{"id":1171,"date":"2025-08-13T16:36:08","date_gmt":"2025-08-13T08:36:08","guid":{"rendered":"http:\/\/www.xqjsteel.com\/?p=1171"},"modified":"2025-08-13T16:36:08","modified_gmt":"2025-08-13T08:36:08","slug":"bs4449-steel-reinforcement-rebar","status":"publish","type":"post","link":"https:\/\/www.xqjsteel.com\/es\/bs4449-steel-reinforcement-rebar.html","title":{"rendered":"Barra de refuerzo de acero BS4449"},"content":{"rendered":"

BS4449 Barras de refuerzo de acero Descripci\u00f3n<\/strong><\/h2>\n

La BS4449 es otra norma sobre barras de acero deformadas. Tambi\u00e9n se diferencia seg\u00fan las normas europeas. En lo que respecta a la fabricaci\u00f3n, las barras de acero incluidas en esta norma tambi\u00e9n se laminan en caliente, lo que significa que tambi\u00e9n se utilizan para fines generales, es decir, en proyectos de construcci\u00f3n comunes. Estas barras deformadas tambi\u00e9n est\u00e1n disponibles entre 12 mm y 30 mm de di\u00e1metro. Y las longitudes habituales en las que est\u00e1n disponibles son 9 m y 12 m.\u00a0Estas barras son<\/span>\u00a0w<\/span>Se utiliza sobre todo en casas, puentes, carreteras, ferrocarriles y otras obras de ingenier\u00eda civil.<\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
BS 4449:97 Especificaciones brit\u00e1nicas de barras de refuerzo<\/strong><\/td>\n<\/tr>\n
Rated
\nDi\u00e1metro<\/td>\n		Superficie nominal de la secci\u00f3n transversal<\/td>\nPeso<\/td>\nEN A Las Costillas (mm)<\/td>\nCostillas longitudinales (mm)<\/td>\nPaso
\nmm<\/td>\n		Costillas Distancia entre puntas
\nmm<\/td>\n<\/tr>\n
Kg \/ m<\/td>\nTolerancia
\n%<\/td>\n		Altura<\/td>\nAnchura<\/td>\nAltura<\/td>\nAnchura<\/td>\n<\/tr>\n
mm<\/td>\nm\u33a1<\/td>\nmin.<\/td>\nm\u00e1x.<\/td>\nmin.<\/td>\nm\u00e1x.<\/td>\nmin.<\/td>\nm\u00e1x.<\/td>\nmin.<\/td>\nm\u00e1x.<\/td>\nmin.<\/td>\nm\u00e1x.<\/td>\nmin.<\/td>\nm\u00e1x.<\/td>\n<\/tr>\n
6<\/td>\n28.3<\/td>\n0.222<\/td>\n\u00b1 9<\/td>\n0.3<\/td>\n0.6<\/td>\n0.48<\/td>\n0.72<\/td>\n0.3<\/td>\n0.84<\/td>\n0.48<\/td>\n1.2<\/td>\n3,.0<\/td>\n4.8<\/td>\n1.5<\/td>\n2.3<\/td>\n<\/tr>\n
8<\/td>\n50.3<\/td>\n0.395<\/td>\n\u00b1 6.5<\/td>\n0.4<\/td>\n0.8<\/td>\n0.64<\/td>\n0.96<\/td>\n0.4<\/td>\n0.84<\/td>\n0.64<\/td>\n1.6<\/td>\n4.0<\/td>\n6.4<\/td>\n2.0<\/td>\n3.1<\/td>\n<\/tr>\n
10<\/td>\n78.5<\/td>\n0.616<\/td>\n0.5<\/td>\n1.0<\/td>\n0.8<\/td>\n1.2<\/td>\n0.5<\/td>\n0.84<\/td>\n0.8<\/td>\n2.0<\/td>\n5.0<\/td>\n8.0<\/td>\n2.5<\/td>\n3.9<\/td>\n<\/tr>\n
12<\/td>\n113.1<\/td>\n0.888<\/td>\n\u00b1 4.5<\/td>\n0.6<\/td>\n1.2<\/td>\n0.96<\/td>\n1.44<\/td>\n0.6<\/td>\n0.84<\/td>\n0.96<\/td>\n2.4<\/td>\n6.0<\/td>\n9.6<\/td>\n3.0<\/td>\n4.7<\/td>\n<\/tr>\n
16<\/td>\n201.1<\/td>\n1.579<\/td>\n0.8<\/td>\n1.6<\/td>\n1.28<\/td>\n1.92<\/td>\n0.8<\/td>\n0.84<\/td>\n1.28<\/td>\n3.2<\/td>\n8.0<\/td>\n12.8<\/td>\n4.0<\/td>\n6.2<\/td>\n<\/tr>\n
20<\/td>\n314.2<\/td>\n2.466<\/td>\n1.0<\/td>\n2.0<\/td>\n1.6<\/td>\n2.4<\/td>\n1.0<\/td>\n0.84<\/td>\n1.6<\/td>\n4.0<\/td>\n10.0<\/td>\n16.0<\/td>\n5.0<\/td>\n7.8<\/td>\n<\/tr>\n
25<\/td>\n490.9<\/td>\n3.854<\/td>\n1.25<\/td>\n2.5<\/td>\n2.0<\/td>\n3.0<\/td>\n1.25<\/td>\n0.84<\/td>\n2.0<\/td>\n5.0<\/td>\n12.5<\/td>\n20.0<\/td>\n6.2<\/td>\n9.8<\/td>\n<\/tr>\n
32<\/td>\n804.2<\/td>\n6.313<\/td>\n1.60<\/td>\n3.2<\/td>\n2.56<\/td>\n3.84<\/td>\n1.60<\/td>\n0.84<\/td>\n2.56<\/td>\n6.4<\/td>\n16.0<\/td>\n25.6<\/td>\n8.0<\/td>\n12.5<\/td>\n<\/tr>\n
40<\/td>\n1256.6<\/td>\n9.864<\/td>\n2.0<\/td>\n4.0<\/td>\n3.2<\/td>\n4.8<\/td>\n2.0<\/td>\n0.84<\/td>\n3.2<\/td>\n8.0<\/td>\n20.0<\/td>\n32.0<\/td>\n10.0<\/td>\n15.7<\/td>\n<\/tr>\n
50<\/td>\n1963.5<\/td>\n15.413<\/td>\n2.5<\/td>\n5.0<\/td>\n4.0<\/td>\n6.0<\/td>\n2.5<\/td>\n0.84<\/td>\n4.0<\/td>\n10.0<\/td>\n25.0<\/td>\n40.0<\/td>\n12.5<\/td>\n19.6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n
BS 4449:97 Propiedades mec\u00e1nicas de las armaduras de acero<\/strong><\/td>\n<\/tr>\n
Calidad<\/td>\nAkma N \/ mm2<<\/td>\nAkma \/ \u00cdndice de tracci\u00f3n N\/mm2<\/td>\nElongaci\u00f3n Elasticidad<\/td>\nTotal m\u00e1x. % AGT<\/td>\n<\/tr>\n
min.<\/td>\nmin.<\/td>\nmin.<\/td>\nmin.<\/td>\n<\/tr>\n
GR 250<\/td>\n250<\/td>\nAkma x 1,15<\/td>\n22<\/td>\n-<\/td>\n<\/tr>\n
GR 460 A<\/td>\n460<\/td>\nAkma x 1,05<\/td>\n12<\/td>\n2.5<\/td>\n<\/tr>\n
GR 460 B<\/td>\n460<\/td>\nAkma x 1,08<\/td>\n14<\/td>\n5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Propiedades qu\u00edmicas de las barras de acero BS 4449:97<\/strong><\/td>\n<\/tr>\n
Elemento<\/td>\nGR 250 % m\u00e1x.<\/td>\nGR 460 A \/ B % m\u00e1x.<\/td>\nCostillas y m\u00e9todo de marcado<\/td>\n<\/tr>\n
Fundici\u00f3n<\/td>\nProducto<\/td>\nFundici\u00f3n<\/td>\nProducto<\/td>\n<\/td>\n<\/tr>\n
C<\/td>\n0.25<\/td>\n0.27<\/td>\n0.25<\/td>\n0.27<\/td>\n<\/tr>\n
P<\/td>\n0.060<\/td>\n0.065<\/td>\n0.050<\/td>\n0.055<\/td>\n<\/tr>\n
S<\/td>\n0.060<\/td>\n0.065<\/td>\n0.050<\/td>\n0.055<\/td>\n<\/tr>\n
N<\/td>\n0.012<\/td>\n0.013<\/td>\n0.012<\/td>\n0.013<\/td>\n<\/tr>\n
CE<\/td>\n0.42<\/td>\n0.45<\/td>\n0.51<\/td>\n0.54<\/td>\n<\/tr>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Mn Cr+Mo+V Ni+Cu<\/td>\n<\/tr>\n
CE = C + ----- + ------- + ------<\/td>\n<\/tr>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a06\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a05\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a015<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\u00c1mbito de aplicaci\u00f3n<\/strong><\/p>\n

Ampliamente utilizado en casas, puentes, carreteras, especialmente ferrocarriles y otras obras de ingenier\u00eda civil.<\/p>","protected":false},"excerpt":{"rendered":"

Barra de refuerzo de acero BS4449 Descripci\u00f3n La BS4449 es otra norma m\u00e1s de barras de acero deformado. Tambi\u00e9n se diferencia seg\u00fan las normas europeas. En lo que respecta a la fabricaci\u00f3n, las barras de acero incluidas en esta norma tambi\u00e9n se laminan en caliente, lo que significa que tambi\u00e9n se utilizan para fines generales, es decir, en proyectos de construcci\u00f3n comunes. Estas barras deformadas [...]<\/p>","protected":false},"author":3,"featured_media":1156,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11],"tags":[],"class_list":["post-1171","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-steel-bar"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.xqjsteel.com\/es\/wp-json\/wp\/v2\/posts\/1171","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xqjsteel.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xqjsteel.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xqjsteel.com\/es\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xqjsteel.com\/es\/wp-json\/wp\/v2\/comments?post=1171"}],"version-history":[{"count":1,"href":"https:\/\/www.xqjsteel.com\/es\/wp-json\/wp\/v2\/posts\/1171\/revisions"}],"predecessor-version":[{"id":1172,"href":"https:\/\/www.xqjsteel.com\/es\/wp-json\/wp\/v2\/posts\/1171\/revisions\/1172"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xqjsteel.com\/es\/wp-json\/wp\/v2\/media\/1156"}],"wp:attachment":[{"href":"https:\/\/www.xqjsteel.com\/es\/wp-json\/wp\/v2\/media?parent=1171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xqjsteel.com\/es\/wp-json\/wp\/v2\/categories?post=1171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xqjsteel.com\/es\/wp-json\/wp\/v2\/tags?post=1171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}