{"id":66,"date":"2014-01-15T08:16:02","date_gmt":"2014-01-15T08:16:02","guid":{"rendered":"http:\/\/www.h-metal.ro\/blog\/?p=66"},"modified":"2023-02-06T19:53:31","modified_gmt":"2023-02-06T19:53:31","slug":"tipuri-si-diferente-oteluri","status":"publish","type":"post","link":"http:\/\/www.h-metal.ro\/blog\/ro\/tipuri-si-diferente-oteluri\/","title":{"rendered":"Tipuri si diferente intre oteluri &#8211; OL 37 si OL 52"},"content":{"rendered":"<p>Pentru a executa corect o constructie este necesar sa se cunoasca de cate tipuri si ce diferente sunt intre oteluri. In constructiile metalice otelurile sunt clasificate in functie de <a title=\"marca otel\" href=\"http:\/\/www.h-metal.ro\/blog\/marci-si-clase-de-otel-pentru-constructii\/\" target=\"_blank\" rel=\"noopener\">marca otelului<\/a> (rezistenta la intindere). <a href=\"https:\/\/www.metal-online.ro\/otel&amp;100\">Otelurile<\/a> cel mai frecvent utilizate, in Romania, pentru realizarea constructiilor metalice sunt urmatoarele: OL 37, OL 44, OL 52.<\/p>\n<p>OL este un simbol literar care face referire la domeniul de utilizare a otelului. Este un otel de uz general, utilizat in mod curent la realizarea constructiilor metalice. Numarul care insoteste simbolul literar indica rezistenta minima de rupere (kg\/mm\u00b2).<\/p>\n<p><strong>OL 37<\/strong> \u2013 este numit otel normal de constructii, indeplineste intr-o mare masura conditiile impuse in mod normal otelurilor in constructii. Mai este denumit si \u201emoale\u201d sau \u201eductil\u201d. Are echivalentul\u00a0 Fe 360\/Euronorm.<\/p>\n<p><strong>OL 44<\/strong> \u2013 tipul acesta de otel este utilizat pentru fabricarea elementelor de constructii solicitate puternic si\u00a0 realizarea niturilor utilizate la asamblarea elementelor confectionete din OL 52. Are o limita de curgere incadrata intre cea a otelului normal OL 37 si a celui superior OL 52.<\/p>\n<p><strong>OL 52<\/strong> \u2013 este otelul cu caracteristicile mecanice de rezistenta cele mai inalte. Se recomanda a fi utilizat pentru constructiile foarte intens solicitate. Are echivalentul Fe 510\/Euronorm.<\/p>\n<h2>Tipuri si diferente intre oteluri &#8211; OL 37 si OL 52<\/h2>\n<p>Atunci cand alegeti intre un otel OL 37 si unul OL 52 trebuie sa tineti cont de urmatoarele:<\/p>\n<ul>\n<li>in cazul incarcarilor repetate alternate si pulsatorii, rezistentele la oboseala, a celor doua oteluri, nu difera mult;<\/li>\n<li>reducerea sensibila a consumului de otel (si a greutatii elementelor de constructie) prin utilizarea otelului OL 52 este recomandata in cazul solicitarilor statice mari sau a celor variabile oscilante, la care influenta incarcarilor utile, fata de cele permanente, este mica;<\/li>\n<li>prelucrarea si sudarea otelurilor OL 52 este mai dificila;<\/li>\n<li>otelul OL 52 are un cost mai mare decat cel OL 37.<\/li>\n<\/ul>\n<p><strong>Simbolizare alfanumerica<\/strong><\/p>\n<p>Se mai foloseste o simbolizare alfanumerica, care este echivalenta, dar nu identica cu cele de mai sus:<\/p>\n<ul>\n<li>S 235 echivalent cu OL 37, S 275 echivalent cu OL 44, S 355 echivalent cu OL 52;<\/li>\n<li>Litera S simbolizeaza grupa de otel ( otel de constructii), iar numarul 235\/ 275\/ 355 specifica limita de curgere (N\/mm\u00b2).<\/li>\n<\/ul>\n<div style=\"padding-bottom:20px; padding-top:10px;\" class=\"hupso-share-buttons\"><!-- Hupso Share Buttons - http:\/\/www.hupso.com\/share\/ --><a class=\"hupso_toolbar\" href=\"http:\/\/www.hupso.com\/share\/\"><img src=\"http:\/\/static.hupso.com\/share\/buttons\/share-medium.png\" style=\"border:0px; padding-top:5px; float:left;\" alt=\"Share\"\/><\/a><script type=\"text\/javascript\">var hupso_services_t=new Array(\"Twitter\",\"Facebook\",\"Google Plus\",\"Linkedin\",\"StumbleUpon\",\"Digg\",\"Reddit\",\"Bebo\",\"Delicious\"); var hupso_toolbar_size_t=\"medium\";var hupso_url_t=\"\";var hupso_title_t=\"Tipuri si diferente intre oteluri - OL 37 si OL 52\";<\/script><script type=\"text\/javascript\" src=\"http:\/\/static.hupso.com\/share\/js\/share_toolbar.js\"><\/script><!-- Hupso Share Buttons --><\/div>","protected":false},"excerpt":{"rendered":"<p>Pentru a executa corect o constructie este necesar sa se cunoasca de cate tipuri si ce diferente sunt intre oteluri. In constructiile metalice otelurile sunt clasificate in functie de marca otelului (rezistenta la intindere). Otelurile cel mai frecvent utilizate, in Romania, pentru realizarea constructiilor metalice sunt urmatoarele: OL 37, OL 44, OL 52. OL este [&hellip;]<\/p>\n<div style=\"padding-bottom:20px; padding-top:10px;\" class=\"hupso-share-buttons\"><!-- Hupso Share Buttons - http:\/\/www.hupso.com\/share\/ --><a class=\"hupso_toolbar\" href=\"http:\/\/www.hupso.com\/share\/\"><img src=\"http:\/\/static.hupso.com\/share\/buttons\/share-medium.png\" style=\"border:0px; padding-top:5px; float:left;\" alt=\"Share\"\/><\/a><script type=\"text\/javascript\">var hupso_services_t=new Array(\"Twitter\",\"Facebook\",\"Google Plus\",\"Linkedin\",\"StumbleUpon\",\"Digg\",\"Reddit\",\"Bebo\",\"Delicious\"); var hupso_toolbar_size_t=\"medium\";var hupso_url_t=\"\";var hupso_title_t=\"Tipuri si diferente intre oteluri - OL 37 si OL 52\";<\/script><script type=\"text\/javascript\" src=\"http:\/\/static.hupso.com\/share\/js\/share_toolbar.js\"><\/script><!-- Hupso Share Buttons --><\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tipuri si diferente oteluri - H Metal<\/title>\n<meta name=\"description\" content=\"In momentul proiectarii unei constructii metalice este necesar sa se cunoasca de cate tipuri si ce diferente sunt intre oteluri.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.h-metal.ro\/blog\/ro\/tipuri-si-diferente-oteluri\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tipuri si diferente oteluri - H Metal\" \/>\n<meta property=\"og:description\" content=\"In momentul proiectarii unei constructii metalice este necesar sa se cunoasca de cate tipuri si ce diferente sunt intre oteluri.\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.h-metal.ro\/blog\/ro\/tipuri-si-diferente-oteluri\/\" \/>\n<meta property=\"og:site_name\" content=\"H-Metal\" \/>\n<meta property=\"article:published_time\" content=\"2014-01-15T08:16:02+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-02-06T19:53:31+00:00\" \/>\n<meta name=\"author\" content=\"hmetal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Scris de\" \/>\n\t<meta name=\"twitter:data1\" content=\"hmetal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Timp estimat pentru citire\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"http:\/\/www.h-metal.ro\/blog\/ro\/tipuri-si-diferente-oteluri\/\",\"url\":\"http:\/\/www.h-metal.ro\/blog\/ro\/tipuri-si-diferente-oteluri\/\",\"name\":\"Tipuri si diferente oteluri - H Metal\",\"isPartOf\":{\"@id\":\"http:\/\/www.h-metal.ro\/blog\/ro\/#website\"},\"datePublished\":\"2014-01-15T08:16:02+00:00\",\"dateModified\":\"2023-02-06T19:53:31+00:00\",\"author\":{\"@id\":\"http:\/\/www.h-metal.ro\/blog\/ro\/#\/schema\/person\/2877579a51824a3a1279a25e5017d3df\"},\"description\":\"In momentul proiectarii unei constructii metalice este necesar sa se cunoasca de cate tipuri si ce diferente sunt intre oteluri.\",\"breadcrumb\":{\"@id\":\"http:\/\/www.h-metal.ro\/blog\/ro\/tipuri-si-diferente-oteluri\/#breadcrumb\"},\"inLanguage\":\"ro-RO\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\/\/www.h-metal.ro\/blog\/ro\/tipuri-si-diferente-oteluri\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\/\/www.h-metal.ro\/blog\/ro\/tipuri-si-diferente-oteluri\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"http:\/\/www.h-metal.ro\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Tipuri si diferente intre oteluri &#8211; 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