{"id":3325,"date":"2018-05-15T09:18:23","date_gmt":"2018-05-15T01:18:23","guid":{"rendered":"http:\/\/www.eibrakeline.com\/?p=3325"},"modified":"2019-11-17T19:58:36","modified_gmt":"2019-11-17T11:58:36","slug":"sae-j527-brazed-double-wall-low-carbon-steel-tubing","status":"publish","type":"post","link":"https:\/\/www.eibrakeline.com\/kr\/sae-j527-brazed-double-wall-low-carbon-steel-tubing\/","title":{"rendered":"SAE J527 \ube0c\ub808\uc774\uc9d5 \uc774\uc911\ubcbd \uc800\ud0c4\uc18c \uac15\uad00"},"content":{"rendered":"

1. \ubc94\uc704<\/strong>\u2014\uc774 SAE \ud45c\uc900\uc740 \uc77c\ubc18 \uc790\ub3d9\ucc28, \ub0c9\ub3d9, \uc720\uc555 \ubc0f \uae30\ud0c0 \uc720\uc0ac\ud55c \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc0ac\uc6a9\ub418\uba70, \uad7d\ud798, \ud50c\ub808\uc5b4\ub9c1, \ube44\ub529, \uc131\ud615 \ubc0f \ube0c\ub808\uc774\uc9d5\uc5d0 \uc801\ud569\ud55c \ud488\uc9c8\uc758 \ud29c\ube0c\ub97c \uc694\uad6c\ud558\ub294 \ube0c\ub808\uc774\uc9d5\ub41c \uc774\uc911\ubcbd \uc800\ud0c4\uc18c \uac15\uad00\uc744 \ub300\uc0c1\uc73c\ub85c \ud569\ub2c8\ub2e4.<\/p>\n

2. \ucc38\uace0 \ubb38\ud5cc<\/strong><\/p>\n

2.1 \uc801\uc6a9 \uac00\ub2a5\ud55c \uac04\ud589\ubb3c\u2014\ub2e4\uc74c \uac04\ud589\ubb3c\ub4e4\uc740 \ubcf8 \uaddc\uaca9\uc758 \uc77c\ubd80\ub85c, \uc5ec\uae30\uc5d0 \uba85\uc2dc\ub41c \ubc94\uc704 \ub0b4\uc5d0\uc11c \uc801\uc6a9\ub429\ub2c8\ub2e4. \ubcc4\ub3c4\ub85c \uba85\uc2dc\ub418\uc9c0 \uc54a\ub294 \ud55c, \ucd5c\uc2e0\ud310 SAE \uac04\ud589\ubb3c\uc774 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n

2.1.1 SAE \uac04\ud589\ubb3c\u2014SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001\uc5d0\uc11c \uad6c\uc785 \uac00\ub2a5\ud569\ub2c8\ub2e4.
\nSAE J1677\u2014SAE \uc800\ud0c4\uc18c \uac15\uad00 \ubc0f \uad6c\ub9ac \ub2c8\ucf08 \uad00\uc758 \uc2dc\ud5d8 \ubc0f \uc808\ucc28
\n2.1.2 ASTM \uac04\ud589\ubb3c\u2014ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959\uc5d0\uc11c \uad6c\uc785 \uac00\ub2a5\ud569\ub2c8\ub2e4.
\nASTM A 254\u2014\uad6c\ub9ac \ube0c\ub808\uc774\uc9d5 \uac15\uad00\uc758 \ud45c\uc900 \uc0ac\uc591<\/a><\/p>\n

2.2 \uad00\ub828 \uac04\ud589\ubb3c\u2014\ub2e4\uc74c \uac04\ud589\ubb3c\ub4e4\uc740 \uc815\ubcf4 \uc81c\uacf5 \ubaa9\uc801\uc73c\ub85c\ub9cc \uc81c\uacf5\ub418\uba70, \ubcf8 \ubb38\uc11c\uc758 \ud544\uc218 \uad6c\uc131 \uc694\uc18c\ub294 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n

2.2.1 SAE \uac04\ud589\ubb3c\u2014SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001\uc5d0\uc11c \uad6c\uc785 \uac00\ub2a5\ud569\ub2c8\ub2e4.
\nSAE J409\u2014\uac15\ucca0 \uc5f4 \ub610\ub294 \uc8fc\uc870\uc758 \uaddc\uc815 \ud654\ud559\uc131\ubd84\uacfc\uc758 \ud5c8\uc6a9 \ud3b8\ucc28(\uc81c\ud488 \ubd84\uc11d)
\nSAE J512\u2014\uc790\ub3d9\ucc28\uc6a9 \ud29c\ube0c \ud53c\ud305
\nSAE J513\u2014\ub0c9\ub3d9\uc6a9 \ud29c\ube0c \ud53c\ud305\u2014\uc77c\ubc18 \uc0ac\uc591
\nSAE J514\u2014\uc720\uc555\uc6a9 \ud29c\ube0c \ud53c\ud305
\nSAE J516\u2014\uc720\uc555 \ud638\uc2a4 \ud53c\ud305
\nSAE J533\u2014\ud29c\ube0c\uc6a9 \ud50c\ub808\uc5b4
\nSAE J1065\u2014\uc720\uc555 \ud29c\ube0c \ubc0f \ud53c\ud305\uc758 \uc555\ub825 \ub4f1\uae09
\nSAE J1290\u2014\uc790\ub3d9\ucc28 \uc720\uc555 \ube0c\ub808\uc774\ud06c \uc2dc\uc2a4\ud15c\u2014\ubbf8\ud130\ubc95 \ud29c\ube0c \uc5f0\uacb0
\nSAE J1453\u2014O-\ub9c1 \ud398\uc774\uc2a4 \uc530<\/p>\n

3. \uc81c\uc870<\/strong>\u2014\ud29c\ube0c\ub294 \ub2e8\uc77c \ub610\ub294 \uc774\uc911 \uac15\ud310 \uc2a4\ud2b8\ub9bd\uc744 \uc774\uc911\ubcbd \ud615\ud0dc\ub85c \uc131\ud615\ud558\uc5ec \uc81c\uc791\ud558\uba70, \ub450 \ubcbd\uc740 \uc81c\uc5b4\ub41c \ubd84\uc704\uae30\uc5d0\uc11c \uad6c\ub9ac \ube0c\ub808\uc774\uc9d5\uc73c\ub85c \uacb0\ud569\ub418\uace0 \ubc00\ubd09\ub429\ub2c8\ub2e4. \ube0c\ub808\uc774\uc9d5\uc740 \uade0\uc77c\ud574\uc57c \ud558\uba70, \ud29c\ube0c \ub0b4\uc678\ubd80 \uc5b4\ub290 \uacf3\uc5d0\ub3c4 \ube44\ub4dc\uac00 \ubcf4\uc5ec\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc774\ub7ec\ud55c \ud29c\ube0c\ub294 \uad8c\uc120 \uc0c1\ud0dc\uc640 \uc9c1\uc120 \uc0c1\ud0dc \ubaa8\ub450\ub85c \uacf5\uae09\ub429\ub2c8\ub2e4. \uc9c1\uc120\ub3c4 \uc694\uad6c\uc0ac\ud56d\uc740 \uacf5\uae09\uc5c5\uccb4\uc640 \uad6c\ub9e4\uc790 \uac04\uc5d0 \ud569\uc758\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

4. \uce58\uc218 \ubc0f \uacf5\ucc28<\/strong>\u2014\ud45c\uc900 \uacf5\uce6d \uc9c0\ub984\uacfc \ud574\ub2f9 \uce58\uc218 \ubc0f \uacf5\ucc28\ub294 \ud45c 1\uc5d0 \ub098\uc640 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ud45c 1\u2014\ud29c\ube0c \uce58\uc218 \ubc0f \uacf5\ucc28<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
\ub300\uc2dc \ud06c\uae30<\/strong><\/td>\n\uacf5\uce6d \ud29c\ube0c \uc678\uacbd<\/strong>
\n mm<\/strong><\/td>\n		\uc678\uacbd \uae30\ubcf8\uce58<\/strong>
\n mm<\/strong><\/td>\n		\uc678\uacbd \uacf5\ucc28<\/strong>
\n mm<\/strong><\/td>\n		\ubcbd \ub450\uaed8 \uae30\ubcf8\uce58<\/strong>
\n mm<\/strong><\/td>\n		\ubcbd \ub450\uaed8 \uacf5\ucc28<\/strong>
\n mm<\/strong><\/td>\n<\/tr>\n
-2<\/td>\n3.18<\/td>\n3.18<\/td>\n0.05<\/td>\n0.64<\/td>\n0.13<\/td>\n<\/tr>\n
-3<\/td>\n4.76<\/td>\n4.78<\/td>\n0.08<\/td>\n0.71<\/td>\n0.08<\/td>\n<\/tr>\n
-4<\/td>\n6.35<\/td>\n6.35<\/td>\n0.08<\/td>\n0.71<\/td>\n0.08<\/td>\n<\/tr>\n
-5<\/td>\n7.94<\/td>\n7.92<\/td>\n0.08<\/td>\n0.71<\/td>\n0.08<\/td>\n<\/tr>\n
-6<\/td>\n9.53<\/td>\n9.53<\/td>\n0.08<\/td>\n0.71<\/td>\n0.08<\/td>\n<\/tr>\n
-7<\/td>\n11.11<\/td>\n11.13<\/td>\n0.1<\/td>\n0.76<\/td>\n0.08<\/td>\n<\/tr>\n
-8<\/td>\n12.7<\/td>\n12.7<\/td>\n0.1<\/td>\n0.89<\/td>\n0.09<\/td>\n<\/tr>\n
-9<\/td>\n14.29<\/td>\n14.27<\/td>\n0.1<\/td>\n0.89<\/td>\n0.09<\/td>\n<\/tr>\n
-10<\/td>\n15.88<\/td>\n15.88<\/td>\n0.1<\/td>\n0.89<\/td>\n0.09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

1. \uc2e4\uc81c \uc678\uacbd\uc740 \ud29c\ube0c\uc758 \uc784\uc758 \ub2e8\uba74\uc5d0\uc11c \ucd5c\ub300 \uc678\uacbd\uacfc \ucd5c\uc18c \uc678\uacbd\uc758 \ud3c9\uade0\uac12\uc785\ub2c8\ub2e4.<\/em>
\n2. \uae30\uc7ac\ub41c \uacf5\ucc28\ub294 \uc784\uc758 \uc9c0\uc810\uc5d0\uc11c \ud5c8\uc6a9\ub418\ub294 \ucd5c\ub300 \ud3b8\ucc28\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/em>
\n3. \uae30\ud0c0 \uaddc\uaca9\uc740 \uacf5\uae09\uc5c5\uccb4\uc640 \uc0ac\uc6a9\uc790 \uac04\uc758 \ud569\uc758\uc5d0 \ub530\ub77c \uc9c0\uc815\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/em>
\n4. \uc911\uac04 \ubcbd \ub450\uaed8\uc758 \uacbd\uc6b0, \ub2e4\uc74c\uc73c\ub85c \ub354 \ub450\uaebc\uc6b4 \ubcbd \ub450\uaed8\uc758 \uacf5\ucc28\uac00 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/em><\/p>\n

5. \uc81c\uc870 \uae30\uc900<\/strong><\/p>\n

5.1 \ud29c\ube0c \ub2e8\ubd80 \uc0c1\ud0dc\u2014\ud29c\ube0c\ub294 \uc77c\ubc18\uc801\uc778 \uacf5\uc7a5 \uc808\ub2e8 \ubc29\uc2dd\uc73c\ub85c \uc0dd\uc0b0\ub429\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ub2e8\uc77c \uc808\ub2e8 \ub2e8\ubd80, \uc774\uc911 \uc808\ub2e8 \ub2e8\ubd80, \ud1b1 \uc808\ub2e8 \ub2e8\ubd80, \ud68c\uc804 \uc808\ub2e8 \ub2e8\ubd80 \ub4f1\uc774 \ud3ec\ud568\ub418\uc9c0\ub9cc \uc774\uc5d0 \uad6d\ud55c\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ud29c\ube0c \ub2e8\ubd80\uc758 \ubcc0\ud615\uc744 \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \uc8fc\uc758\ub97c \uae30\uc6b8\uc785\ub2c8\ub2e4. \ucd94\uac00 \uac00\uacf5\uc774 \ud544\uc694\ud55c \ub2e8\ubd80\ub294 \uc0dd\uc0b0\uc790\uc640 \uad6c\ub9e4\uc790 \uac04\uc758 \ud569\uc758\uc5d0 \ub530\ub77c \ucc98\ub9ac\ub429\ub2c8\ub2e4.
\n5.2 \ud45c\uba74 \ub9c8\uac10\u2014\ucde8\uae09 \uc790\uad6d, \ub2e4\uc774 \uc790\uad6d, \uc595\uc740 \ud648\uacfc \uac19\uc740 \ud45c\uba74 \ubd88\ub7c9\uc740 \ud29c\ube0c\uc758 \uae30\ub2a5\uc5d0 \ud574\ub97c \ub07c\uce58\uc9c0 \uc54a\uace0, \uc9c0\ub984 \ubc0f \ubcbd \ub450\uaed8 \uacf5\ucc28 \ubc94\uc704 \ub0b4\uc5d0 \uc788\ub294 \ud55c \uacb0\ud568\uc73c\ub85c \uac04\uc8fc\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud45c\uba74 \ubd88\ub7c9\uc758 \uc81c\uac70\ub294 \ud544\uc218 \uc0ac\ud56d\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uc774\uc911\ubcbd \ud29c\ube0c\uc758 \uc678\ubcbd \uc678\uce21 \uacbd\uc0ac\uba74\uc5d0\uc11c \uc57d\uac04\uc758 \uc774\uc74c\uc0c8 \ub4e4\ub738\uc774\ub098 \ubd84\ub9ac\ub294 \ub2e8\ubd80 \uc131\ud615 \uc791\uc5c5 \uc911 \uacb0\ud568\uc73c\ub85c \uac04\uc8fc\ub418\uc9c0 \uc54a\uc73c\uba70, \ub2e8\ubd80 \uc131\ud615\uc758 \ubc00\ubd09 \uc601\uc5ed\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\ub294 \ud55c \ubb38\uc81c\uac00 \ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ubc00\ubd09 \uba74\uc740 \ub9e4\ub044\ub7fd\uace0, \ubc00\ubd09\uc744 \ubc29\ud574\ud558\ub294 \ud760\uc9d1, \ud648 \uc790\uad6d \ubc0f \uae30\ud0c0 \uacb0\ud568\uc774 \uc5c6\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

6. \uc7ac\ub8cc<\/strong>\u2014\ud29c\ube0c\ub294 UNS G10080 \ub610\ub294 UNS G10100\uacfc \uac19\uc740 \uc800\ud0c4\uc18c \uac15\uc73c\ub85c \uc81c\uc791\ub429\ub2c8\ub2e4.<\/p>\n

7. \uae30\uacc4\uc801 \ud2b9\uc131<\/strong>\u2014\uc644\uc81c \ud29c\ube0c\ub294 \ud45c 2\uc5d0 \uc81c\uc2dc\ub41c \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \uac00\uc838\uc57c \ud569\ub2c8\ub2e4:<\/p>\n

\ud45c 2\u2014\uae30\uacc4\uc801 \ud2b9\uc131<\/strong><\/p>\n\n\n<\/colgroup>\n\n\n\n\n\n\n
\ud2b9\uc131<\/strong><\/td>\n\uac12<\/strong><\/td>\n<\/tr>\n
\ud56d\ubcf5\uac15\ub3c4, \ucd5c\uc18c(0.2% \uc624\ud504\uc14b)<\/td>\n170 MPa<\/td>\n<\/tr>\n
\uc778\uc7a5\uac15\ub3c4, \ucd5c\uc18c<\/td>\n290 MPa<\/td>\n<\/tr>\n
50 mm\uc5d0\uc11c \uc5f0\uc2e0\uc728<\/td>\n\ucd5c\uc18c 14%<\/td>\n<\/tr>\n
\uacbd\ub3c4(Rockwell 30 T \ucc99\ub3c4), \ucd5c\ub300<\/td>\n65<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

8. \uc131\ub2a5 \uc694\uad6c\uc0ac\ud56d<\/a><\/strong>\u2014\uc644\uc81c \ud29c\ube0c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc131\ub2a5 \uc2dc\ud5d8\uc744 \ub9cc\uc871\ud574\uc57c \ud569\ub2c8\ub2e4. \ubaa8\ub4e0 \uc2dc\ud5d8\uc740 SAE J1677 \ub610\ub294 ASTM A 254\uc758 \uc808\ucc28\uc5d0 \ub530\ub77c \uc218\ud589\ub429\ub2c8\ub2e4.<\/p>\n

8.1 \uad7d\ud798 \uc2dc\ud5d8\u2014SAE J1677 JAN1996(\uc139\uc158 5.3)
\n8.2 \ud50c\ub808\uc5b4\ub9c1 \uc2dc\ud5d8\u2014SAE J1677 JAN1996(\uc139\uc158 5.5.2)
\n8.3 \uc555\ub825 \uac80\uc99d \uc2dc\ud5d8\u2014SAE J1677 JAN1996(\uc139\uc158 5.8). \uad6c\ub9e4\uc790\uc640 \uc0dd\uc0b0\uc790 \uac04\uc758 \ud569\uc758\uc5d0 \ub530\ub77c \uc218\ud589\ub418\uba70, \uc7ac\ub8cc\uc758 \ud5c8\uc6a9 \uc751\ub825\uc774 140 MPa(\ucd5c\uc18c \ud56d\ubcf5\uac15\ub3c4\uc758 80%)\uc778 \uacbd\uc6b0\uc5d0 \ud55c\ud568.
\n8.4 \ube44\ud30c\uad34 \uc804\uc790 \uc2dc\ud5d8\u2014SAE J1677 JAN1996(\uc139\uc158 5.9)
\n8.5 \uacbd\ub3c4 \uc2dc\ud5d8\u2014SAE J1677 JAN1996(\uc139\uc158 5.6)
\n8.6 \ud3c9\ud3c9\ud558\uac8c \ub204\ub974\uae30 \uc2dc\ud5d8\u2014SAE J1677 JAN1996(\uc139\uc158 5.1)
\n8.7 \uc778\uc7a5 \uc2dc\ud5d8\u2014SAE J1677 JAN1996(\uc139\uc158 5.7)
\n8.8 \ub0b4\ubd80 \ud45c\uba74 \uccad\uacb0\ub3c4\u2014ASTM A 254 March 1997(\uc139\uc158 8)<\/p>\n

9. \uc2dc\ud5d8 \uc99d\uba85\uc11c<\/strong>\u2014\uc131\ub2a5 \uc694\uad6c\uc0ac\ud56d \uc900\uc218 \uc99d\uba85\uc11c\ub294 \uad6c\ub9e4 \uacc4\uc57d\uc5d0\uc11c \uc694\uccad\ud560 \uacbd\uc6b0 \uc0dd\uc0b0\uc790\uac00 \uad6c\ub9e4\uc790\uc5d0\uac8c \uc81c\uacf5\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

10. \ubd80\uc2dd \ubc29\uc9c0<\/strong>\u2014\uc644\uc81c \ud29c\ube0c\uc758 \ub0b4\u00b7\uc678\ubd80\ub294 \uc6b4\uc1a1 \ubc0f \uc77c\ubc18 \ubcf4\uad00 \uc911 \ubd80\uc2dd\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ubd80\uc2dd \ubc29\uc9c0\uc81c\uac00 \ub3c4\ud3ec\ub41c \uacbd\uc6b0, \uc77c\ubc18\uc801\uc778 \ubcf4\uad00 \uae30\uac04 \ud6c4\uc5d0\ub3c4 \uc81c\uc870 \uacf5\uc815\uc5d0\uc11c \ud1b5\uc0c1\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \uc138\ucc99\uc81c\ub85c \uc27d\uac8c \uc81c\uac70\ub420 \uc218 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc0bc\uce35 \ucf54\ud305, \uc544\uc5f0\ub3c4\uae08, \uc5d0\ud3ed\uc2dc \ud398\uc778\ud2b8 \ub4f1 \uc7a5\uae30\uac04 \ubd80\uc2dd \ubc29\uc9c0 \ucf54\ud305\uc740 \uc0ac\uc6a9\uc790\uc758 \uc694\uccad\uc5d0 \ub530\ub77c \uc81c\uacf5\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

11. \ud3ec\uc7a5<\/a><\/strong>\u2014\ud29c\ube0c\ub294 \uc815\uc0c1\uc801\uc778 \ucde8\uae09\uacfc \ubcf4\uad00 \uc870\uac74\uc5d0\uc11c\ub3c4 \uc190\uc0c1\ub418\uc9c0 \uc54a\ub3c4\ub85d \ud3ec\uc7a5\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ud2b9\ubcc4\ud55c \ud3ec\uc7a5\uc740 \uc0dd\uc0b0\uc790\uc640 \uad6c\ub9e4\uc790 \uac04\uc758 \ud569\uc758\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n

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1. \ubc94\uc704\u2014\uc774 SAE \ud45c\uc900\uc740 \uc77c\ubc18 \uc790\ub3d9\ucc28, \ub0c9\ub3d9, \uc720\uc555 \ubc0f \uae30\ud0c0 \uc720\uc0ac\ud55c \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc0ac\uc6a9\ub418\uba70, \uad7d\ud798, \ud50c\ub808\uc5b4\ub9c1, \ube44\ub529, \uc131\ud615 \ubc0f \ube0c\ub808\uc774\uc9d5\uc5d0 \uc801\ud569\ud55c \ud488\uc9c8\uc758 \ud29c\ube0c\ub97c \uc694\uad6c\ud558\ub294 \ube0c\ub808\uc774\uc9d5\ub41c \uc774\uc911\ubcbd \uc800\ud0c4\uc18c \uac15\uad00\uc744 \ub300\uc0c1\uc73c\ub85c \ud569\ub2c8\ub2e4. 2. \ucc38\uace0 \ubb38\ud5cc 2.1 \uc801\uc6a9 \uac00\ub2a5\ud55c \uac04\ud589\ubb3c\u2014\ub2e4\uc74c \uac04\ud589\ubb3c\ub4e4\uc740 \ubcf8 \uaddc\uaca9\uc758 \uc77c\ubd80\ub85c, \uc5ec\uae30\uc5d0 \uba85\uc2dc\ub41c \ubc94\uc704 \ub0b4\uc5d0\uc11c \uc801\uc6a9\ub429\ub2c8\ub2e4. \ubcc4\ub3c4\ub85c \uba85\uc2dc\ub418\uc9c0 \uc54a\ub294 \ud55c, \ucd5c\uc2e0\ud310 SAE \uac04\ud589\ubb3c\uc774 \uc801\uc6a9\ub429\ub2c8\ub2e4. 2.1.1 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