{"id":2757,"date":"2026-03-06T03:20:20","date_gmt":"2026-03-06T02:20:20","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=2757"},"modified":"2026-03-06T03:20:20","modified_gmt":"2026-03-06T02:20:20","slug":"nickel-alloy-vs-stainless-steel-2","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ko\/nickel-alloy-vs-stainless-steel-2\/","title":{"rendered":"\ub2c8\ucf08 \ud569\uae08\uacfc \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8\uc744 \uc120\ud0dd\ud574\uc57c \ud560 \ub54c"},"content":{"rendered":"

\uac00\ud639\ud55c \uacf5\uc815 \ud658\uacbd\uc5d0\uc11c\uc758 \uc18c\uc7ac \uc5f4\ud654\ub294 \uc2ec\uac01\ud55c \uace0\uc7a5\uc774 \ubc1c\uc0dd\ud558\uae30 \uc804\uc5d0\ub294 \uac70\uc758 \uc54c\ub824\uc9c0\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc11d\uc720\ud654\ud559, \ub2f4\uc218\ud654 \ub610\ub294 \ubc1c\uc804 \ubd84\uc57c\uc758 \uc2dc\uc2a4\ud15c\uc744 \uc124\uacc4\ud558\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\uc5d0\uac8c \uc62c\ubc14\ub978 \ud569\uae08\uc744 \uc9c0\uc815\ud558\ub294 \uac83\uc740 \ub9e4\uc6b0 \uc911\uc694\ud55c \uacb0\uc815\uc785\ub2c8\ub2e4. \ud575\uc2ec \ub17c\uc7c1\uc740 \uc885\uc885 \ud2b9\uc815 \uc57c\uae08 \uc784\uacc4\uac12\uc744 \uc911\uc2ec\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4. \ub2c8\ucf08 \ud569\uae08 \ub300 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8<\/a><\/b> \ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub450 \uc7ac\ub8cc\uad70 \ubaa8\ub450 \ub0b4\uc2dd\uc131\uc744 \uc704\ud574 \uc218\ub3d9 \uc0b0\ud654\ubb3c \uce35\uc5d0 \uc758\uc874\ud558\uc9c0\ub9cc, \uae30\ubcf8 \ub9e4\ud2b8\ub9ad\uc2a4\ub294 \uc5f4 \ud53c\ub85c, \uc5fc\ud654\ubb3c\ub85c \uc778\ud55c \uc2a4\ud2b8\ub808\uc2a4 \ubc0f \uc0b0\uc131\uc774 \uac15\ud55c \uacf5\uc815 \uc720\uccb4\uc5d0 \ub300\ud55c \uadfc\ubcf8\uc801\uc73c\ub85c \ub2e4\ub978 \ubc18\uc751\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc18c\uc7ac\uc758 \uace0\uc720\ud55c \uc57c\uae08 \uba54\ucee4\ub2c8\uc998\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \uce58\uba85\uc801\uc778 \uad6d\ubd80\uc801 \uace0\uc7a5\uc744 \ubc29\uc9c0\ud558\uace0 \uc911\uc694 \uc778\ud504\ub77c\uc758 \uc218\uba85 \uc8fc\uae30\ub97c \ucd5c\uc801\ud654\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n

\"\ub2c8\ucf08<\/p>\n

\uc57c\uae08\ud559 \uae30\uc900\uc120: \ucca0 \ub300 \ub2c8\ucf08 \ub9e4\ud2b8\ub9ad\uc2a4<\/h3>\n

\ub2c8\ucf08 \ud569\uae08\uacfc \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \uc131\ub2a5\uc744 \uc81c\ub300\ub85c \ud3c9\uac00\ud558\ub824\uba74 \uba3c\uc800 \uc57c\uae08 \ub9e4\ud2b8\ub9ad\uc2a4\uc758 \uc6a9\ub9e4 \uc6d0\uc18c\ub97c \uc0b4\ud3b4\ubd10\uc57c \ud569\ub2c8\ub2e4. \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \ucd5c\uc18c 10.5%\uc758 \ud06c\ub86c\uc744 \ud568\uc720\ud55c \ucca0 \uae30\ubc18 \ud569\uae08\uc785\ub2c8\ub2e4. 316L\uacfc \uac19\uc740 \ud45c\uc900 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \ub4f1\uae09\uc740 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \uad6c\uc870\ub97c \uc548\uc815\ud654\ud558\uace0 \uad6d\ubd80 \ub0b4\uc2dd\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uae30 \uc704\ud574 \uc57d 10-14% \ub2c8\ucf08\uacfc 2-3% \ubab0\ub9ac\ube0c\ub374\uc744 \ud1b5\ud569\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ucca0\uc774 \uc9c0\ubc30\uc801\uc778 \uaca9\uc790\ub294 \uadf9\ud55c\uc758 \uc0c1\ud669\uc5d0\uc11c \ud2b9\uc815 \uace0\uc7a5 \ubaa8\ub4dc\uc5d0 \ucde8\uc57d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ubc18\ub300\ub85c, \ub2c8\ucf08 \ud569\uae08<\/a> (such as Inconel\u00ae, Hastelloy\u00ae, or Monel\u00ae) utilize nickel as the primary base metal rather than iron. This shift in the baseline matrix drastically alters the material’s thermodynamic stability. Nickel readily accommodates high weight percentages of alloying elements like chromium, molybdenum, and tungsten in solid solution without forming detrimental intermetallic phases (such as Sigma phase) that often plague highly alloyed stainless steels during thermal cycling.<\/p>\n

\uc815\ub7c9\uc801 \uc131\ub2a5 \ube44\uad50<\/h3>\n

\ub2e4\uc74c \ud45c\ub294 \ud504\ub9ac\ubbf8\uc5c4 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8\uacfc \ud45c\uc900 \uace0\uc6a9\uccb4 \uac15\ud654 \ub2c8\ucf08 \ud569\uae08\uc758 \uc784\uacc4\uac12 \ucc28\uc774\ub97c \uac15\uc870\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
\uc57c\uae08 \ub9e4\uac1c\ubcc0\uc218<\/strong><\/td>\n316L \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8<\/strong><\/td>\n\ud569\uae08 625(\ub2c8\ucf08 \ud569\uae08)<\/strong><\/td>\n<\/tr>\n<\/thead>\n
\uae30\ubcf8 \uae30\ubcf8 \uc694\uc18c<\/b><\/span><\/td>\n\ucca0(Fe)<\/span><\/td>\n\ub2c8\ucf08(Ni)<\/span><\/td>\n<\/tr>\n
\uacf5\uce6d \ub2c8\ucf08 \ud568\ub7c9<\/b><\/span><\/td>\n10.0% – 14.0%<\/span><\/td>\n\ucd5c\uc18c 58.0%<\/span><\/td>\n<\/tr>\n
\ubab0\ub9ac\ube0c\ub374 \ucf58\ud150\uce20<\/b><\/span><\/td>\n2.0% – 3.0%<\/span><\/td>\n8.0% – 10.0%<\/span><\/td>\n<\/tr>\n
\uc77c\ubc18\uc801\uc778 \ud56d\ubcf5 \uac15\ub3c4<\/b><\/span><\/td>\n~170 MPa<\/span><\/td>\n~414 MPa<\/span><\/td>\n<\/tr>\n
PREN(\ud53c\ud305 \uc800\ud56d)<\/b><\/span><\/td>\n~24<\/span><\/td>\n~50<\/span><\/td>\n<\/tr>\n
\uc5fc\ud654\ubb3c SCC \uc800\ud56d<\/b><\/span><\/td>\n\ub0ae\uc74c(60\u00b0C \uc774\uc0c1 \ucde8\uc57d)<\/span><\/td>\n\ub192\uc740 \uba74\uc5ed\ub825<\/span><\/td>\n<\/tr>\n
\ucd5c\ub300 \uc11c\ube44\uc2a4 \uc628\ub3c4<\/b><\/span><\/td>\n~870\u00b0C(\uc2a4\ucf00\uc77c\ub9c1 \ubc1c\uc0dd)<\/span><\/td>\n~980\u00b0C(\ub192\uc740 \ub0b4\uc0b0\ud654\uc131)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\uc5fc\ud654\ubb3c \uc784\uacc4\uac12 \ubc0f \uace0\uc628 \ud06c\ub9ac\ud504<\/h3>\n

\uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uacfc \ub2c8\ucf08 \ud569\uae08\uc744 \uc120\ud0dd\ud558\ub294 \uacfc\uc815\uc5d0\uc11c \uac00\uc7a5 \uacb0\uc815\uc801\uc778 \uc694\uc18c \uc911 \ud558\ub098\ub294 \uc5fc\ud654\ubb3c \uc751\ub825 \ubd80\uc2dd \uade0\uc5f4(CSCC) \ud604\uc0c1\uc785\ub2c8\ub2e4. \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 CSCC\uc5d0 \ucde8\uc57d\ud55c \uac83\uc73c\ub85c \uc545\uba85\uc774 \ub192\uc2b5\ub2c8\ub2e4. \ucf65\uc2a8 \uace1\uc120\uc5d0 \ub530\ub974\uba74 \ub2c8\ucf08 \ud568\ub7c9\uc774 \ud45c\uc900 300 \uc2dc\ub9ac\uc988 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \uc815\ud655\ud55c \ubc94\uc704\uc778 8%\uc5d0\uc11c 12% \uc0ac\uc774\uc778 \uc18c\uc7ac\ub294 \ub530\ub73b\ud55c \uc5fc\ud654\ubb3c \ud658\uacbd\uc5d0\uc11c \uae09\uc18d \uade0\uc5f4\uc5d0 \uac00\uc7a5 \ucde8\uc57d\ud55c \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \uc778\uc7a5 \uc751\ub825\uacfc \uc5fc\ud654\ubb3c\uc774 \uc788\ub294 \uc0c1\ud0dc\uc5d0\uc11c \uacf5\uc815 \uc628\ub3c4\uac00 60\u00b0C\ub97c \ucd08\uacfc\ud558\uba74 \ucca0 \uae30\ubc18 \uaca9\uc790\ub294 \uba70\uce60 \ub9cc\uc5d0 \uace0\uc7a5\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uace0\ub2c8\ucf08 \ud569\uae08\uc740 \uc774\ub7ec\ud55c \ucde8\uc57d\uc131\uc744 \uc644\uc804\ud788 \uc6b0\ud68c\ud569\ub2c8\ub2e4. \ub2c8\ucf08 \uc9c8\ub7c9 \ubd84\uc728\uc744 42% \uc774\uc0c1\uc73c\ub85c \ub192\uc784\uc73c\ub85c\uc368 \uc6d0\uc790 \uaca9\uc790\ub294 \uc5fc\ud654\ubb3c\ub85c \uc778\ud55c \uc785\uacc4 \uade0\uc5f4\uc5d0 \uc0ac\uc2e4\uc0c1 \uba74\uc5ed\uc774 \ub429\ub2c8\ub2e4.<\/p>\n

\ub610\ud55c \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uc0ac\uc6cc \uac00\uc2a4 \ub610\ub294 \uc5fc\ud654\ubb3c\uc774 \ub9ce\uc740 \uc0b0\uc131 \uc870\uac74\uc5d0\uc11c \uc131\ub2a5\uc744 \uc608\uce21\ud558\uae30 \uc704\ud574 \ub0b4\uacf5 \uc800\ud56d \ub4f1\uac00 \uc218(PREN)\ub97c \uacc4\uc0b0\ud574\uc57c \ud569\ub2c8\ub2e4. \uacf5\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4: PREN<\/span>=<\/span><\/span>%<\/span>C<\/span>r<\/span>+<\/span><\/span>3.3<\/span>\u00d7<\/span><\/span>%<\/span>M<\/span>o<\/span>+<\/span><\/span>16<\/span>\u00d7<\/span><\/span>%<\/span>N<\/span><\/span><\/span><\/span><\/span> \uace0\uae09 \uc288\ud37c \ub4c0\ud50c\ub809\uc2a4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 PREN\uc774 40\uc5d0 \ub2ec\ud560 \uc218 \uc788\uc9c0\ub9cc, \ub2c8\ucf08-\ubab0\ub9ac\ube0c\ub374-\ud06c\ub86c \ud569\uae08\uc740 \uc77c\ubc18\uc801\uc73c\ub85c PREN\uc774 50\uc744 \ucd08\uacfc\ud558\uc5ec \uad6d\ubd80\uc801\uc778 \ud53c\ud305\uc5d0 \ub300\ud574 \ub6ab\uc744 \uc218 \uc5c6\ub294 \uc7a5\ubcbd\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

\ubd80\uc2dd \uc678\uc5d0\ub3c4 \uc5f4 \ud06c\ub9ac\ud504\ub294 \uac00\uc2a4 \ud130\ube48\uacfc \uc6d0\uc790\ub85c \uc6a9\uae30\uc758 \uc18c\uc7ac \uc120\ud0dd\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ub2c8\ucf08 \ud569\uae08\uc740 \ucca0 \uae30\ubc18 \ud569\uae08\uc774 \uc778\uc7a5 \uac15\ub3c4\ub97c \uae09\uaca9\ud788 \uc783\ub294 \uace0\uc628\uc5d0\uc11c \uad6c\uc870\uc801 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4. \ub2c8\ucf08 \ud569\uae08\uc758 \uba74 \uc911\uc2ec \uc785\ubc29\uccb4(FCC) \uad6c\uc870\ub294 \uac10\ub9c8 \uc6d0\uc0c1(\u03b3<\/span>\u2032<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>), 1000\u00b0C\uc758 \uc628\ub3c4\uc5d0\uc11c \ud0c1\uc6d4\ud55c \ud06c\ub9ac\ud504 \ud30c\uc5f4 \uac15\ub3c4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n

\"\ub2c8\ucf08<\/p>\n

\uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uac80\uc99d<\/h3>\n

\uc62c\ubc14\ub978 \uc57c\uae08 \uacbd\uacc4\ub97c \uc9c0\uc815\ud558\ub824\uba74 \ud2b9\uc815 \ub9e4\uccb4 \ub18d\ub3c4, \uc791\ub3d9 \uc628\ub3c4 \ubc0f \uc751\ub825 \ubd80\ud558\ub97c \ubd84\uc11d\ud574\uc57c \ud569\ub2c8\ub2e4. \uace0\ub2c8\ucf08 \ud569\uae08\uc73c\ub85c \uacfc\uc789 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1\ud558\uba74 \uc790\ubcf8 \uc9c0\ucd9c\uc774 \uc99d\uac00\ud558\uace0, \ud45c\uc900 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc73c\ub85c \uacfc\uc18c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1\ud558\uba74 \uc7ac\uc559\uc801\uc778 \uc6b4\uc601 \uc911\ub2e8\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud604\uc7ac \uc6b4\uc601 \ub9e4\uac1c\ubcc0\uc218\ub85c \uc778\ud574 \uc57c\uae08 \uacf5\uc815\uc774 \ud55c\uacc4\uc5d0 \ub2e4\ub2e4\ub790\ub2e4\uba74 28Nickel\uc758 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud300\uc5d0 \ubb38\uc758\ud558\uc138\uc694. \uc815\ud655\ud55c \ud654\ud559 \ud658\uacbd\uacfc \uc5f4 \uc21c\ud658 \ub370\uc774\ud130\ub97c \ud3c9\uac00\ud558\uc5ec \ub2e4\uc74c \uc911\uc694 \uc81c\uc870\ub97c \uc704\ud574 \uc5c4\uaca9\ud558\uac8c \uacc4\uc0b0\ub41c \uc18c\uc7ac \ucd94\ucc9c\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\n

\uad00\ub828 Q&A<\/h3>\n

Q: \uc555\ub825 \uc6a9\uae30 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc744 \uace0\ub2c8\ucf08 \ud569\uae08\uc5d0 \uc6a9\uc811\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/b><\/p>\n

A: \uc608, \uc774\uc885 \uae08\uc18d \uc6a9\uc811\uc740 \uc77c\ubc18\uc801\uc774\uc9c0\ub9cc \uac08\ubc14\ub2c9 \ubd80\uc2dd\uacfc \uc5f4\ud33d\ucc3d \ubd88\uc77c\uce58\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc815\ubc00\ud55c \ud544\ub7ec \uae08\uc18d \uc120\ud0dd\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc6a9\uc811 \ud480\uc5d0 \uade0\uc5f4\uc5d0 \ubbfc\uac10\ud55c \ubbf8\uc138 \uad6c\uc870\ub97c \ud615\uc131\ud558\uc9c0 \uc54a\uace0 \ucca0 \uae30\ubc18 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \ud76c\uc11d\uc744 \ud761\uc218\ud560 \uc218 \uc788\ub294 ERNiCrMo-3(\ud569\uae08 625)\uc640 \uac19\uc740 \ub2c8\ucf08 \uae30\ubc18 \ud544\ub7ec \uae08\uc18d\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n

Q: \ub4c0\ud50c\ub809\uc2a4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774 \ub2c8\ucf08 \ud569\uae08\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc911\uac04\uae09 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc778\uac00\uc694?<\/b><\/p>\n

A: Duplex stainless steels (ferritic-austenitic) offer excellent chloride stress corrosion cracking resistance and higher yield strength than 300-series stainless steels, often serving as a cost-effective bridge. However, they are metallurgically limited by an upper service temperature threshold of approximately 250\u00b0C. Above this, they suffer from “475\u00b0C embrittlement,” making nickel alloys the mandatory choice for high-temperature applications.<\/p>\n

Q: \ubab0\ub9ac\ube0c\ub374\uc758 \uc874\uc7ac \uc5ec\ubd80\uc5d0 \ub530\ub77c \uc774 \ub450 \uae08\uc18d \uc81c\ud488\uad70 \uc911 \uc5b4\ub5a4 \uc120\ud0dd\uc744 \ud574\uc57c \ud558\ub098\uc694?<\/b><\/p>\n

A: \ubab0\ub9ac\ube0c\ub374\uc740 \uc5fc\uc0b0\uc774\ub098 \ud669\uc0b0\uacfc \uac19\uc740 \ud658\uc6d0\uc131 \uc0b0\uc131 \ud658\uacbd\uc5d0\uc11c \uad6d\ubd80\uc801\uc778 \ud53c\ud305 \ubc0f \ud2c8\uc0c8 \ubd80\uc2dd\uc5d0 \uc800\ud56d\ud558\ub294 \uc8fc\uc694 \uc6d0\ub3d9\ub825\uc785\ub2c8\ub2e4. 316L \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8\uc740 \ucd5c\ub300 \uc57d 3% Mo\uc774\uc9c0\ub9cc, \ub2e4\uc74c\uacfc \uac19\uc740 \uace0\uae09 \ub2c8\ucf08 \ud569\uae08\uc740 \ud558\uc2a4\ud154\ub85c\uc774 C-276<\/a> \ucd5c\ub300 16% Mo\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc720\uccb4 \ubd84\uc11d \uacb0\uacfc \ud65c\uc131 \ud658\uc6d0 \uc5fc\ud654\ubb3c\uc774 \ud655\uc778\ub418\uba74 \uae09\uc18d\ud55c \uad6d\ubd80\uc801 \ubcbd \uc190\uc2e4\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ub2c8\ucf08 \ub9e4\ud2b8\ub9ad\uc2a4\uc758 \ubab0\ub9ac\ube0c\ub374 \uc6a9\ud574\ub3c4 \uc81c\ud55c\uc774 \ub354 \ub192\uc544\uc57c \ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

Material degradation in aggressive process environments rarely announces itself before a critical failure occurs. For engineers designing systems in petrochemical, desalination, or power generation sectors, specifying the correct alloy is a high-stakes decision. The core debate often centers on a specific metallurgical threshold: evaluating nickel alloy vs stainless steel for boundary-condition applications. 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