{"id":1945,"date":"2023-08-23T13:47:05","date_gmt":"2023-08-23T05:47:05","guid":{"rendered":"https:\/\/uniasen.com\/?p=1945"},"modified":"2025-03-31T10:36:43","modified_gmt":"2025-03-31T02:36:43","slug":"as-nzs-1163-steel-pipe","status":"publish","type":"post","link":"https:\/\/uniasen.com\/it\/blog\/tubo-in-acciaio-as-nzs-1163\/","title":{"rendered":"AS\/NZS 1163 Specifiche dei profilati cavi strutturali in acciaio formati a freddo"},"content":{"rendered":"<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_128996778\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/08\/lorain_tubular.webp\" class=\"attachment-original size-original\" alt=\"Produttore di tubi SMLS\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/08\/lorain_tubular.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/08\/lorain_tubular-300x225.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/08\/lorain_tubular-768x576.webp 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_128996778 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<section class=\"section\" id=\"section_676396049\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-737363244\">\n\n\t<div id=\"col-1320682300\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Che cos'\u00e8 il tubo d'acciaio AS 1163?<\/h2>\n<p><a href=\"https:\/\/uniasen.com\/it\/standard\/come-nzs-1163\/\">AS\/NZS 1163<\/a> \u00e8 lo standard per i profilati cavi in acciaio saldati a freddo in Australia e Nuova Zelanda. Si applica a tutti i profilati cavi in acciaio utilizzati nelle strutture edilizie.<\/p>\n<p>Lo standard prevede diversi gradi, come C250, C350, C450, ecc. Il valore del grado rappresenta la resistenza minima allo snervamento del materiale (in MPa).<\/p>\n<p>I requisiti di prova di AS\/NZS 1163 comprendono le modalit\u00e0 di taglio dei campioni per le prove di trazione e di impatto, il processo di invecchiamento, la qualit\u00e0 della lunghezza della sezione cava e le saldature esterne. Queste fasi contribuiscono a garantire la conformit\u00e0 del prodotto agli standard di qualit\u00e0.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1226151284\">\n\n\t<div id=\"col-856171021\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Tipi e gradi di AS 1163<\/h2>\n<p>AS\/NZS 1163 copre una variet\u00e0 di tipi e gradi, tra cui:<\/p>\n<ul>\n<li>Sezioni cave circolari (CHS) nei gradi C250, C250L0, C350, C350L0, C450 e C450L0<\/li>\n<li>Sezioni cave rettangolari (RHS) nei gradi C250, C250L0, C350, C350L0, C450 e C450L0<\/li>\n<li>Sezioni cave quadrate (SHS) nelle qualit\u00e0 C250, C250L0, C350, C350L0, C450 e C450L0<\/li>\n<\/ul>\n<p>Lo standard AS 1163 prevede una serie di opzioni per requisiti strutturali di diversa resistenza. Di seguito sono riportate le caratteristiche e gli scenari applicativi di alcuni gradi chiave C250, C350 e C450.<\/p>\n<h3>AS 1163 C250<\/h3>\n<p>AS 1163 C250 ha un carico di snervamento minimo di 250 megapascal (MPa). \u00c8 un materiale a basso costo, facile da lavorare e saldare, adatto a progetti con budget limitati e requisiti di resistenza ridotti.<\/p>\n<h3>AS 1163 C350<\/h3>\n<p>AS 1163 C350 \u00e8 il grado pi\u00f9 comunemente usato in AS 1163, con una resistenza allo snervamento di 350 MPa, ed \u00e8 ampiamente utilizzato nelle strutture a telaio degli edifici commerciali.<\/p>\n<h3>AS 1163 C450<\/h3>\n<p>Il suo limite minimo di snervamento \u00e8 di 450 MPa. Ha un'elevata resistenza e tenacit\u00e0 alle basse temperature e viene spesso utilizzato in strutture pesanti.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_676396049 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n<div class=\"row\"  id=\"row-1443670199\">\n\n\t<div id=\"col-1569834218\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Specifica AS 1163<\/h2>\n<table>\n<thead>\n<tr>\n<th>Tipo<\/th>\n<th><a href=\"https:\/\/uniasen.com\/it\/prodotti\/tubo-erw\/\">ERW<\/a> (CHS), <a href=\"https:\/\/uniasen.com\/it\/prodotti\/sezioni-cave\/\">SEZIONE A FORO<\/a> (CHS, RHS, SHS)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Spessore della parete<\/td>\n<td>Da 1,6 mm a 16 mm<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">Dimensione<\/td>\n<td>Sezioni cave tonde (CHS): 21,3 mm* 165,1 mm, sono disponibili dimensioni maggiori fino a 610 mm a seconda delle capacit\u00e0 del produttore.<\/td>\n<\/tr>\n<tr>\n<td>Sezioni cave quadrate (SHS): 20mm*20mm - 400mm*400mm<\/td>\n<\/tr>\n<tr>\n<td>Sezioni cave rettangolari (RHS): 50 * 20 mm - 500 mm * 300 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-716191736\">\n\n\t<div id=\"col-689403600\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Composizioni chimiche<\/h2>\n<table>\n<thead>\n<tr>\n<th>Standard<\/th>\n<th>Grado<\/th>\n<th colspan=\"11\">Composizione chimica % max<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><\/td>\n<td><\/td>\n<td>C<\/td>\n<td>Si<\/td>\n<td>Mn<\/td>\n<td>P<\/td>\n<td>S<\/td>\n<td>Cr<\/td>\n<td>Mo<\/td>\n<td>AI<\/td>\n<td>Ti<\/td>\n<td>Elementi in microlega<\/td>\n<td>CE<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"6\">AS\/NZ 1163<\/td>\n<td>C250<\/td>\n<td rowspan=\"2\">0.12<\/td>\n<td rowspan=\"2\">0.05<\/td>\n<td rowspan=\"2\">0.5<\/td>\n<td rowspan=\"2\">0.03<\/td>\n<td rowspan=\"2\">0.03<\/td>\n<td rowspan=\"2\">0.15<\/td>\n<td rowspan=\"2\">0.1<\/td>\n<td rowspan=\"2\">0.1<\/td>\n<td rowspan=\"2\">0.04<\/td>\n<td rowspan=\"2\">0.03<\/td>\n<td rowspan=\"2\">0.25<\/td>\n<\/tr>\n<tr>\n<td>C250L0<\/td>\n<\/tr>\n<tr>\n<td>C350<\/td>\n<td rowspan=\"2\">0.2<\/td>\n<td rowspan=\"2\">0.25<\/td>\n<td rowspan=\"2\">1.6<\/td>\n<td rowspan=\"2\">0.03<\/td>\n<td rowspan=\"2\">0.03<\/td>\n<td rowspan=\"2\">0.3<\/td>\n<td rowspan=\"2\">0.1<\/td>\n<td rowspan=\"2\">0.1<\/td>\n<td rowspan=\"2\">0.04<\/td>\n<td rowspan=\"2\">0.15<\/td>\n<td rowspan=\"2\">0.43<\/td>\n<\/tr>\n<tr>\n<td>C350L0<\/td>\n<\/tr>\n<tr>\n<td>C450<\/td>\n<td rowspan=\"2\">0.2<\/td>\n<td rowspan=\"2\">0.25<\/td>\n<td rowspan=\"2\">1.7<\/td>\n<td rowspan=\"2\">0.03<\/td>\n<td rowspan=\"2\">0.03<\/td>\n<td rowspan=\"2\">0.3<\/td>\n<td rowspan=\"2\">0.35<\/td>\n<td rowspan=\"2\">0.1<\/td>\n<td rowspan=\"2\">0.04<\/td>\n<td rowspan=\"2\">0.15<\/td>\n<td rowspan=\"2\">0.43<\/td>\n<\/tr>\n<tr>\n<td>C450L0<\/td>\n<\/tr>\n<tr>\n<td>ASTM A53<\/td>\n<td>B<\/td>\n<td>0.3<\/td>\n<td>&#8211;<\/td>\n<td>1.2<\/td>\n<td>0.05<\/td>\n<td>0.045<\/td>\n<td>0.4<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1592574985\">\n\n\t<div id=\"col-366309305\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Propriet\u00e0 meccaniche<\/h2>\n<table>\n<thead>\n<tr>\n<th rowspan=\"2\">Standard<\/th>\n<th rowspan=\"2\">Grado<\/th>\n<th>Resistenza alla trazione<\/th>\n<th>Resistenza allo snervamento<\/th>\n<th>Test d'impatto<\/th>\n<\/tr>\n<tr>\n<th>(MPa)<\/th>\n<th>(MPa)<\/th>\n<th>(J)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td rowspan=\"3\">AS\/NZ 1163<\/td>\n<td>C250,C250L0<\/td>\n<td>320<\/td>\n<td>250<\/td>\n<td rowspan=\"3\">Le prove d'urto devono essere eseguite a 0\u00b0C in conformit\u00e0 alla norma AS 1544.2.<\/td>\n<\/tr>\n<tr>\n<td>C350, C350L0<\/td>\n<td>430<\/td>\n<td>350<\/td>\n<\/tr>\n<tr>\n<td>C450,C450L0<\/td>\n<td>500<\/td>\n<td>450<\/td>\n<\/tr>\n<tr>\n<td>ASTM A53<\/td>\n<td>B<\/td>\n<td>&gt;415<\/td>\n<td>\u2265240<\/td>\n<td>-<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\n\t<section class=\"section\" id=\"section_1083733178\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-454887356\">\n\n\t<div id=\"col-1797998514\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Processo di produzione delle sezioni cave AS 1163<\/h2>\n<p>Il processo di produzione dei profilati cavi AS 1163 prevede una serie di fasi accuratamente controllate per produrre profilati cavi in acciaio strutturale formati a freddo e saldati a resistenza elettrica (ERW) che soddisfano i severi requisiti della norma.<\/p>\n<p>Il processo assicura che i profilati soddisfino le propriet\u00e0 meccaniche, le tolleranze dimensionali e gli standard di qualit\u00e0 specificati in AS\/NZS 1163:2016. Di seguito sono riportate le fasi dettagliate del processo di produzione.<\/p>\n<h3>Selezione della materia prima<\/h3>\n<p>Il processo inizia con la selezione di coils di acciaio di alta qualit\u00e0, solitamente realizzati con acciaio a basso tenore di carbonio per soddisfare i requisiti di composizione chimica della norma AS 1163. L'acciaio deve soddisfare i limiti di carbonio equivalente (CE) previsti dalla norma.<\/p>\n<h3>Formatura e saldatura<\/h3>\n<p>L'AS 1163 utilizza la tempra a freddo per aumentare la resistenza dell'acciaio. Una volta che il nastro d'acciaio viene formato in forma tubolare, i bordi vengono uniti e saldati mediante saldatura a resistenza elettrica (ERW).<\/p>\n<h3>Trattamento e finitura delle superfici<\/h3>\n<p>I profilati cavi sono solitamente sottoposti a un trattamento superficiale di laminazione. La norma AS 1163 prevede altri trattamenti superficiali come la zincatura e il rivestimento.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1083733178 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1595084365\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-1334291943\">\n\n\t<div id=\"col-655756164\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Requisiti per le prove meccaniche dei tubi AS 1163<\/h2>\n<div class=\"row\"  id=\"row-1693191813\">\n\n\t<div id=\"col-266475079\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1218768341\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"765\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/08\/IMG_3178-1030x773.webp\" class=\"attachment-large size-large\" alt=\"Diversi tipi di produzione per i tubi API 5L\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/08\/IMG_3178-1030x773.webp 1030w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/08\/IMG_3178-300x225.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/08\/IMG_3178-768x576.webp 768w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/08\/IMG_3178.webp 1440w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1218768341 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<p>Il tubo AS\/NZS 1163 deve essere sottoposto a diversi test meccanici, tra cui una prova di trazione in conformit\u00e0 con AS 1391, una prova di impatto a 0\u00b0C in conformit\u00e0 con AS 1544.2 e una prova di appiattimento a freddo.<\/p>\n<div class=\"row\"  id=\"row-1206007139\">\n\n\t<div id=\"col-584109541\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>Test di trazione<\/h3>\n<p>La prova di trazione viene eseguita in conformit\u00e0 alla norma AS 1391. La velocit\u00e0 di deformazione quando ci si avvicina al punto di snervamento deve rientrare nell'intervallo pi\u00f9 alto di velocit\u00e0 di deformazione indicato nella norma AS 1391. Questa prova misura la forza necessaria per tirare qualcosa come una corda, un filo o una trave strutturale fino al punto di rottura.<\/p>\n<h3>Test d'impatto<\/h3>\n<p>Le prove d'urto sono eseguite a 0\u00b0C in conformit\u00e0 alla norma AS 1544.2. Questo test misura la resistenza del materiale a carichi ad alta velocit\u00e0 e serve a determinare la quantit\u00e0 di energia assorbita dal materiale durante la frattura. \u00c8 importante per valutare la tenacit\u00e0 del materiale.<\/p>\n<h3>Test di appiattimento a freddo<\/h3>\n<p>La prova di appiattimento a freddo viene condotta a temperatura ambiente tra due superfici piane parallele. La saldatura si trova a 45 gradi per diametri esterni nominali inferiori o uguali a 60 mm e a 90 gradi per diametri superiori a 60 mm. Il provino viene appiattito fino a quando la distanza tra le superfici \u00e8 pari a 0,75d, dove d \u00e8 il diametro nominale della sezione cava circolare.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1595084365 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1053865062\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\t<div id=\"text-3102312038\" class=\"text\">\n\t\t\n<h2 style=\"text-align: left;\">Differenza tra AS\/NZS 1163 e ASTM A53 B<\/h2>\n<p>Sebbene sia l'AS\/NZS 1163 che l'ASTM A53 B siano norme per i prodotti in acciaio, esse differiscono per ambito, applicazione, composizione chimica e propriet\u00e0 meccaniche.<\/p>\n\t\t\n<style>\n#text-3102312038 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"row\"  id=\"row-426945603\">\n\n\t<div id=\"col-2010666686\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>1. Ambito di applicazione<\/h3>\n<p>ASTM A53 B \u00e8 una specifica standard per tubi in acciaio, neri e zincati a caldo, saldati e senza saldatura. L'AS\/NZS 1163, invece, specifica i requisiti dei profilati cavi in acciaio formati a freddo per scopi strutturali.<\/p>\n<h3>2. Applicazione<\/h3>\n<p>ASTM A53 B \u00e8 una specifica generale per i tubi di acciaio che copre i tubi zincati e i tubi neri. \u00c8 disponibile nei tipi S (senza saldatura), E (ERW, saldatura longitudinale a resistenza elettrica) e F (saldato in forno). AS\/NZS 1163 \u00e8 utilizzato in una variet\u00e0 di applicazioni, tra cui palificazione di tubi, fabbricazione, petrolio e gas, dissuasori, pali per insegne, perforazione di pozzi d'acqua e molte altre.<\/p>\n<h3>3. Composizioni chimiche<\/h3>\n<p>AS\/NZS 1163 e ASTM A53 B hanno composizioni chimiche diverse. Ad esempio, l'AS\/NZS 1163 C250 ha un contenuto massimo di carbonio di 0,12%, mentre l'ASTM A53 B ha un contenuto massimo di carbonio di 0,3%.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-841839790\">\n\n\t<div id=\"col-1212189689\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h3>4. Propriet\u00e0 meccaniche<\/h3>\n<p>Anche le propriet\u00e0 meccaniche di AS\/NZS 1163 e ASTM A53 B differiscono. Ad esempio, AS\/NZS 1163 C250 ha una resistenza alla trazione di 320 MPa e un carico di snervamento di 250 MPa, mentre ASTM A53 B ha una resistenza alla trazione superiore a 415 MPa e un carico di snervamento di almeno 240 MPa.<\/p>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1053865062 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>","protected":false},"excerpt":{"rendered":"<p>L'AS\/NZS 1163 definisce i requisiti dei profilati cavi in acciaio strutturale utilizzati nei progetti di costruzione e ingegneria in Australia e Nuova Zelanda. Garantisce che questi profilati siano prodotti e testati per soddisfare i necessari standard di qualit\u00e0 e prestazioni.<\/p>","protected":false},"author":10,"featured_media":1846,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1945","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>AS\/NZS 1163 Cold-formed Structural Steel Hollow Sections Specifications<\/title>\n<meta name=\"description\" content=\"AS\/NZS 1163 defines cold-formed structural steel hollow sections for construction, offering grades like C250, C350, and C450. 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