{"id":3193,"date":"2022-12-07T10:05:29","date_gmt":"2022-12-07T10:05:29","guid":{"rendered":"https:\/\/www.h-metal.ro\/blog\/?p=3193"},"modified":"2024-10-02T16:38:58","modified_gmt":"2024-10-02T16:38:58","slug":"otel-structural","status":"publish","type":"post","link":"http:\/\/www.h-metal.ro\/blog\/ro\/otel-structural\/","title":{"rendered":"Otel structural"},"content":{"rendered":"\n<p>Un <strong>otel structural <\/strong>este o categorie de otel utilizata pentru fabricarea materialelor de constructie intr-o varietate de forme. Oferind arhitectilor si inginerilor civili libertate in proiectare.<\/p>\n\n\n\n<p>Istoria constructiilor din otel incepe in secolul al XX-lea. In timpul celui de-al Doilea Razboi Mondial,otelul a devenit disponibil la preturi accesibile, determinand multi antreprenori sa-l aleaga ca o cale viabila de a construi.<\/p>\n\n\n\n<p>Formele, dimensiunile, compozitia chimica, proprietatile mecanice, ale unui otel structural, sunt reglementate de standarde in majoritatea tarilor industrializate.<\/p>\n\n\n\n<p>Otelul utilizat la realizarea constructiilor metalice face parte din categoria otelurilor moi cu continut scazut de carbon.<\/p>\n\n\n\n<p>In functie de valorile caracteristicilor mecanice si de compozitia chimica, pentru otelurile de uz general exista mai multe marci. <\/p>\n\n\n\n<p>La alegerea otelurilor pentru constructii se vor utiliza normele standardului<strong> EN 10025 <\/strong>de la 1-6, unde: <\/p>\n\n\n\n<p>1 stabileste Conditii generale de livrare.<\/p>\n\n\n\n<p>2 stabileste Conditii tehnice de livrare pentru oteluri structurale nealiate<\/p>\n\n\n\n<p>3 stabileste Conditii tehnice de livrare pentru oteluri cu granulatie fina normalizate\/oteluri laminate sudabile.<\/p>\n\n\n\n<p>4 stabileste Conditii tehnice de livrare pentru oteluri cu granulatie \ufb01na laminate termomecanic.<\/p>\n\n\n\n<p>5 stabileste Conditii tehnice de livrare pentru oteluri rezistente la coroziune atmosferica.<\/p>\n\n\n\n<p>6 stabileste Conditii tehnice de livrare pentru table din oteluri cu limita de curgere ridicata.<\/p>\n\n\n\n<p>In timp ce multe sectiuni sunt formate prin laminare la cald sau la rece, altele sunt realizate prin sudarea sau indoirea tablelor de otel.<\/p>\n\n\n\n<h2>Otel structural &#8211; cele mai comune forme utilizate:<\/h2>\n\n\n\n<ul><li><a href=\"https:\/\/www.h-metal.ro\/ro\/profil-unp\/101\" target=\"_blank\" rel=\"noreferrer noopener\">profile U<\/a>;<\/li><li>europrofile Inp, Ipe, Hea, Heb, Hem;<\/li><li>corniere;<\/li><li>profile T;<\/li><li><a href=\"https:\/\/www.metal-online.ro\/otel-teava-otel&amp;100&amp;104\" target=\"_blank\" rel=\"noreferrer noopener\">tevi<\/a>;<\/li><li>table si platbande;<\/li><li>bare rotunde si patrate.<\/li><\/ul>\n\n\n\n<p>Constructiile din otel au o popularitate in crestere in intreaga lume, fiecare regiune beneficiind de otel de-a lungul anilor. Multe dintre cele mai bune minuni arhitecturale au fost construite prin utilizarea otelului.<\/p>\n\n\n\n<p>Una din cele mai importante caracteristici ale otelului este <a href=\"https:\/\/www.h-metal.ro\/blog\/ductilitatea-otelului\/\" target=\"_blank\" rel=\"noreferrer noopener\">ductilitatea <\/a>acestuia, care difera in func\u0163ie de calitatea (marca) materialului, aceasta reducandu-se in cazul otelurilor de inalta rezistenta. Scaderea ductilitatii face ca otelul structural sa devina mai sensibil fata de prezenta tensiunilor reziduale si sa creasca riscul ruperilor fragile.<\/p>\n\n\n\n<p>Alegerea corespunzatoare a <strong>calitatii otelului structural<\/strong> este o problema deosebit de importanta din punct de vedere al asigurarii sigurantei in exploatare a unei constructii metalice, cu scopul evitarii fenomenului de destramare lamelara a otelului.<\/p>\n\n\n\n<p><strong>H Metal <\/strong>livreaza produse metalurgice de calitate pentru astfel de constructii metalice si ofera servicii care vin in intampinarea celor mai exigenti clienti.<\/p>\n\n\n\n<p>De asemenea, distribuim produse metalurgice manoperizate pentru a fi livrate gata de montaj la santier. Aceste produse aduc beneficii economice si de timp clientilor nostri.<\/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=\"Otel structural\";<\/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>Un otel structural este o categorie de otel utilizata pentru fabricarea materialelor de constructie intr-o varietate de forme. Oferind arhitectilor si inginerilor civili libertate in proiectare. Istoria constructiilor din otel incepe in secolul al XX-lea. In timpul celui de-al Doilea Razboi Mondial,otelul a devenit disponibil la preturi accesibile, determinand multi antreprenori sa-l aleaga ca o [&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=\"Otel structural\";<\/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":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6 - 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