{"id":36629,"date":"2026-07-07T16:08:31","date_gmt":"2026-07-07T14:08:31","guid":{"rendered":"https:\/\/roder.it\/inspection\/corrosion-and-wall-integrity\/"},"modified":"2026-11-06T10:19:45","modified_gmt":"2026-11-06T09:19:45","slug":"corrosion-and-wall-integrity","status":"publish","type":"page","link":"https:\/\/roder.it\/en\/inspection\/corrosion-and-wall-integrity\/","title":{"rendered":"Corrosion and wall integrity"},"content":{"rendered":"\n<div class=\"wp-block-columns are-vertically-aligned-top is-layout-flex wp-container-core-columns-is-layout-17c5c485 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:46%\">\n<figure class=\"wp-block-image size-large has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"680\" height=\"680\" src=\"https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-zx6-strumento_zx6dl_strumento_ad_ultrasuoni_per_misure_di_spessore_e_corrosione-web_image-680x680-1.webp\" alt=\"Dakota NDT ZX6 digital ultrasonic thickness gauge with datalogger for thickness and corrosion measurement\" class=\"has-border-color wp-image-16365\" style=\"border-color:#000000;border-width:1px;border-radius:10px\" srcset=\"https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-zx6-strumento_zx6dl_strumento_ad_ultrasuoni_per_misure_di_spessore_e_corrosione-web_image-680x680-1.webp 680w, https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-zx6-strumento_zx6dl_strumento_ad_ultrasuoni_per_misure_di_spessore_e_corrosione-web_image-680x680-1-300x300.webp 300w, https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-zx6-strumento_zx6dl_strumento_ad_ultrasuoni_per_misure_di_spessore_e_corrosione-web_image-680x680-1-150x150.webp?crop=1 150w, https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-zx6-strumento_zx6dl_strumento_ad_ultrasuoni_per_misure_di_spessore_e_corrosione-web_image-680x680-1-600x600.webp?crop=1 600w, https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-zx6-strumento_zx6dl_strumento_ad_ultrasuoni_per_misure_di_spessore_e_corrosione-web_image-680x680-1-400x400.webp?crop=1 400w, https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-zx6-strumento_zx6dl_strumento_ad_ultrasuoni_per_misure_di_spessore_e_corrosione-web_image-680x680-1-200x200.webp?crop=1 200w, https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-zx6-strumento_zx6dl_strumento_ad_ultrasuoni_per_misure_di_spessore_e_corrosione-web_image-680x680-1-120x120.webp?crop=1 120w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:54%\">\n<div class=\"wp-block-group has-background is-layout-constrained wp-container-core-group-is-layout-51b2f3cb wp-block-group-is-layout-constrained\" style=\"border-radius:15px;background-color:#eef3f6;padding-top:28px;padding-right:30px;padding-bottom:28px;padding-left:30px\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#225f78;font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase\"> <\/p>\n\n\n\n<h2 class=\"wp-block-heading roder-hero-title has-ti-accent-color has-text-color\">Corrosion and wall integrity<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Corrosion and wall integrity<\/strong> of tanks, pipes, hulls and metal structures are checked by measuring the residual metal thickness, the continuity of protective coatings and the tightness of bolted joints. This section brings together the instruments for these checks, in the plant and on site.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n<div class=\"wp-block-group has-background is-layout-constrained wp-container-core-group-is-layout-32518b43 wp-block-group-is-layout-constrained\" style=\"border-radius:12px;background-color:#eef3f6;padding-top:16px;padding-right:22px;padding-bottom:16px;padding-left:22px\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#225f78;font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase\">On this page<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-4ab3db7f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list is-style-checkbox has-link-color wp-elements-1\">\n<li><a href=\"#a-cosa-serve\">What the measurement is for: corrosion and wall integrity<\/a><\/li>\n\n\n<li><a href=\"#tecniche\">Measurement techniques<\/a><\/li>\n\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list is-style-checkbox has-link-color wp-elements-2\">\n<li><a href=\"#criteri\">Selection criteria<\/a><\/li>\n\n\n<li><a href=\"#in-questa-sezione\">The pages in this section<\/a><\/li>\n\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n\n<h2 class=\"wp-block-heading has-ti-accent-color has-text-color\" id=\"a-cosa-serve\">What the measurement is for: corrosion and wall integrity <a class=\"roder-up\" href=\"#\" title=\"Torna all&#x2019;inizio della pagina\" aria-label=\"Torna all&#x2019;inizio della pagina\">\u2191 top<\/a><\/h2>\n\n<p class=\"wp-block-paragraph\"> <\/p>\n\n<h2 class=\"wp-block-heading has-ti-accent-color has-text-color\" id=\"tecniche\">Measurement techniques <a class=\"roder-up\" href=\"#\" title=\"Torna all&#x2019;inizio della pagina\" aria-label=\"Torna all&#x2019;inizio della pagina\">\u2191 top<\/a><\/h2>\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Ultrasonic corrosion thickness gauges<\/strong> with dual-element probes measure residual thickness from one side only, even through the coating (echo-echo mode) and on corroded or hot surfaces; wet-sponge and high-voltage <strong>porosity detectors (holiday detectors)<\/strong> locate pores and discontinuities in insulating coatings; <strong>ultrasonic bolt tension monitors<\/strong> measure the elastic elongation of the bolt, which is more reliable than torque control.<\/p>\n<\/div>\n\n<h2 class=\"wp-block-heading has-ti-accent-color has-text-color\" id=\"criteri\">Selection criteria <a class=\"roder-up\" href=\"#\" title=\"Torna all&#x2019;inizio della pagina\" aria-label=\"Torna all&#x2019;inizio della pagina\">\u2191 top<\/a><\/h2>\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<ul class=\"wp-block-list is-style-checkbox has-link-color wp-elements-3\">\n<li>Material and thickness to be measured, presence of coating and surface condition.<\/li>\n\n\n<li>Part temperature: high-temperature probes and couplants.<\/li>\n\n\n<li>Insulating coating thickness, to select the holiday detector voltage.<\/li>\n\n\n<li>Bolt diameter, length and material for the tension monitor.<\/li>\n\n\n<li>Recording of measurement points and trends for inspection plans.<\/li>\n\n<\/ul>\n<\/div>\n\n<h2 class=\"wp-block-heading has-ti-accent-color has-text-color\" id=\"in-questa-sezione\">The pages in this section <a class=\"roder-up\" href=\"#\" title=\"Torna all&#x2019;inizio della pagina\" aria-label=\"Torna all&#x2019;inizio della pagina\">\u2191 top<\/a><\/h2>\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"wp-block-paragraph\">The in-depth pages for this quantity: techniques, selection criteria and instrument families.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-17c5c485 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<div class=\"wp-block-group has-border-color is-layout-constrained wp-container-core-group-is-layout-4c96c1b2 wp-block-group-is-layout-constrained\" style=\"border-color:#225f78;border-width:2px;border-radius:14px;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-group has-background is-content-justification-space-between is-nowrap is-layout-flex wp-container-core-group-is-layout-64b06f47 wp-block-group-is-layout-flex\" style=\"border-top-left-radius:11px;border-top-right-radius:11px;background-color:#225f78;padding-top:12px;padding-right:20px;padding-bottom:12px;padding-left:20px\">\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-7b7bb4f4 wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#cfe6f0;margin-top:0;margin-bottom:0;font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase\">In depth<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color wp-elements-4\" style=\"color:#ffffff;margin-top:0;margin-bottom:0;font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.769), 20px);\"><a href=\"https:\/\/roder.it\/en\/inspection\/corrosion-and-wall-integrity\/ultrasonic-thickness-gauges-per-corrosione\/\">Ultrasonic thickness gauges per corrosione<\/a><\/h3>\n<\/div>\n\n\n\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#ffffff;margin-top:0;margin-bottom:0;font-size:clamp(17.905px, 1.119rem + ((1vw - 3.2px) * 1.294), 28px);font-weight:700\">\u2192<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-bf2022b5 wp-block-columns-is-layout-flex\" style=\"padding-top:16px;padding-right:18px;padding-bottom:16px;padding-left:18px\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:30%\">\n<figure class=\"wp-block-image size-large has-custom-border\"><a href=\"https:\/\/roder.it\/en\/inspection\/corrosion-and-wall-integrity\/ultrasonic-thickness-gauges-per-corrosione\/\"><img loading=\"lazy\" decoding=\"async\" width=\"680\" height=\"680\" src=\"https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-zx6-strumento_zx6dl_strumento_ad_ultrasuoni_per_misure_di_spessore_e_corrosione-web_image-680x680-1.webp\" alt=\"Dakota NDT ZX6 digital ultrasonic thickness gauge with datalogger for thickness and corrosion measurement\" class=\"has-border-color wp-image-16365\" style=\"border-color:#000000;border-width:1px;border-radius:10px;aspect-ratio:1;object-fit:cover\" srcset=\"https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-zx6-strumento_zx6dl_strumento_ad_ultrasuoni_per_misure_di_spessore_e_corrosione-web_image-680x680-1.webp 680w, https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-zx6-strumento_zx6dl_strumento_ad_ultrasuoni_per_misure_di_spessore_e_corrosione-web_image-680x680-1-300x300.webp 300w, https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-zx6-strumento_zx6dl_strumento_ad_ultrasuoni_per_misure_di_spessore_e_corrosione-web_image-680x680-1-150x150.webp?crop=1 150w, https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-zx6-strumento_zx6dl_strumento_ad_ultrasuoni_per_misure_di_spessore_e_corrosione-web_image-680x680-1-600x600.webp?crop=1 600w, https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-zx6-strumento_zx6dl_strumento_ad_ultrasuoni_per_misure_di_spessore_e_corrosione-web_image-680x680-1-400x400.webp?crop=1 400w, https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-zx6-strumento_zx6dl_strumento_ad_ultrasuoni_per_misure_di_spessore_e_corrosione-web_image-680x680-1-200x200.webp?crop=1 200w, https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-zx6-strumento_zx6dl_strumento_ad_ultrasuoni_per_misure_di_spessore_e_corrosione-web_image-680x680-1-120x120.webp?crop=1 120w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:70%\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#4a5b66;font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.128), 15px);\">UT thickness gauges with dual-element probes for measuring residual thickness in the presence of corrosion.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-font-size\" style=\"font-size:14px;font-weight:700\"><a class=\"wp-block-button__link has-text-color has-background wp-element-button\" href=\"https:\/\/roder.it\/en\/inspection\/corrosion-and-wall-integrity\/ultrasonic-thickness-gauges-per-corrosione\/\" style=\"border-radius:8px;color:#ffffff;background-color:#225f78;padding-top:9px;padding-right:16px;padding-bottom:9px;padding-left:16px\">Find out more \u2192<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<div class=\"wp-block-group has-border-color is-layout-constrained wp-container-core-group-is-layout-4c96c1b2 wp-block-group-is-layout-constrained\" style=\"border-color:#225f78;border-width:2px;border-radius:14px;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-group has-background is-content-justification-space-between is-nowrap is-layout-flex wp-container-core-group-is-layout-64b06f47 wp-block-group-is-layout-flex\" style=\"border-top-left-radius:11px;border-top-right-radius:11px;background-color:#225f78;padding-top:12px;padding-right:20px;padding-bottom:12px;padding-left:20px\">\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-7b7bb4f4 wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#cfe6f0;margin-top:0;margin-bottom:0;font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase\">In depth<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color wp-elements-5\" style=\"color:#ffffff;margin-top:0;margin-bottom:0;font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.769), 20px);\"><a href=\"https:\/\/roder.it\/en\/inspection\/non-destructive-testing-vibration-optics-and-acoustics\/porosity-and-holiday-detectors-low-high-voltage\/\">Porosity and holiday detectors (low\/high voltage)<\/a><\/h3>\n<\/div>\n\n\n\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#ffffff;margin-top:0;margin-bottom:0;font-size:clamp(17.905px, 1.119rem + ((1vw - 3.2px) * 1.294), 28px);font-weight:700\">\u2192<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-bf2022b5 wp-block-columns-is-layout-flex\" style=\"padding-top:16px;padding-right:18px;padding-bottom:16px;padding-left:18px\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#4a5b66;font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.128), 15px);\">Wet sponge and high voltage holiday detectors for locating pores and discontinuities in coatings.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-font-size\" style=\"font-size:14px;font-weight:700\"><a class=\"wp-block-button__link has-text-color has-background wp-element-button\" href=\"https:\/\/roder.it\/en\/inspection\/non-destructive-testing-vibration-optics-and-acoustics\/porosity-and-holiday-detectors-low-high-voltage\/\" style=\"border-radius:8px;color:#ffffff;background-color:#225f78;padding-top:9px;padding-right:16px;padding-bottom:9px;padding-left:16px\">Find out more \u2192<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-17c5c485 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<div class=\"wp-block-group has-border-color is-layout-constrained wp-container-core-group-is-layout-4c96c1b2 wp-block-group-is-layout-constrained\" style=\"border-color:#225f78;border-width:2px;border-radius:14px;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-group has-background is-content-justification-space-between is-nowrap is-layout-flex wp-container-core-group-is-layout-64b06f47 wp-block-group-is-layout-flex\" style=\"border-top-left-radius:11px;border-top-right-radius:11px;background-color:#225f78;padding-top:12px;padding-right:20px;padding-bottom:12px;padding-left:20px\">\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-7b7bb4f4 wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#cfe6f0;margin-top:0;margin-bottom:0;font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase\">In depth<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color wp-elements-6\" style=\"color:#ffffff;margin-top:0;margin-bottom:0;font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.769), 20px);\"><a href=\"https:\/\/roder.it\/en\/inspection\/tensioning-of-wires-belts-cables-and-bolts\/ultrasonic-bolt-tension-monitors\/\">Ultrasonic bolt tension monitors<\/a><\/h3>\n<\/div>\n\n\n\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#ffffff;margin-top:0;margin-bottom:0;font-size:clamp(17.905px, 1.119rem + ((1vw - 3.2px) * 1.294), 28px);font-weight:700\">\u2192<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-bf2022b5 wp-block-columns-is-layout-flex\" style=\"padding-top:16px;padding-right:18px;padding-bottom:16px;padding-left:18px\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:30%\">\n<figure class=\"wp-block-image size-large has-custom-border\"><a href=\"https:\/\/roder.it\/en\/inspection\/tensioning-of-wires-belts-cables-and-bolts\/ultrasonic-bolt-tension-monitors\/\"><img loading=\"lazy\" decoding=\"async\" width=\"387\" height=\"387\" src=\"https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-trasduttori_monitor_tensione_bulloni-immagine-web_image-387x387-1.webp\" alt=\"Dakota NDT ultrasonic transducer for bolt tension monitoring\" class=\"has-border-color wp-image-16361\" style=\"border-color:#000000;border-width:1px;border-radius:10px;aspect-ratio:1;object-fit:cover\" srcset=\"https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-trasduttori_monitor_tensione_bulloni-immagine-web_image-387x387-1.webp 387w, https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-trasduttori_monitor_tensione_bulloni-immagine-web_image-387x387-1-300x300.webp 300w, https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-trasduttori_monitor_tensione_bulloni-immagine-web_image-387x387-1-150x150.webp?crop=1 150w, https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-trasduttori_monitor_tensione_bulloni-immagine-web_image-387x387-1-200x200.webp?crop=1 200w, https:\/\/roder.it\/wp-content\/uploads\/2026\/07\/dakota_ndt-trasduttori_monitor_tensione_bulloni-immagine-web_image-387x387-1-120x120.webp?crop=1 120w\" sizes=\"auto, (max-width: 387px) 100vw, 387px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:70%\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#4a5b66;font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.128), 15px);\">UT instruments for measuring the elastic elongation of bolts and tie rods, as an alternative to torque control.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-font-size\" style=\"font-size:14px;font-weight:700\"><a class=\"wp-block-button__link has-text-color has-background wp-element-button\" href=\"https:\/\/roder.it\/en\/inspection\/tensioning-of-wires-belts-cables-and-bolts\/ultrasonic-bolt-tension-monitors\/\" style=\"border-radius:8px;color:#ffffff;background-color:#225f78;padding-top:9px;padding-right:16px;padding-bottom:9px;padding-left:16px\">Find out more \u2192<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\"><\/div>\n<\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\"><em>The information on this page is provided for information purposes. Although it has been compiled with the greatest care, it may contain transcription errors or typos: for precise, up-to-date information please contact RODER SRL directly.<\/em><\/p>\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-ti-accent-color has-text-color has-link-color wp-elements-7\">Contacts &amp; Information<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Contact for general information : <a href=\"mailto:info@roder.it\">info@roder.it<\/a><br\/><br\/>Machine Vision Division of RODER : <a href=\"https:\/\/www.visiotronix.com\">www.visiotronix.com<\/a><br\/>RODER Instruments Division : <a href=\"https:\/\/www.visiotronix.com\">www.innovacheck.com<\/a><br\/>More about RODER : <a href=\"https:\/\/roder.it\/en\/contacts\/\">about us<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The information contained in this website is provided for information purposes only. Although it has been prepared with the greatest care, it does not constitute a contractual offer or a binding commitment to supply. It may contain transcription, translation or typographical errors. For precise and up-to-date information, please contact our company directly.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Note:<\/strong> Some images on this website have been intentionally generated using artificial intelligence (AI). This is because, for many applications and projects, photographs of the actual installation or system cannot be disclosed owing to confidentiality agreements, contractual clauses and non-disclosure agreements (NDAs). <\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Corrosion and wall integrity Corrosion and wall integrity of tanks, pipes, hulls and metal structures are checked by measuring the residual metal thickness, the continuity of protective coatings and the tightness of bolted joints. This section brings together the instruments for these checks, in the plant and on site. On this page What the measurement [&hellip;]<\/p>\n","protected":false},"author":157040980,"featured_media":36630,"parent":17990,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_yoast_wpseo_focuskw":"corrosion and wall integrity","_yoast_wpseo_title":"Corrosion and wall integrity: measurement techniques and instruments | RODER","_yoast_wpseo_metadesc":"Corrosion and wall integrity inspection: residual thickness by ultrasound, coating porosity, bolt tension: integrity of 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follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/roder.it\/en\/inspection\/corrosion-and-wall-integrity\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Corrosion and wall integrity: measurement techniques and instruments | RODER\" \/>\n<meta property=\"og:description\" content=\"Corrosion and wall integrity inspection: residual thickness by ultrasound, coating porosity, bolt tension: integrity of tanks.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/roder.it\/en\/inspection\/corrosion-and-wall-integrity\/\" \/>\n<meta property=\"og:site_name\" content=\"RODER SRL\" \/>\n<meta property=\"article:modified_time\" content=\"2026-11-06T09:19:45+00:00\" \/>\n<meta property=\"og:image\" 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eddy current.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":26126,"url":"https:\/\/roder.it\/en\/inspection\/corrosion-and-wall-integrity\/ultrasonic-thickness-gauges-per-corrosione\/","url_meta":{"origin":36629,"position":1},"title":"Ultrasonic thickness gauges per corrosione","author":"GSM","date":"13 May 2026","format":false,"excerpt":"UT thickness gauges with dual-element probes for measuring residual thickness in the presence of corrosion.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Spessimetro digitale a ultrasuoni Dakota NDT ZX6 con datalogger per misure di spessore e 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measurement of plates, strips and sheets, including in-line.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"spessimetro laser per la misura di spessore di nastri metallici, lamiere e nastri continui in impianti di decapaggio e taglio","src":"https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2022\/10\/dimes_ltm_lwn_masterimage.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2022\/10\/dimes_ltm_lwn_masterimage.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2022\/10\/dimes_ltm_lwn_masterimage.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/roder.it\/wp-content\/uploads\/2022\/10\/dimes_ltm_lwn_masterimage.png?resize=700%2C400&ssl=1 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