{"id":851,"date":"2014-07-09T10:09:36","date_gmt":"2014-07-09T10:09:36","guid":{"rendered":"https:\/\/www.zaun.co.uk\/?page_id=851"},"modified":"2022-01-06T16:40:59","modified_gmt":"2022-01-06T16:40:59","slug":"fence-galvanising","status":"publish","type":"page","link":"https:\/\/www.zaun.co.uk\/about-us\/fence-galvanising\/","title":{"rendered":"Galvanising"},"content":{"rendered":"<section class=\"l-section wpb_row height_large color_primary with_img parallax_ver\"><div class=\"l-section-img\" role=\"img\" aria-label=\"Fence Galvanising\" data-img-width=\"2048\" data-img-height=\"1536\" style=\"background-image: url(https:\/\/www.zaun.co.uk\/media\/2014\/07\/Hot-Dip-Galvanising-4-scaled.jpg);background-repeat: no-repeat;\"><\/div><div class=\"l-section-overlay\" style=\"background:rgba(0,0,0,0.50)\"><\/div><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_middle type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><h1 class=\"w-post-elm post_title align_center entry-title color_link_inherit\">Galvanising<\/h1><nav class=\"g-breadcrumbs separator_icon align_center\" itemscope itemtype=\"http:\/\/schema.org\/BreadcrumbList\"><div class=\"g-breadcrumbs-item\" itemscope itemprop=\"itemListElement\" itemtype=\"http:\/\/schema.org\/ListItem\"><a itemprop=\"item\" href=\"https:\/\/www.zaun.co.uk\/\"><span itemprop=\"name\">Home<\/span><\/a><meta itemprop=\"position\" content=\"1\"\/><\/div><div class=\"g-breadcrumbs-separator\"><i class=\"material-icons\">chevron_right<\/i><\/div><div class=\"g-breadcrumbs-item\">Pages<\/div><\/nav><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_small\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"g-cols wpb_row via_grid cols_2 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\" style=\"--columns-gap:3rem;\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.zaun.co.uk\/media\/2014\/07\/Hot-Dip-Galvanising-2-1024x768.jpg\" class=\"attachment-large size-large\" alt=\"Hot Dip Galvanising\" loading=\"lazy\" srcset=\"https:\/\/www.zaun.co.uk\/media\/2014\/07\/Hot-Dip-Galvanising-2-1024x768.jpg 1024w, https:\/\/www.zaun.co.uk\/media\/2014\/07\/Hot-Dip-Galvanising-2-300x225.jpg 300w, https:\/\/www.zaun.co.uk\/media\/2014\/07\/Hot-Dip-Galvanising-2-768x576.jpg 768w, https:\/\/www.zaun.co.uk\/media\/2014\/07\/Hot-Dip-Galvanising-2-1536x1152.jpg 1536w, https:\/\/www.zaun.co.uk\/media\/2014\/07\/Hot-Dip-Galvanising-2-scaled.jpg 2048w, https:\/\/www.zaun.co.uk\/media\/2014\/07\/Hot-Dip-Galvanising-2-200x150.jpg 200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/div><\/div><\/div><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>All of Zaun\u2019s gates and railings are hot-dip galvanised to BS EN ISO1461:1999. Hot-dip galvanising is a dipping process in which molten fluid zinc consists of layers of zinc-iron alloys caused by the reaction of zinc with iron in the steel. As the galvanized components are withdrawn from the molten zinc a further layer of zinc will adhere to the steel surface. Giving it the bright silver finish.<\/p>\n<p>Hollow tubes like posts and gate frames are \u2018vented\u2019, which allows the flow of molten zinc inside the tube, meaning that a protective coating is applied to the inside of the steelwork and the outside. Before dipping, the steelwork first goes through 17 stages of pre-treatment. Firstly this involves 6 acid tanks of increasing strength, which decreases the surface and remove impurities.<\/p>\n<p>The steel is then rinsed in ion-free <a class=\"wpil_keyword_link \" href=\"https:\/\/www.zaun.co.uk\/casestudies\/water-treatment-works\/\"  title=\"water\" data-wpil-keyword-link=\"linked\">water<\/a> before being heated to 70 degrees in the flux tank, evaporating all the water from the surfaces of the steel. The steel is then dipped in a bath of molten zinc heated to between 440 &amp; 460 \u00b0, The components are then removed from the tank at a specific angle to help excess zinc flow off, during which if required an air knife can be used to remove excess zinc from mesh etc. The metalwork is then cooled in water before fettling if required. To limit the effects of distortion. If the components being galvanized are manufactured\/fabricated using thin sheet metal then they are left to air cool.<\/p>\n<p>When steel is galvanized it will have a bright silver finish. This will dull down over time and is a natural process called oxidisation. Oxidation also helps to protect the zinc coating.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_small\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h2 style=\"text-align: center;\">The galvanising thickness of hot-dip galvanised products<\/h2>\n<\/div><\/div><div class=\"w-separator size_medium with_line width_default thick_1 style_solid color_border align_center\"><div class=\"w-separator-h\"><\/div><\/div>[vc_table vc_table_theme=&#8221;simple_green&#8221;][align-center]Steel%20Thickness,[align-center]Galvanising%20Thickness%20(g%2Fm2)%20minimum|[align-center]3mm,[align-center]50|[align-center]4mm,[align-center]60|[align-center]5mm,[align-center]70|[align-center]6mm,[align-center]80|[align-center]7mm,[align-center]80|[align-center]8mm,[align-center]80|[align-center]10mm,[align-center]80[\/vc_table]<\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_small\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h2 style=\"text-align: center;\">\u00a0The Process<\/h2>\n<hr \/>\n<div class=\"table-responsive\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2165 size-full aligncenter\" src=\"https:\/\/www.zaun.co.uk\/media\/2014\/07\/galvanising.jpg\" alt=\"galvanising\" width=\"946\" height=\"72\" srcset=\"https:\/\/www.zaun.co.uk\/media\/2014\/07\/galvanising.jpg 946w, https:\/\/www.zaun.co.uk\/media\/2014\/07\/galvanising-300x23.jpg 300w, https:\/\/www.zaun.co.uk\/media\/2014\/07\/galvanising-768x58.jpg 768w\" sizes=\"auto, (max-width: 946px) 100vw, 946px\" \/><\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/section>\n","protected":false},"excerpt":{"rendered":"GalvanisingHomechevron_rightPagesAll of Zaun\u2019s gates and railings are hot-dip galvanised to BS EN ISO1461:1999. Hot-dip galvanising is a dipping process in which molten fluid zinc consists of layers of zinc-iron alloys caused by the reaction of zinc with iron in the steel. As the galvanized components are withdrawn from the molten zinc a further layer of...","protected":false},"author":6,"featured_media":856,"parent":154,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-851","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fence Galvanising | Hot Dip Galvanising | Fence Coatings | Zaun Ltd<\/title>\n<meta name=\"description\" content=\"Zaun offers an extensive range of fences with hot-dip galvanising. 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