{"id":4214,"date":"2026-02-09T06:15:38","date_gmt":"2026-02-09T06:15:38","guid":{"rendered":"https:\/\/www.railgrindingwheel.com\/?p=4214"},"modified":"2026-06-09T06:18:51","modified_gmt":"2026-06-09T06:18:51","slug":"dimensiones-de-los-tramos-de-via","status":"publish","type":"post","link":"https:\/\/www.railgrindingwheel.com\/es\/dimensiones-de-los-tramos-de-via\/","title":{"rendered":"Dimensiones de la secci\u00f3n del riel"},"content":{"rendered":"
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Dimensiones de la secci\u00f3n del riel<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Las dimensiones de los perfiles de los rieles incluyen principalmente la altura del riel, el ancho de la base, el ancho de la cabeza, el espesor del alma, la profundidad de la cabeza, la profundidad de la base y el peso nominal por yarda o metro. Las dimensiones de los rieles ferroviarios permiten identificar los tipos de la mayor\u00eda de los rieles.<\/p><\/div>

\u00a0En los siguientes gr\u00e1ficos se enumeran los m\u00e1s comunes\u00a0v\u00eda f\u00e9rrea<\/a>\u00a0dimensiones tales como\u00a0ASCE Rail<\/a>,\u00a0115Re Rail<\/a>,\u00a0Riel UIC60<\/a>,\u00a0Riel DIN<\/a>, otros\u00a0Carril de gr\u00faa<\/a>, y m\u00e1s. Tambi\u00e9n se muestran algunas de las marcas de f\u00e1brica en los rieles.<\/p>

Especificaci\u00f3n ferroviaria de la ASCE\/AREA\/ARA<\/h2>
ASCE Rails (Asociaci\u00f3n de Ingenier\u00eda \u2013 Sociedad Americana de Ingenieros Civiles)<\/center><\/td><\/tr><\/thead>
Tipo de riel<\/strong><\/td>\u00cdndice de secciones<\/strong><\/td>Marca web com\u00fan<\/strong><\/td>Peso por yarda<\/strong><\/td>Altura en pulgadas<\/strong><\/td>Ancho de la base<\/strong>\u00a0pulgada<\/strong><\/td>Ancho de la cabeza (pulgadas)\u00a0<\/strong>\u00a0<\/td>Espesor de la malla en pulgadas<\/strong><\/td>Longitud habitual (pies)<\/strong><\/td><\/tr>
ASCE<\/td>1240 \u00a0<\/td>12AS<\/td>5,4 kg.<\/td>2<\/td>2<\/td>1<\/td>3\/16 \u00a0<\/td>30<\/td><\/tr>
ASCE<\/td>1640 \u00a0<\/td>16AS<\/td>7,25 kg.<\/td>2 3\/8 \u00a0<\/td>2 3\/8 \u00a0<\/td>1 11\/64<\/td>7\/32<\/td>30<\/td><\/tr>
ASCE<\/td>2040 \u00a0<\/td>20AS<\/td>9 kg.<\/td>2 5\/8<\/td>2 5\/8<\/td>1 11\/32<\/td>1\/4<\/td>30<\/td><\/tr>
ASCE<\/td>2540 \u00a0<\/td>25AS<\/td>11 kg.<\/td>2 3\/4 \u00a0<\/td>2 3\/4 \u00a0<\/td>1 1\/2<\/td>19\/64<\/td>40,30<\/td><\/tr>
ASCE<\/td>3040<\/td>30AS<\/td>13,6 kg.<\/td>3 1\/8<\/td>3 1\/8<\/td>1 11\/16<\/td>21\/64<\/td>40,30<\/td><\/tr>
ASCE<\/td>3540 \u00a0<\/td>35AS<\/td>16 kg.<\/td>3 5\/16<\/td>3 5\/16<\/td>1 3\/4<\/td>23\/64<\/td>\u00a0<\/td><\/tr>
ASCE<\/td>4040 \u00a0<\/td>40AS<\/td>18 kg.<\/td>3 1\/2<\/td>3 1\/2<\/td>1 7\/8<\/td>25\/64<\/td>40,30<\/td><\/tr>
ASCE<\/td>4540 \u00a0<\/td>45AS<\/td>20 kg.<\/td>3 11\/16<\/td>3 11\/16<\/td>2<\/td>27\/64<\/td>\u00a0<\/td><\/tr>
ASCE<\/td>5040 \u00a0<\/td>50AS<\/td>22,7 kg.<\/td>3 7\/8<\/td>3 7\/8<\/td>2 1\/8<\/td>7\/16<\/td>\u00a0<\/td><\/tr>
ASCE<\/td>5540 \u00a0<\/td>55AS<\/td>25 kg.<\/td>4 1\/16 \u00a0<\/td>4 1\/16 \u00a0<\/td>2 1\/4<\/td>15\/32<\/td>\u00a0<\/td><\/tr>
ASCE<\/td>6040 \u00a0<\/td>60AS<\/td>27 kg.<\/td>4 1\/4<\/td>4 1\/4<\/td>2 3\/8<\/td>31\/64<\/td>40,33,30<\/td><\/tr>
ASCE<\/td>6540 \u00a0<\/td>65AS<\/td>29,5 kg<\/td>4 7\/16<\/td>4 7\/16<\/td>2 13\/32<\/td>1\/2<\/td>\u00a0<\/td><\/tr>
ASCE<\/td>7040 \u00a0<\/td>70AS<\/td>32 kg<\/td>4 5\/8<\/td>4 5\/8<\/td>2 7\/16<\/td>33\/64<\/td>\u00a0<\/td><\/tr>
ASCE<\/td>7540 \u00a0<\/td>75AS<\/td>34 kg.<\/td>4 13\/16<\/td>4 13\/16<\/td>2 15\/32 \u00a0<\/td>17\/32 \u00a0<\/td>\u00a0<\/td><\/tr>
ASCE<\/td>8040 \u00a0<\/td>80AS<\/td>36 kg.<\/td>5<\/td>5<\/td>2 1\/2<\/td>35\/64 \u00a0<\/td>39,33<\/td><\/tr>
ASCE<\/td>8540 \u00a0<\/td>85AS<\/td>38,5 kg.<\/td>5 3\/16<\/td>5 3\/16<\/td>2 9\/16<\/td>9\/16<\/td>39,33<\/td><\/tr>
ASCE<\/td>9040 \u00a0<\/td>90AS<\/td>40,8 kg.<\/td>5 3\/8<\/td>5 3\/8<\/td>2 5\/8<\/td>9\/16<\/td>33,30<\/td><\/tr>
ASCE<\/td>10040 \u00a0<\/td>100AS<\/td>45 kg.<\/td>5 3\/4<\/td>5 3\/4<\/td>2 3\/4<\/td>9\/16<\/td>\u00a0<\/td><\/tr>
AREA Rails (Asociaci\u00f3n de Ingenier\u00eda \u2013 Asociaci\u00f3n Estadounidense de Ingenier\u00eda Ferroviaria)<\/center><\/td><\/tr>
Tipo de riel<\/strong><\/td>\u00cdndice de secciones<\/strong><\/td>Marca web com\u00fan<\/strong><\/td>Peso por yarda<\/strong><\/td>Altura en pulgadas<\/strong><\/td>Ancho de la base en pulgadas<\/strong><\/td>Ancho de la cabeza en pulgadas \u00a0<\/strong><\/td>Espesor de la malla en pulgadas<\/strong><\/td>Longitud habitual (pies)<\/strong><\/td><\/tr>
\u00c1REA<\/td>11525<\/td>115RE<\/td>52 kg.<\/td>6 5\/8 \u00a0<\/td>5 1\/2 \u00a0<\/td>2 23\/32<\/td>5\/8 \u00a0<\/td>39,33<\/td><\/tr>
\u00c1REA<\/td>13637<\/td>136RE<\/td>61,7 kg.<\/td>7 5\/16<\/td>6<\/td>2 15\/16 \u00a0<\/td>11\/16 \u00a0<\/td>39<\/td><\/tr>
\u00c1REA<\/td>14025<\/td>140RE<\/td>63,5 kg.<\/td>7 5\/16<\/td>6<\/td>3<\/td>3\/4<\/td>39<\/td><\/tr>
ARA-A, ARA-B Rails (Asociaci\u00f3n de Ingenieros \u2013 Asociaci\u00f3n Ferroviaria Estadounidense)<\/center><\/td><\/tr>
Tipo de riel<\/strong><\/td>\u00cdndice de secciones<\/strong><\/td>Marca web com\u00fan<\/strong><\/td>Peso por yarda<\/strong><\/td>Altura en pulgadas<\/strong><\/td>Ancho de la base en pulgadas<\/strong><\/td>Ancho de la cabeza en pulgadas \u00a0<\/strong><\/td>Espesor de la malla en pulgadas<\/strong><\/td>Longitud habitual (pies)<\/strong><\/td><\/tr>
ARA-A<\/td>9020 \u00a0<\/td>90RA \u00a0<\/td>40,8 kg.<\/td>5 5\/8<\/td>5 1\/8 \u00a0<\/td>2 9\/16 \u00a0<\/td>9\/16 \u00a0<\/td>39,33<\/td><\/tr>
ARA-A<\/td>10020 \u00a0<\/td>100RA<\/td>45 kg. \u00a0<\/td>6<\/td>5 1\/2 \u00a0<\/td>2 3\/4 \u00a0<\/td>9\/16 \u00a0<\/td>39,33<\/td><\/tr>
ARA-B<\/td>9030<\/td>90RB<\/td>40,8 kg.<\/td>5 17\/64 \u00a0<\/td>4 49\/6 \u00a0<\/td>2 9\/16 \u00a0 \u00a0<\/td>9\/16 \u00a0<\/td>\u00a0<\/td><\/tr>
ARA-B<\/td>10030<\/td>100RB<\/td>45 kg.<\/td>5 41\/64 \u00a0<\/td>5 9\/64 \u00a0<\/td>2 21\/32 \u00a0<\/td>9\/16 \u00a0<\/td>39,33<\/td><\/tr><\/tbody><\/table><\/figure>

Especificaci\u00f3n ferroviaria de la norma EN (EN 13674-1-2003)<\/h2>
Tipo de riel<\/strong><\/td>Cabeza<\/strong>\u00a0ancho<\/strong>\u00a0(mm)<\/strong><\/td>Altura<\/strong>\u00a0(mm)<\/strong><\/td>Base<\/strong>\u00a0ancho<\/strong>\u00a0(mm)<\/strong><\/td>Web<\/strong>\u00a0espesor<\/strong>\u00a0(mm)<\/strong><\/td>Peso nominal (kg\/m)<\/strong><\/td>Secci\u00f3n transversal<\/strong>\u00a0\u00c1rea (cm)2)<\/sup><\/strong><\/td>M. de inercia<\/strong>\u00a0(cm4<\/sup>)<\/strong>\u00a0\u00a0<\/strong><\/td>Longitud<\/strong>\u00a0\uff08<\/strong>m<\/strong>\uff09<\/strong><\/td><\/tr>
60E1 (UIC60)<\/strong><\/td>72<\/td>172<\/td>150<\/td>16.5<\/td>60.21<\/td>76.70<\/td>3038.3
512.3<\/td>		12-25<\/td><\/tr>
55E1 (U55)<\/strong><\/td>62<\/td>155<\/td>134<\/td>19<\/td>56.03<\/td>71.4<\/td>2150.4
418.4<\/td>		12-25<\/td><\/tr>
54E1<\/strong>\u00a0<\/strong>(UIC54)<\/strong><\/td>70<\/td>159<\/td>140<\/td>16<\/td>54.77<\/td>69.77<\/td>2337.9
419.2<\/td>		12-25<\/td><\/tr>
54E3<\/strong>\u00a0<\/strong>(S54)<\/strong><\/td>67<\/td>154<\/td>125<\/td>16<\/td>54.57<\/td>69.52<\/td>2074.0
354.8<\/td>		12-25<\/td><\/tr>
50E1<\/strong>\u00a0<\/strong>(U50E)<\/strong><\/td>65<\/td>153<\/td>134<\/td>15.5<\/td>50.37<\/td>64.2<\/td>1987.8
365.0<\/td>		12-25<\/td><\/tr>
50E2<\/strong>\u00a0<\/strong>(50EB-T)<\/strong><\/td>72<\/td>151<\/td>140<\/td>15<\/td>49.97<\/td>50.66<\/td>1988.8
408.4<\/td>		12-25<\/td><\/tr>
50E4<\/strong>\u00a0<\/strong>(UIC50)<\/strong><\/td>70<\/td>152<\/td>125<\/td>15<\/td>50.46<\/td>64.3<\/td>1934.0
315.2<\/td>		12-25<\/td><\/tr>
50E5<\/strong>
(50 UNI)<\/strong><\/td>		67<\/td>148<\/td>135<\/td>14<\/td>49.9<\/td>63.6<\/td>1844.0
362.4<\/td>		12-25<\/td><\/tr>
50E6<\/strong>\u00a0<\/strong>(Menores de 50)<\/strong><\/td>65<\/td>153<\/td>140<\/td>15.5<\/td>50.9<\/td>64.89<\/td>2017.8
396.8<\/td>		12-25<\/td><\/tr>
49E1<\/strong>\u00a0<\/strong>(S49)<\/strong><\/td>67<\/td>149<\/td>125<\/td>14<\/td>49.39<\/td>62.92<\/td>1816.0
319.1<\/td>		12-25<\/td><\/tr>
49E2
( S49T)<\/strong><\/td>		67<\/td>148<\/td>125<\/td>14<\/td>49.1<\/td>62.6<\/td>1796.3
318.4<\/td>		12-25<\/td><\/tr><\/tbody><\/table><\/figure>

Especificaciones ferroviarias del Reino Unido<\/h2>
GB11264-89\/YB222-63<\/center><\/td><\/tr>
Tipo de riel<\/strong><\/td>Ancho del cabezal (mm)<\/strong><\/td>Altura (mm)<\/strong><\/td>Ancho de la base (mm)<\/strong><\/td>Espesor de la malla (mm)<\/strong><\/td>Cruz<\/strong>\u00a0\u00c1rea de la secci\u00f3n (cm)2<\/sup>)<\/strong><\/td>Peso nominal (kg\/m)<\/strong><\/td><\/tr>
9 kg<\/strong><\/td>32.1<\/td>63.5<\/td>63.5<\/td>5.9<\/td>11.29<\/td>8.94<\/td><\/tr>
12 kg<\/strong><\/td>38.1<\/td>69.85<\/td>69.85<\/td>7.54<\/td>15.54<\/td>12.2<\/td><\/tr>
15 kg<\/strong><\/td>42.86<\/td>79.37<\/td>79.37<\/td>8.33<\/td>19.33<\/td>15.2<\/td><\/tr>
18 kg<\/strong><\/td>40<\/td>90<\/td>80<\/td>10<\/td>23.07<\/td>18.06<\/td><\/tr>
22 kg<\/strong><\/td>50.8<\/td>93.66<\/td>93.66<\/td>10.72<\/td>28.39<\/td>22.3<\/td><\/tr>
30 kg<\/strong><\/td>60.33<\/td>107.95<\/td>107.95<\/td>12.3<\/td>38.32<\/td>30.1<\/td><\/tr>
GB2585-2007<\/center><\/td><\/tr>
Tipo de riel<\/strong><\/td>Ancho del cabezal (mm)<\/strong><\/td>Altura (mm)<\/strong><\/td>Ancho de la base (mm)<\/strong><\/td>Espesor de la red<\/strong>
(mm)<\/strong><\/td>		Cruz<\/strong>\u00a0\u00c1rea de la secci\u00f3n<\/strong>\u00a0(cm2<\/sup>)<\/strong><\/td>Peso nominal (kg\/m)<\/strong><\/td><\/tr>
43 kg<\/strong><\/td>70<\/td>140<\/td>114<\/td>14.5<\/td>57.0<\/td>44.65<\/td><\/tr>
50 kg<\/strong><\/td>70<\/td>152<\/td>132<\/td>15.5<\/td>65.8<\/td>51.51<\/td><\/tr>
60 kg<\/strong><\/td>73<\/td>176<\/td>150<\/td>16.5<\/td>77.45<\/td>60.64<\/td><\/tr><\/tbody><\/table><\/figure>

Carril de gr\u00faa<\/h2>
DIN<\/center><\/td><\/tr>
Tipo de riel<\/strong><\/td>Altura (mm)<\/strong><\/td>Ancho del cabezal (mm)<\/strong><\/td>Ancho de la base<\/strong>\u00a0(mm)<\/strong><\/td>Espesor de la malla (mm)<\/strong><\/td>Profundidad del cabezal<\/strong>\u00a0(mm)<\/strong><\/td>Profundidad de la base (mm)<\/strong><\/td>Peso nominal (kg\/m)<\/strong><\/td>\u00c1rea de la secci\u00f3n transversal<\/strong>\u00a0(cm2<\/sup>)<\/strong><\/td>Momento de inercia<\/strong>\u00a0(cm4<\/sup>)<\/strong>\u00a0\u00a0<\/strong><\/td><\/tr>
A45<\/td>55<\/td>45<\/td>125<\/td>24<\/td>20<\/td>8<\/td>22.1<\/td>28.2<\/td>90, 170<\/td><\/tr>
A55<\/td>65<\/td>55<\/td>150<\/td>31<\/td>25<\/td>9<\/td>31.8<\/td>40.5<\/td>178, 337<\/td><\/tr>
A65<\/td>75<\/td>65<\/td>175<\/td>38<\/td>30<\/td>10<\/td>43.1<\/td>54.9<\/td>319, 608<\/td><\/tr>
A75<\/td>85<\/td>75<\/td>200<\/td>45<\/td>35<\/td>11<\/td>56.2<\/td>71.6<\/td>531, 1011<\/td><\/tr>
A100<\/td>95<\/td>100<\/td>200<\/td>60<\/td>40<\/td>12<\/td>74.3<\/td>94.7<\/td>858, 1345<\/td><\/tr>
A120<\/td>105<\/td>120<\/td>220<\/td>72<\/td>47<\/td>14<\/td>100<\/td>127.4<\/td>1361, 2350<\/td><\/tr>
A150<\/td>150<\/td>150<\/td>220<\/td>80<\/td>50<\/td>14<\/td>150.3<\/td>191.4<\/td>4373, 3850<\/td><\/tr>
CHN (YB\/T5055-93)<\/center><\/td><\/tr>
Tipo de riel<\/strong><\/td>Altura (mm)<\/strong><\/td>Ancho del cabezal (mm)<\/strong><\/td>Ancho de la base<\/strong>\u00a0(mm)<\/strong><\/td>Espesor de la malla (mm)<\/strong><\/td>Profundidad del cabezal<\/strong>\u00a0(mm)<\/strong><\/td>Profundidad de la base (mm)<\/strong><\/td>Peso nominal (kg\/m)<\/strong><\/td>\u00c1rea de la secci\u00f3n transversal<\/strong>\u00a0(cm2<\/sup>)<\/strong><\/td>Momento de inercia<\/strong>\u00a0(cm4<\/sup>)<\/strong>\u00a0\u00a0<\/strong><\/td><\/tr>
QU70<\/td>120<\/td>70<\/td>120<\/td>28<\/td>32.5<\/td>24<\/td>52.8<\/td>67.3<\/td>327.16, 1081.99<\/td><\/tr>
QU80<\/td>130<\/td>80<\/td>130<\/td>32<\/td>35<\/td>26<\/td>63.69<\/td>81.13<\/td>482.39, 1547.40<\/td><\/tr>
QU100<\/td>150<\/td>100<\/td>150<\/td>38<\/td>40<\/td>30<\/td>88.96<\/td>113.32<\/td>376.94, 940.98<\/td><\/tr>
QU120<\/td>170<\/td>120<\/td>170<\/td>44<\/td>45<\/td>35<\/td>118.1<\/td>150.44<\/td>1694.83, 4923.79<\/td><\/tr>
JIS<\/center><\/td><\/tr>
Tipo de riel<\/strong><\/td>Altura (mm)<\/strong><\/td>Ancho del cabezal (mm)<\/strong><\/td>Ancho de la base<\/strong>\u00a0(mm)<\/strong><\/td>Espesor de la malla (mm)<\/strong><\/td>Peso nominal (kg\/m)<\/strong><\/td>\u00a0<\/td>\u00a0<\/td>\u00a0<\/td>\u00a0<\/td><\/tr>
CR73<\/td>135<\/td>100<\/td>140<\/td>32<\/td>73.3<\/td>\u00a0<\/td>\u00a0<\/td>\u00a0<\/td>\u00a0<\/td><\/tr>
CR100<\/td>150<\/td>120<\/td>155<\/td>39<\/td>100.2<\/td>\u00a0<\/td>\u00a0<\/td>\u00a0<\/td>\u00a0<\/td><\/tr><\/tbody><\/table><\/figure>

1 kg\/m = 2,015904 libras\/yarda<\/p>

1 libra\/yarda = 0,4960553 kg\/m<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Las dimensiones de los perfiles de los rieles incluyen principalmente la altura del riel, el ancho de la base, el ancho de la cabeza, el espesor del alma, la profundidad de la cabeza, la profundidad de la base y el peso nominal por yarda o metro. Las dimensiones de los rieles ferroviarios permiten identificar los tipos de la mayor\u00eda de los rieles.<\/p>","protected":false},"author":4,"featured_media":4216,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"site-sidebar-layout":"right-sidebar","site-content-layout":"","ast-site-content-layout":"normal-width-container","site-content-style":"default","site-sidebar-style":"boxed","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"disabled","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"disabled","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[88],"tags":[],"class_list":["post-4214","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nRail section dimensions<\/title>\n<meta name=\"description\" content=\"Rail section dimensions mainly contain the rail height, the width of the base, the width of the head, the web thickness, the depth of head, the depth of the base, nominal weight per yard or meter. 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