International Standard INTERNATIONAL ORGANIZATION FOR STANDARDIZATlON*ME))(GIYHAPOAHAR OPTAHkl3AL&lR f l0 CTAH~APTbl3ALWl ORGANlSATlON INTERNATIONALE DE F;IORMALISATiON Hot rolled steel sections Part[.]
International Standard INTERNATIONAL ORGANIZATION FOR STANDARDIZATlON*ME))(GIYHAPOAHAR OPTAHkl3AL&lR f-l0 CTAH~APTbl3ALWl.ORGANlSATlON INTERNATIONALE Hot-rolled steel sections Part 18 I L sections for shipbuilding (metric series) Dimensions, sectional properties and tolerances Profilks en acier lamin chaud Partie 78 : Profilb en L pour la construction tokrances First edition navale fsbrie mbtrique) - Dimensions, caract&istiques - aux axes et - 1980-02-15 UDC 669.14-423 : 629.12 Descriptors rapportkes DE F;IORMALISATiON : metal sections, steel products, Ref No hot rolled products, shipbuilding, sectional properties, dimensions, IS0 657/18-1980 (E) dimensional tolerances Price based on pages 2007-07-25 ,정성화에 라이센스를 부여하며 불법 복사 및 무단 배포를 금합니다 FOREWORD IS0 (the International Organization for Standardization) is a worldwide federation of national standards institutes (IS0 member bodies) The work of developing International Standards is carried out through IS0 technical committees Every member body interested in a subject for which a technical committee has been set up has the right to be represented on that committee International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the IS0 Council International Standard IS0 657/18 (formerly lSO/DlS 4973) was developed by Technical Committee lSO/TC 17, Steel, and was circulated to the member bodies in January 1978 It has been approved by the member bodies of the following Belgium Bulgaria Canada Czechoslovakia Denmark Egypt, Arab Rep of Finland France Germany, F.R India Iran Ireland Italy Korea, Dem P Rep of Korea, Rep of Mexico Netherlands New Zealand The member bodies of the following document on technical grounds : countries countries : Norway Romania South Africa, Rep of Spain Sweden Switzerland Turkey United Kingdom USSR expressed disapproval of the Japan USA International Printed Organization for Standardization, 1980 l in Switzerland 2007-07-25 ,정성화에 라이센스를 부여하며 불법 복사 및 무단 배포를 금합니다 INTERNATIONAL STANDARD IS0 657/18-1980 (E) Hot-rolled steel sections Part 18 I L sections for shipbuilding (metric series) Dimensions, sectional properties and tolerances SCOPE AND FIELD OF APPLICATION This International Standard specifies dimensions, steel L sections for shipbuilding - sectional properties and dimensional tolerances for metric series hot-rolled DESIGNATION Hot-rolled steel L sections for shipbuilding shall be designated by the letter L followed width of the flange, B, the thickness of the web, t, and the thickness of the flange, T Example: L25Ox 90x 9x by the height of the web, H, the 13 2007-07-25 ,정성화에 라이센스를 부여하며 불법 복사 및 무단 배포를 금합니다 IS0 657/18-1980 (E) DIMENSIONS The dimensions of L sections shalt be as given in table TABLE Mass Designation Sectior area 1 - Dimensions and sectional properties Dimensions Centroid Moment of inertia A kg/m cm cm L2OOX 90x x 12 22,0 28,l L225X 90X X 12 23,8 30,3 7,7-l 1610 L25OX 90X X 13 26,2 33,4 8,64 2190 L 250 x 90 X IO,5 x 15 30,3 38,5 8,76 2510 L25Ox 90X 32,7 41,7 8,90 2710 11,5X 16 6,63 1160 L 275 X 100 X IO,5 X 14 32,8 41,8 L 300 x 100 x IO,5 x 15 35,6 45,3 IO,6 4290 L300 x 16 38,5 49,0 IO,7 4630 L 325 x 120 X IO,5 X 14 39,3 50,l II,3 5600 L325x 15 42,6 54,3 II,4 6060 L 350 X 120 X IO,5 x 16 43,l 54,9 12,0 7110 L350 x 18 47,4 60,4 12,0 7780 18 46,9 59,7 12,7 8850 51,4 65,4 12,7 9650 x 100 x II,5 120X 11,5x X 120 x II,5 L375x 120X 10,5X L375X 120x 11,5x20 120X 11,5X L4OOX L425 x 120 x II,5 9,72 23 56,2 71,6 13,3 x 24 59,3 75,5 14,2 L45OX 120X 11,5X 25 62,4 79,5 15,l L475X 120X 11,5x 28 67,2 85,6 15,7 3330 14200 72,4 92,2 15,9 21600 33 77,4 98,6 16,5 25500 L 500 x 120 x 13,5 x 35 82,8 16,6 27100 L475X 120x 12,5X30 L5OOX 120X 12,5X 105 2007-07-25 ,정성화에 라이센스를 부여하며 불법 복사 및 무단 배포를 금합니다 lSO657/18-1980(E) 4.1 TOLERANCES Height of web and width of flange The tolerance on H and B shall be as given in table TABLE Values in millimetres I Height of web, H Over Tolerance on Hand B Up to and including , - 200 +3 200 - +4 v 4.2 Web thickness The tolerance on t shall be I $i mm I 4.3 Flange thickness The tolerance on T shall be as given in table TABLE Values in millimetres Thickness, T Tolerance Up to and including Over + 2,0 - 0,4 - 20 20 30 + 2,0 - 0,5 35 + 2,5 - 0,6 30 I 4.4 Camber The maximum permissible camber, when measured over the entire length, r FIGURE is 0,s % L (see figure 1) Camber - Measurement of camber 2007-07-25 ,정성화에 라이센스를 부여하며 불법 복사 및 무단 배포를 금합니다 IS0 657/l 8-l 980 (E) 4.5 Out-of -square The legs shall be perpendicular to each other within the end of the shorter leg (see figure 2) Deviation deviation of 2,s % B The deviation shall be measured at Deviation W -J -I- FIGURE 4.6 a maximum - Measurement of out-of-square Flatness The tolerance on flatness of the web shall be subject to agreement between the purchaser and manufacturer from flatness shall, however, be measured as shown in figure -r The deviation Steel straightedge I I I / I I I I I ; I FIGURE 4.7 Deviation - Measurement of deviation in flatness of web Length The tolerance on length shall be ’ “00 mm The L sections may be supplied to tighter length tolerances subject to agreement between the purchaser and supplier 2007-07-25 ,정성화에 라이센스를 부여하며 불법 복사 및 무단 배포를 금합니다 This page intentionally left blank 2007-07-25 ,정성화에 라이센스를 부여하며 불법 복사 및 무단 배포를 금합니다 This page intentionally left blank 2007-07-25 ,정성화에 라이센스를 부여하며 불법 복사 및 무단 배포를 금합니다