uc5b8\uae09\ud55c \uac83\uc73c\ub85c, L \ub4f1\uae09\uc740 \uc0e4\ub974\ud53c V-\ub178\uce58 \uc2dc\ud5d8\uc73c\ub85c, S \ub4f1\uae09\uc740 \ubb34\ub178\uce58 \uc2dc\ud5d8\uc73c\ub85c \uc778\uc6a9\ub418\ubbc0\ub85c \ud55c \ud45c\uc758 \ucda9\uaca9 \uc218\uce58\ub294 \ub2e4\ub978 \ud45c\uc758 \uc218\uce58\uc640 \ube44\uad50\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ub458\uc9f8\ub294 \ubaa8\ub4e0 \uac12\uc774 \ub2e8\uc77c \ucd9c\ucc98\uc758 \uc0c1\uc628 \uacf5\uce6d \uac12\uc774\uba70, \uac15\ub3c4\uc640 \uc5f0\uc2e0\uc728\uc740 \ub2e8\uba74 \ud06c\uae30, \uc2e4\uc81c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4 \ubc0f \ud15c\ud37c\ub9c1 \ud69f\uc218\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\ub294\ub370, \uc774 \uc911 \uc5b4\ub290 \uac83\ub3c4 \ud45c \ubcc0\uc218\uc5d0 \ud3ec\ud568\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc14b\uc9f8\ub294 \uc5b4\ub2d0\ub9c1 \ud589\uc758 \uacbd\ub3c4 \uc218\uce58\ub294 \ub85c\ud06c\uc6f0 B \uc2a4\ucf00\uc77c\uc774\uace0 \uacbd\ud654 \ud589\uc740 \ub85c\ud06c\uc6f0 C \uc2a4\ucf00\uc77c\uc774\ubbc0\ub85c, \uc5b4\ub2d0\ub9c1 \uacbd\ub3c4\ub294 \uc791\uc5c5 \uacbd\ub3c4\uac00 \uc544\ub2c8\ub77c \uac00\uacf5\uc131 \uc9c0\ud45c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc2a4\ucf00\uc77c \uac04 \ubcc0\ud658, \uadf8\ub9ac\uace0 96 HRB \uc5b4\ub2d0\ub9c1 \uc0c1\ud0dc\uc640 54 HRC \uc791\uc5c5 \uc0c1\ud0dc\ub97c \uc9c1\uc811 \ube44\uad50\ud560 \uc218 \uc5c6\ub294 \uc774\uc720\ub294 \ube44\ucee4\uc2a4-\ub85c\ud06c\uc6f0 C \ubcc0\ud658<\/a> \ud398\uc774\uc9c0\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. W \uadf8\ub8f9 \ubc0f O \uadf8\ub8f9 \ud2b9\uc131\uc740 \uacf5\uad6c\uac15 \ud2b9\uc131 \ucc28\ud2b8<\/a>\uc5d0, \uc774\ub4e4 \uac01 \ub4f1\uae09\uc774 \uc628\ub3c4\uc5d0\uc11c \uc720\uc9c0\ud558\ub294 \uacbd\ub3c4\ub294 \uacf5\uad6c\uac15 \uace0\uc628 \uacbd\ub3c4 \ucc28\ud2b8<\/a>\uc5d0, \uadf8\ub9ac\uace0 \uc804\uccb4 \uacc4\uc5f4\uc758 \ucda9\uaca9 \uc5d0\ub108\uc9c0\ub294 \uacf5\uad6c\uac15 \ucda9\uaca9 \uc778\uc131 \ucc28\ud2b8<\/a>\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. Aobo Steel\uc740 L6 \ubc0f S7\uc744 \ub2e8\uc870 \ubc0f \uc5f4\uac04 \uc555\uc5f0 \ubd09\uc7ac\ub85c \uacf5\uae09\ud558\uba70, \ubc00 \uc2dc\ud2b8\uc758 \uc5b4\ub2d0\ub9c1 \uacbd\ub3c4\ub294 \ub3d9\uc77c\ud55c \ud45c\ub97c \ub530\ub985\ub2c8\ub2e4.<\/p>\n\n\n\n

\ucd9c\ucc98: ASM Handbook, Vol 1, Properties and Selection: Irons, Steels and High-Performance Alloys.<\/p>","protected":false},"excerpt":{"rendered":"

L Series and S Series Tool Steel Properties, Annealed and Hardened The L series and the S series are the two tool steel groups that are bought for strength and shock resistance rather than for wear resistance or hot hardness. L is the low alloy special purpose group, and S is the shock resisting group, 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Series and S Series Tool Steel Properties, Annealed and Hardened The L series and the S series are the two tool steel groups that are bought for strength and shock resistance rather than for wear resistance or hot hardness. L is the low alloy special purpose group, and S is the shock resisting group,…","rttpg_featured_image_url":null,"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/ko\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"L Series and S Series Tool Steel Properties, Annealed and Hardened The L series and the S series are the two tool steel groups that are bought for strength and shock resistance rather than for wear resistance or hot hardness. L is the low alloy special purpose group, and S is the shock resisting group,…","_links":{"self":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/20826","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/comments?post=20826"}],"version-history":[{"count":5,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/20826\/revisions"}],"predecessor-version":[{"id":23182,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/20826\/revisions\/23182"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/media?parent=20826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}