{"id":3925,"date":"2020-04-17T10:21:18","date_gmt":"2020-04-17T10:21:18","guid":{"rendered":"https:\/\/battagliasnc.it\/activities\/mandrinatura\/"},"modified":"2023-08-07T09:00:47","modified_gmt":"2023-08-07T09:00:47","slug":"rolling","status":"publish","type":"page","link":"https:\/\/battagliasnc.it\/en\/activities\/rolling\/","title":{"rendered":"Rolling"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"3925\" class=\"elementor elementor-3925\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4270493 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4270493\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[{&quot;jet_parallax_layout_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;},&quot;_id&quot;:&quot;b3f9359&quot;,&quot;jet_parallax_layout_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;},&quot;jet_parallax_layout_speed&quot;:{&quot;unit&quot;:&quot;%&quot;,&quot;size&quot;:50,&quot;sizes&quot;:[]},&quot;jet_parallax_layout_type&quot;:&quot;scroll&quot;,&quot;jet_parallax_layout_direction&quot;:null,&quot;jet_parallax_layout_fx_direction&quot;:null,&quot;jet_parallax_layout_z_index&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x&quot;:50,&quot;jet_parallax_layout_bg_x_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y&quot;:50,&quot;jet_parallax_layout_bg_y_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size&quot;:&quot;auto&quot;,&quot;jet_parallax_layout_bg_size_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_animation_prop&quot;:&quot;transform&quot;,&quot;jet_parallax_layout_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;]}],&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-674bb72\" data-id=\"674bb72\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4d47694 elementor-widget elementor-widget-heading\" data-id=\"4d47694\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.9.2 - 21-12-2022 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h1 class=\"elementor-heading-title elementor-size-default\">Rolling\n<\/h1>\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-26cb63a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"26cb63a\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[{&quot;jet_parallax_layout_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;},&quot;_id&quot;:&quot;6d14fab&quot;,&quot;jet_parallax_layout_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;},&quot;jet_parallax_layout_speed&quot;:{&quot;unit&quot;:&quot;%&quot;,&quot;size&quot;:50,&quot;sizes&quot;:[]},&quot;jet_parallax_layout_type&quot;:&quot;scroll&quot;,&quot;jet_parallax_layout_direction&quot;:null,&quot;jet_parallax_layout_fx_direction&quot;:null,&quot;jet_parallax_layout_z_index&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x&quot;:50,&quot;jet_parallax_layout_bg_x_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y&quot;:50,&quot;jet_parallax_layout_bg_y_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size&quot;:&quot;auto&quot;,&quot;jet_parallax_layout_bg_size_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_animation_prop&quot;:&quot;transform&quot;,&quot;jet_parallax_layout_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;]}]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bfb797e\" data-id=\"bfb797e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1265abe elementor-widget elementor-widget-text-editor\" data-id=\"1265abe\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.9.2 - 21-12-2022 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#818a91;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#818a91;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>The <strong>tube rolling<\/strong> is a fundamental activity in the retubing stages of <strong>tube bundle systems<\/strong>.<\/p><p>A tube is properly expanded when it is stressed beyond its yield strength, but not beyond its ultimate tensile strength and the relative tubesheet is not stressed beyond its yield strength.<\/p><p><strong>The expansion<\/strong> must be performed in a single solution.<\/p><p>The procedure provides for a <strong>uniform expansion<\/strong> from one end to the other of the expanded portion of the tube without grooves on the portion itself.<\/p><p>The crushing percentage is established by the designer\/manufacturer or directly by our company on the basis of our know-how.<\/p><p><strong>At the customer&#8217;s request, we are able to perform the &#8220;tube rolling&#8221; through the qualification procedures<\/strong> carried out on a mock-up whose extraction loads and torque values are defined. It is possible to certify the procedure by a third part.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-163b4a9 elementor-widget elementor-widget-shortcode\" data-id=\"163b4a9\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-shortcode\"><div id=\"envira-gallery-wrap-2237\" class=\"envira-gallery-wrap envira-gallery-theme-base envira-lightbox-theme-base\" itemscope itemtype=\"https:\/\/schema.org\/ImageGallery\"><div data-row-height=\"150\" data-gallery-theme=\"normal\" id=\"envira-gallery-2237\" class=\"envira-gallery-public envira-gallery-justified-public envira-gallery-0-columns envira-clear enviratope envira-gallery-css-animations\" data-envira-columns=\"0\"><div id=\"envira-gallery-item-2902\" class=\"envira-gallery-item enviratope-item envira-gallery-item-1 envira-lazy-load\" style=\"padding-left: 5px; padding-bottom: 10px; padding-right: 5px;\"  itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><div class=\"envira-gallery-item-inner\"><div class=\"envira-gallery-position-overlay  envira-gallery-top-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-top-right\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-right\"><\/div><a href=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-1.jpg\" class=\"envira-gallery-2237 envira-gallery-link\" rel=\"enviragallery2237\" title=\"mandrinatura (1)\" data-envira-caption=\"mandrinatura (1)\" data-envira-retina=\"\" data-thumbnail=\"\"  itemprop=\"contentUrl\"><img decoding=\"async\" id=\"envira-gallery-image-2902\" class=\"envira-gallery-image envira-gallery-image-1 envira-normal envira-lazy\" data-envira-index=\"1\" src=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-1-768x1024-640x480_c.jpg\" data-envira-src=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-1-768x1024-640x480_c.jpg\" data-envira-gallery-id=\"2237\" data-envira-item-id=\"2902\" data-envira-caption=\"mandrinatura (1)\" alt=\"mandrinatura\" title=\"mandrinatura (1)\"  itemprop=\"thumbnailUrl\" data-envira-srcset=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-1-768x1024-640x480_c.jpg 400w,https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-1-768x1024-640x480_c.jpg 2x\" data-envira-width=\"640\" data-envira-height=\"480\" srcset=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-safe-src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><\/a><\/div><\/div><div id=\"envira-gallery-item-2903\" class=\"envira-gallery-item enviratope-item envira-gallery-item-2 envira-lazy-load\" style=\"padding-left: 5px; padding-bottom: 10px; padding-right: 5px;\"  itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><div class=\"envira-gallery-item-inner\"><div class=\"envira-gallery-position-overlay  envira-gallery-top-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-top-right\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-right\"><\/div><a href=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-2-scaled.jpg\" class=\"envira-gallery-2237 envira-gallery-link\" rel=\"enviragallery2237\" title=\"mandrinatura (2)\" data-envira-caption=\"mandrinatura (2)\" data-envira-retina=\"\" data-thumbnail=\"\"  itemprop=\"contentUrl\"><img decoding=\"async\" id=\"envira-gallery-image-2903\" class=\"envira-gallery-image envira-gallery-image-2 envira-normal envira-lazy\" data-envira-index=\"2\" src=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-2-1024x683-640x480_c.jpg\" data-envira-src=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-2-1024x683-640x480_c.jpg\" data-envira-gallery-id=\"2237\" data-envira-item-id=\"2903\" data-envira-caption=\"mandrinatura (2)\" alt=\"mandrinatura\" title=\"mandrinatura (2)\"  itemprop=\"thumbnailUrl\" data-envira-srcset=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-2-1024x683-640x480_c.jpg 400w,https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-2-1024x683-640x480_c.jpg 2x\" data-envira-width=\"640\" data-envira-height=\"480\" srcset=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-safe-src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><\/a><\/div><\/div><div id=\"envira-gallery-item-2904\" class=\"envira-gallery-item enviratope-item envira-gallery-item-3 envira-lazy-load\" style=\"padding-left: 5px; padding-bottom: 10px; padding-right: 5px;\"  itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><div class=\"envira-gallery-item-inner\"><div class=\"envira-gallery-position-overlay  envira-gallery-top-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-top-right\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-right\"><\/div><a href=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-3.jpg\" class=\"envira-gallery-2237 envira-gallery-link\" rel=\"enviragallery2237\" title=\"mandrinatura (3)\" data-envira-caption=\"mandrinatura (3)\" data-envira-retina=\"\" data-thumbnail=\"\"  itemprop=\"contentUrl\"><img decoding=\"async\" id=\"envira-gallery-image-2904\" class=\"envira-gallery-image envira-gallery-image-3 envira-normal envira-lazy\" data-envira-index=\"3\" src=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-3-1024x768-640x480_c.jpg\" data-envira-src=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-3-1024x768-640x480_c.jpg\" data-envira-gallery-id=\"2237\" data-envira-item-id=\"2904\" data-envira-caption=\"mandrinatura (3)\" alt=\"mandrinatura\" title=\"mandrinatura (3)\"  itemprop=\"thumbnailUrl\" data-envira-srcset=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-3-1024x768-640x480_c.jpg 400w,https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-3-1024x768-640x480_c.jpg 2x\" data-envira-width=\"640\" data-envira-height=\"480\" srcset=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-safe-src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><\/a><\/div><\/div><div id=\"envira-gallery-item-2905\" class=\"envira-gallery-item enviratope-item envira-gallery-item-4 envira-lazy-load\" style=\"padding-left: 5px; padding-bottom: 10px; padding-right: 5px;\"  itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><div class=\"envira-gallery-item-inner\"><div class=\"envira-gallery-position-overlay  envira-gallery-top-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-top-right\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-right\"><\/div><a href=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-4-scaled.jpg\" class=\"envira-gallery-2237 envira-gallery-link\" rel=\"enviragallery2237\" title=\"mandrinatura (4)\" data-envira-caption=\"mandrinatura (4)\" data-envira-retina=\"\" data-thumbnail=\"\"  itemprop=\"contentUrl\"><img decoding=\"async\" id=\"envira-gallery-image-2905\" class=\"envira-gallery-image envira-gallery-image-4 envira-normal envira-lazy\" data-envira-index=\"4\" src=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-4-768x1024-640x480_c.jpg\" data-envira-src=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-4-768x1024-640x480_c.jpg\" data-envira-gallery-id=\"2237\" data-envira-item-id=\"2905\" data-envira-caption=\"mandrinatura (4)\" alt=\"mandrinatura\" title=\"mandrinatura (4)\"  itemprop=\"thumbnailUrl\" data-envira-srcset=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-4-768x1024-640x480_c.jpg 400w,https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-4-768x1024-640x480_c.jpg 2x\" data-envira-width=\"640\" data-envira-height=\"480\" srcset=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-safe-src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><\/a><\/div><\/div><div id=\"envira-gallery-item-2906\" class=\"envira-gallery-item enviratope-item envira-gallery-item-5 envira-lazy-load\" style=\"padding-left: 5px; padding-bottom: 10px; padding-right: 5px;\"  itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><div class=\"envira-gallery-item-inner\"><div class=\"envira-gallery-position-overlay  envira-gallery-top-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-top-right\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-right\"><\/div><a href=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-5-scaled.jpg\" class=\"envira-gallery-2237 envira-gallery-link\" rel=\"enviragallery2237\" title=\"mandrinatura (5)\" data-envira-caption=\"mandrinatura (5)\" data-envira-retina=\"\" data-thumbnail=\"\"  itemprop=\"contentUrl\"><img decoding=\"async\" id=\"envira-gallery-image-2906\" class=\"envira-gallery-image envira-gallery-image-5 envira-normal envira-lazy\" data-envira-index=\"5\" src=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-5-1024x768-640x480_c.jpg\" data-envira-src=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-5-1024x768-640x480_c.jpg\" data-envira-gallery-id=\"2237\" data-envira-item-id=\"2906\" data-envira-caption=\"mandrinatura (5)\" alt=\"mandrinatura\" title=\"mandrinatura (5)\"  itemprop=\"thumbnailUrl\" data-envira-srcset=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-5-1024x768-640x480_c.jpg 400w,https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-5-1024x768-640x480_c.jpg 2x\" data-envira-width=\"640\" data-envira-height=\"480\" srcset=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-safe-src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/\/\/\/\/yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><\/a><\/div><\/div><div id=\"envira-gallery-item-2907\" class=\"envira-gallery-item enviratope-item envira-gallery-item-6 envira-lazy-load\" style=\"padding-left: 5px; padding-bottom: 10px; padding-right: 5px;\"  itemscope itemtype=\"https:\/\/schema.org\/ImageObject\"><div class=\"envira-gallery-item-inner\"><div class=\"envira-gallery-position-overlay  envira-gallery-top-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-top-right\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-left\"><\/div><div class=\"envira-gallery-position-overlay  envira-gallery-bottom-right\"><\/div><a href=\"https:\/\/battagliasnc.it\/wp-content\/uploads\/2022\/12\/mandrinatura-6-scaled.jpg\" class=\"envira-gallery-2237 envira-gallery-link\" rel=\"enviragallery2237\" title=\"mandrinatura (6)\" data-envira-caption=\"mandrinatura (6)\" data-envira-retina=\"\" data-thumbnail=\"\"  itemprop=\"contentUrl\"><img decoding=\"async\" id=\"envira-gallery-image-2907\" class=\"envira-gallery-image envira-gallery-image-6 envira-normal envira-lazy\" 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US<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\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\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Rolling The tube rolling is a fundamental activity in the retubing stages of tube bundle systems. A tube is properly expanded when it is stressed beyond its yield strength, but not beyond its ultimate tensile strength and the relative tubesheet is not stressed beyond its yield strength. The expansion must be performed in a single [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3857,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_mi_skip_tracking":false,"_themeisle_gutenberg_block_has_review":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.14 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Rolling: retubing of heat exchangers | Battaglia Srl<\/title>\n<meta name=\"description\" content=\"Electronic, hydraulic or pneumatic expanding is a fundamental activity in the retubing phases of tube bundle heat exchangers.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/battagliasnc.it\/en\/activities\/rolling\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rolling: retubing of heat exchangers | Battaglia Srl\" \/>\n<meta property=\"og:description\" content=\"Electronic, hydraulic or pneumatic expanding is a fundamental activity in the retubing phases of tube bundle heat exchangers.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/battagliasnc.it\/en\/activities\/rolling\/\" \/>\n<meta property=\"og:site_name\" content=\"Battaglia Srl - 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