{"id":979,"date":"2026-07-05T08:32:58","date_gmt":"2026-07-05T08:32:58","guid":{"rendered":"https:\/\/thaiflex.siamsample.com\/?post_type=technical-support&#038;p=979"},"modified":"2026-07-05T08:52:57","modified_gmt":"2026-07-05T08:52:57","slug":"anti-corrosion-table-of-stainless-steel","status":"publish","type":"technical-support","link":"https:\/\/thaiflex.siamsample.com\/th\/technical-support\/anti-corrosion-table-of-stainless-steel\/","title":{"rendered":"\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e15\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e02\u0e2d\u0e07\u0e2a\u0e41\u0e15\u0e19\u0e40\u0e25\u0e2a"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"979\" class=\"elementor elementor-979\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0f2bb88 e-flex e-con-boxed e-con e-parent\" data-id=\"0f2bb88\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cb443fc elementor-widget elementor-widget-html\" data-id=\"cb443fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<style>\r\n  :root{\r\n    --header-bg:#6d9138;\r\n    --header-bg-sub:#5a7a2a;\r\n    --header-text:#ffffff;\r\n    --label-text:#2f4a17;\r\n    --row-alt:#eef3e3;\r\n    --border:#e2e5e2;\r\n    --card-border:#d8ddd6;\r\n    --grade-a:#3bb54a;\r\n    --grade-b:#f0c419;\r\n    --grade-b-text:#4a3b00;\r\n    --grade-c:#f2994a;\r\n    --grade-x:#eb5757;\r\n  }\r\n  .ct-card{\r\n    max-width:1180px;\r\n    margin:0 auto;\r\n    background:#fff;\r\n    border:1px solid var(--card-border);\r\n    padding:20px;\r\n  }\r\n  .ct-title{\r\n    margin:0 0 24px;\r\n  }\r\n  .ct-title h2{\r\n    margin:0 0 4px;\r\n    font-size:22px;\r\n    color:#333;\r\n    font-weight:600;\r\n  }\r\n  .ct-title span{\r\n    font-size:13px;\r\n    color:#888;\r\n  }\r\n  .ct-scroll{\r\n    overflow-x:auto;\r\n    -webkit-overflow-scrolling:touch;\r\n    scrollbar-width:thin;\r\n    scrollbar-color:#b7c99a #f0f2ee;\r\n  }\r\n  .ct-scroll::-webkit-scrollbar{ height:8px; }\r\n  .ct-scroll::-webkit-scrollbar-track{ background:#f0f2ee; }\r\n  .ct-scroll::-webkit-scrollbar-thumb{ background:#b7c99a; border-radius:4px; }\r\n  .ct-scroll-hint{\r\n    display:none;\r\n    font-size:12px;\r\n    color:#888;\r\n    text-align:center;\r\n    margin:0 0 10px;\r\n  }\r\n  .ct-wrap{\r\n    display:flex;\r\n    align-items:flex-start;\r\n    min-width:900px;\r\n  }\r\n  .ct-half{\r\n    flex:1 1 50%;\r\n  }\r\n  .ct-half + .ct-half{\r\n    border-left:1px solid var(--border);\r\n  }\r\n  table.ct-table{\r\n    width:100%;\r\n    border-collapse:collapse;\r\n    font-size:13px;\r\n  }\r\n  .ct-table thead th{\r\n    background:var(--header-bg);\r\n    color:var(--header-text);\r\n    font-weight:700;\r\n    padding:10px 8px;\r\n    text-align:left;\r\n    border:1px solid var(--header-bg);\r\n  }\r\n  .ct-table thead tr.ct-subrow th{\r\n    background:var(--header-bg-sub);\r\n    border:1px solid var(--header-bg-sub);\r\n    text-align:center;\r\n    font-size:12px;\r\n  }\r\n  .ct-table tbody td{\r\n    padding:7px 8px;\r\n    border:1px solid var(--border);\r\n    color:#555;\r\n    vertical-align:middle;\r\n  }\r\n  .ct-table tbody td.chem-name{\r\n    color:var(--label-text);\r\n    font-weight:700;\r\n    vertical-align:top;\r\n  }\r\n  .ct-table tbody tr.alt td{\r\n    background:var(--row-alt);\r\n  }\r\n  .ct-table td.grade-cell{\r\n    text-align:center;\r\n  }\r\n  .grade{\r\n    display:inline-block;\r\n    min-width:20px;\r\n    padding:2px 6px;\r\n    border-radius:3px;\r\n    font-weight:700;\r\n    font-size:12px;\r\n    text-align:center;\r\n  }\r\n  .grade-a{ background:var(--grade-a); color:#fff; }\r\n  .grade-b{ background:var(--grade-b); color:var(--grade-b-text); }\r\n  .grade-c{ background:var(--grade-c); color:#fff; }\r\n  .grade-x{ background:var(--grade-x); color:#fff; }\r\n  .grade-dash{ color:#aaa; }\r\n  .ct-legend-table{\r\n    width:100%;\r\n    border-collapse:collapse;\r\n    margin-top:16px;\r\n    background:#f3f7ec;\r\n    border-left:3px solid var(--header-bg);\r\n    font-size:13px;\r\n  }\r\n  .ct-legend-table td{\r\n    padding:6px 18px;\r\n    border:none;\r\n    color:#444;\r\n    line-height:1.9;\r\n  }\r\n  .ct-legend-table td:first-child{\r\n    width:20px;\r\n    font-weight:700;\r\n    color:var(--label-text);\r\n    padding-right:0;\r\n  }\r\n\r\n  @media (max-width:800px){\r\n    body{ padding:20px 12px; }\r\n    .ct-card{ padding:14px; }\r\n    .ct-scroll-hint{ display:block; }\r\n  }\r\n<\/style>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f2fcfcc e-flex e-con-boxed e-con e-parent\" data-id=\"f2fcfcc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-af17e27 elementor-widget elementor-widget-html\" data-id=\"af17e27\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t  <div class=\"ct-scroll\">\r\n    <div class=\"ct-wrap\">\r\n\r\n      <div class=\"ct-half\">\r\n        <table class=\"ct-table\">\r\n          <thead>\r\n            <tr>\r\n              <th rowspan=\"2\">Chemical density<\/th>\r\n              <th rowspan=\"2\">%<\/th>\r\n              <th rowspan=\"2\">Temp (&deg;C)<\/th>\r\n              <th colspan=\"2\">Corrosion rate<\/th>\r\n            <\/tr>\r\n            <tr class=\"ct-subrow\">\r\n              <th>SUS304<\/th>\r\n              <th>SUS316L<\/th>\r\n            <\/tr>\r\n          <\/thead>\r\n          <tbody>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Ammonia<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>30<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr><td>10<\/td><td>80<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>30<\/td><td>80<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Caustic soda<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr><td>10<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Hydrochloric acid<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>30<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n            <tr><td>10<\/td><td>80<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n            <tr class=\"alt\"><td>30<\/td><td>80<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Carbonate of soda<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>30<\/td><td>24<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n            <tr><td>10<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>30<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Acetic acid<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>60<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr><td>10<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>60<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Oxalic acid<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-c\">C<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-c\">C<\/span><\/td><\/tr>\r\n            <tr><td>10<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-c\">C<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-c\">C<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Sulfuric acid<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n            <tr><td>10<\/td><td>100<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td>100<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Nitric acid<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr><td>10<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"2\">Hydrogen sulfide<\/td><td><\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-c\">C<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td><\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"2\">Sulfur dioxide<\/td><td><\/td><td>30&ndash;60<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n            <tr class=\"alt\"><td><\/td><td>30&ndash;60<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"2\">Sea water<\/td><td>-<\/td><td>24<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>-<\/td><td>100<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"2\">Naphtha<\/td><td>-<\/td><td>80<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>-<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Chlorine<\/td><td><\/td><td>24<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td><\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n            <tr><td><\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td><\/td><td>90<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Lactic acid<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr><td>10<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"2\">Chloride zinc<\/td><td>20<\/td><td><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Methylene chloride<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-c\">C<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>40<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-c\">C<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr><td>10<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-c\">C<\/span><\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n            <tr class=\"alt\"><td>40<\/td><td>100<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"2\">Iron (I) chloride<\/td><td>30<\/td><td>25<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td><\/td><td><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Ferrous sulfate<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr><td>10<\/td><td>100<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td>100<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n\r\n          <\/tbody>\r\n        <\/table>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b09623 elementor-widget elementor-widget-html\" data-id=\"4b09623\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t  <div class=\"ct-scroll\">\r\n    <div class=\"ct-wrap\">\r\n      <div class=\"ct-half\">\r\n        <table class=\"ct-table\">\r\n          <thead>\r\n            <tr>\r\n              <th rowspan=\"2\">Chemical density<\/th>\r\n              <th rowspan=\"2\">%<\/th>\r\n              <th rowspan=\"2\">Temp (&deg;C)<\/th>\r\n              <th colspan=\"2\">Corrosion rate<\/th>\r\n            <\/tr>\r\n            <tr class=\"ct-subrow\">\r\n              <th>SUS304<\/th>\r\n              <th>SUS316L<\/th>\r\n            <\/tr>\r\n          <\/thead>\r\n          <tbody>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Calcium chloride<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr><td>10<\/td><td>100<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Ammonium chloride<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-c\">C<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>40<\/td><td>24<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n            <tr><td>10<\/td><td>100<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>40<\/td><td>100<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"2\">Potassium carbonate<\/td><td>5<\/td><td><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>20<\/td><td><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Sodium chloride<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>40<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr><td>10<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>40<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\">Chromic acid<\/td><td>5<\/td><td>24<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n\r\n            <tr class=\"alt\"><td class=\"chem-name\">Hydrofluoric<\/td><td>5<\/td><td>30<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Phosphoric acid<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr><td>10<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>50<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"2\">Aqua regia<\/td><td>HCL-HNO3<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>3:1<\/td><td>100<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"4\">Cupric chloride<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>30<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n            <tr><td>10<\/td><td>100<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n            <tr class=\"alt\"><td>30<\/td><td>100<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\">Phenol<\/td><td><\/td><td>25<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td class=\"chem-name\">Methyl alchol<\/td><td>95<\/td><td>25<\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr><td class=\"chem-name\">Carbontetrachloride<\/td><td>100<\/td><td><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td class=\"chem-name\">Formaldehyde<\/td><td>37<\/td><td><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n\r\n            <tr><td class=\"chem-name\" rowspan=\"5\">Formic acid<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>20<\/td><td>52<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell grade-dash\">-<\/td><\/tr>\r\n            <tr><td>50<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>10<\/td><td>100<\/td><td class=\"grade-cell grade-dash\">-<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n            <tr><td>50<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><\/tr>\r\n\r\n            <tr class=\"alt\"><td class=\"chem-name\" rowspan=\"4\">Citric acid<\/td><td>10<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr><td>50<\/td><td>24<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr class=\"alt\"><td>10<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-b\">B<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n            <tr><td>50<\/td><td>100<\/td><td class=\"grade-cell\"><span class=\"grade grade-x\">X<\/span><\/td><td class=\"grade-cell\"><span class=\"grade grade-a\">A<\/span><\/td><\/tr>\r\n          <\/tbody>\r\n        <\/table>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3aa0335 elementor-widget elementor-widget-html\" data-id=\"3aa0335\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t  <table class=\"ct-legend-table\">\r\n          <tbody>\r\n            <tr><td>A<\/td><td>&ndash; Less 0.051mm\/year<\/td><\/tr>\r\n            <tr><td>B<\/td><td>&ndash; Less 0.508mm\/year<\/td><\/tr>\r\n            <tr><td>C<\/td><td>&ndash; Less 0.508-1.27mm\/year<\/td><\/tr>\r\n            <tr><td>X<\/td><td>&ndash; More than 1.27mm\/year<\/td><\/tr>\r\n          <\/tbody>\r\n        <\/table>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"featured_media":985,"template":"","meta":{"_acf_changed":false},"class_list":["post-979","technical-support","type-technical-support","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/thaiflex.siamsample.com\/th\/wp-json\/wp\/v2\/technical-support\/979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thaiflex.siamsample.com\/th\/wp-json\/wp\/v2\/technical-support"}],"about":[{"href":"https:\/\/thaiflex.siamsample.com\/th\/wp-json\/wp\/v2\/types\/technical-support"}],"version-history":[{"count":32,"href":"https:\/\/thaiflex.siamsample.com\/th\/wp-json\/wp\/v2\/technical-support\/979\/revisions"}],"predecessor-version":[{"id":1013,"href":"https:\/\/thaiflex.siamsample.com\/th\/wp-json\/wp\/v2\/technical-support\/979\/revisions\/1013"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/thaiflex.siamsample.com\/th\/wp-json\/wp\/v2\/media\/985"}],"wp:attachment":[{"href":"https:\/\/thaiflex.siamsample.com\/th\/wp-json\/wp\/v2\/media?parent=979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}