{"id":8196,"date":"2026-05-20T00:24:24","date_gmt":"2026-05-20T00:24:24","guid":{"rendered":"https:\/\/cerapuresteel.com\/?page_id=8196"},"modified":"2026-05-20T00:31:27","modified_gmt":"2026-05-20T00:31:27","slug":"ra-rms-surface-roughness-calculation-complete-surface-finish-guide","status":"publish","type":"page","link":"https:\/\/cerapuresteel.com\/ra-rms-surface-roughness-calculation-complete-surface-finish-guide\/","title":{"rendered":"Ra &amp; RMS Surface Roughness Calculation \u2013 Complete Surface Finish Guide"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"8196\" class=\"elementor elementor-8196\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e4adaeb e-flex e-con-boxed pxl-row-scroll-none pxl-column-none pxl-full-content-with-space-none wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-parent \" data-id=\"e4adaeb\" data-element_type=\"container\" data-e-type=\"container\">\t\t\t<div class=\"e-con-inner\">\r\n\t\t\t\t<div class=\"elementor-element elementor-element-f1362c3 elementor-widget elementor-widget-pxl_heading\" data-id=\"f1362c3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"pxl_heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n<div id=\"pxl-pxl_heading-f1362c3-3974\" class=\"pxl-heading px-sub-title-default-style \">\n\t<div class=\"pxl-heading--inner\">\n\t\t\n\t\t<h2 class=\"pxl-item--title style-default highlight-default \" data-wow-delay=\"ms\">\n\t\t\t\t\tRa &#038; RMS Surface Roughness Calculation\t\t\t<\/h2>\n\n\n\t\t\n\t<\/div>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7bac492 e-con-full e-flex pxl-row-scroll-none pxl-column-none pxl-full-content-with-space-none wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-child \" data-id=\"7bac492\" data-element_type=\"container\" data-e-type=\"container\">\t\t<div class=\"elementor-element elementor-element-501904d elementor-widget elementor-widget-pxl_text_editor\" data-id=\"501904d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"pxl_text_editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"pxl-text-editor default\">\n\t<div class=\"pxl-item--inner  \" data-wow-delay=\"ms\">\n\t\t<p>The Ra &amp; RMS Surface Roughness Calculation guide by CeraPure Steel helps engineers, manufacturers, machinists, and industrial professionals understand surface roughness measurements used in stainless steel fabrication, CNC machining, pharmaceutical equipment, dairy processing systems, and industrial manufacturing.<\/p><p>Surface roughness measurement is essential for evaluating the quality, texture, smoothness, and performance of machined or polished surfaces. Parameters such as Ra (Roughness Average) and RMS (Root Mean Square Roughness) are widely used in engineering standards including ASME B46.1 and ISO surface finish standards.<\/p><h2><span style=\"font-size: 24px\"><strong>What is Surface Roughness?<\/strong><\/span><\/h2><p>Surface roughness refers to the microscopic peaks and valleys present on a material surface after machining, polishing, grinding, or fabrication. It determines how smooth or rough a surface appears and directly affects performance, friction, sealing, cleanliness, and corrosion resistance.<\/p><p>Surface roughness is commonly measured using:<\/p><ul><li>Ra (Roughness Average)<\/li><li>RMS \/ Rq (Root Mean Square Roughness)<\/li><li>Rz (Average Maximum Height)<\/li><li>Rt (Total Height of Profile)<\/li><\/ul><h2><span style=\"font-size: 24px\"><strong>Ra Surface Roughness Formula<\/strong><\/span><\/h2><p>Ra is the arithmetic average of the absolute values of surface profile deviations from the center line.<\/p><p>Ra=1L\u222b\u2223Z(x)\u2223\u2009dxRa = \\frac{1}{L}\\int |Z(x)|\\,dxRa=L1\u200b\u222b\u2223Z(x)\u2223dx<\/p><p>Where:<\/p><ul><li><strong>Ra<\/strong> = Average Roughness<\/li><li><strong>L<\/strong> = Sampling Length<\/li><li><strong>Z(x)<\/strong> = Height deviation from the mean line<\/li><\/ul><p>Lower Ra values indicate smoother surfaces.<\/p><h2><span style=\"font-size: 24px\"><strong>RMS Surface Roughness Formula<\/strong><\/span><\/h2><p>RMS or Rq measures the root mean square average of surface profile deviations.<\/p><p>RMS=1L\u222bZ(x)2\u2009dxRMS = \\sqrt{\\frac{1}{L}\\int Z(x)^2\\,dx}RMS=L1\u200b\u222bZ(x)2dx\u200b<\/p><p>RMS values are usually slightly higher than Ra values because squaring emphasizes larger peaks and valleys.<\/p><h1><span style=\"font-size: 24px\"><strong>Difference Between Ra and RMS<\/strong><\/span><\/h1><table><thead><tr><td><p><strong>Parameter<\/strong><\/p><\/td><td><p><strong>Ra<\/strong><\/p><\/td><td><p><strong>RMS \/ Rq<\/strong><\/p><\/td><\/tr><\/thead><tbody><tr><td><p>Full Form<\/p><\/td><td><p>Roughness Average<\/p><\/td><td><p>Root Mean Square<\/p><\/td><\/tr><tr><td><p>Measurement Type<\/p><\/td><td><p>Arithmetic Average<\/p><\/td><td><p>Statistical Average<\/p><\/td><\/tr><tr><td><p>Sensitivity<\/p><\/td><td><p>Moderate<\/p><\/td><td><p>Higher sensitivity to peaks<\/p><\/td><\/tr><tr><td><p>Accuracy<\/p><\/td><td><p>Standard industrial use<\/p><\/td><td><p>More precise analysis<\/p><\/td><\/tr><tr><td><p>Common Usage<\/p><\/td><td><p>Machining &amp; fabrication<\/p><\/td><td><p>Scientific &amp; precision engineering<\/p><\/td><\/tr><\/tbody><\/table><p><strong>Surface Roughness Conversion Chart<\/strong><\/p><table><thead><tr><td><p><strong>Ra (\u00b5m)<\/strong><\/p><\/td><td><p><strong>Ra (\u00b5in)<\/strong><\/p><\/td><td><p><strong>RMS<\/strong><\/p><\/td><td><p><strong>N Grade<\/strong><\/p><\/td><\/tr><\/thead><tbody><tr><td><p>0.025<\/p><\/td><td><p>1<\/p><\/td><td><p>1.1<\/p><\/td><td><p>N1<\/p><\/td><\/tr><tr><td><p>0.05<\/p><\/td><td><p>2<\/p><\/td><td><p>2.2<\/p><\/td><td><p>N2<\/p><\/td><\/tr><tr><td><p>0.1<\/p><\/td><td><p>4<\/p><\/td><td><p>4.4<\/p><\/td><td><p>N3<\/p><\/td><\/tr><tr><td><p>0.2<\/p><\/td><td><p>8<\/p><\/td><td><p>8.8<\/p><\/td><td><p>N4<\/p><\/td><\/tr><tr><td><p>0.4<\/p><\/td><td><p>16<\/p><\/td><td><p>17.6<\/p><\/td><td><p>N5<\/p><\/td><\/tr><tr><td><p>0.8<\/p><\/td><td><p>32<\/p><\/td><td><p>35.2<\/p><\/td><td><p>N6<\/p><\/td><\/tr><tr><td><p>1.6<\/p><\/td><td><p>63<\/p><\/td><td><p>69.3<\/p><\/td><td><p>N7<\/p><\/td><\/tr><tr><td><p>3.2<\/p><\/td><td><p>125<\/p><\/td><td><p>137.5<\/p><\/td><td><p>N8<\/p><\/td><\/tr><tr><td><p>6.3<\/p><\/td><td><p>250<\/p><\/td><td><p>275<\/p><\/td><td><p>N9<\/p><\/td><\/tr><tr><td><p>12.5<\/p><\/td><td><p>500<\/p><\/td><td><p>550<\/p><\/td><td><p>N10<\/p><\/td><\/tr><tr><td><p>25<\/p><\/td><td><p>1000<\/p><\/td><td><p>1100<\/p><\/td><td><p>N11<\/p><\/td><\/tr><\/tbody><\/table><h2><span style=\"font-size: 24px\"><strong>Surface Finish Grade Numbers<\/strong><\/span><\/h2><table><thead><tr><td><p><strong>ISO Grade<\/strong><\/p><\/td><td><p><strong>Ra (\u00b5m)<\/strong><\/p><\/td><td><p><strong>Surface Quality<\/strong><\/p><\/td><\/tr><\/thead><tbody><tr><td><p>N1<\/p><\/td><td><p>0.025<\/p><\/td><td><p>Mirror Finish<\/p><\/td><\/tr><tr><td><p>N2<\/p><\/td><td><p>0.05<\/p><\/td><td><p>Ultra Fine<\/p><\/td><\/tr><tr><td><p>N3<\/p><\/td><td><p>0.1<\/p><\/td><td><p>Fine Finish<\/p><\/td><\/tr><tr><td><p>N4<\/p><\/td><td><p>0.2<\/p><\/td><td><p>Precision Finish<\/p><\/td><\/tr><tr><td><p>N5<\/p><\/td><td><p>0.4<\/p><\/td><td><p>Smooth Finish<\/p><\/td><\/tr><tr><td><p>N6<\/p><\/td><td><p>0.8<\/p><\/td><td><p>Commercial Finish<\/p><\/td><\/tr><tr><td><p>N7<\/p><\/td><td><p>1.6<\/p><\/td><td><p>Standard Machining<\/p><\/td><\/tr><tr><td><p>N8<\/p><\/td><td><p>3.2<\/p><\/td><td><p>Rough Machining<\/p><\/td><\/tr><tr><td><p>N9<\/p><\/td><td><p>6.3<\/p><\/td><td><p>Heavy Machining<\/p><\/td><\/tr><tr><td><p>N10<\/p><\/td><td><p>12.5<\/p><\/td><td><p>Coarse Finish<\/p><\/td><\/tr><\/tbody><\/table><h2><span style=\"font-size: 24px\"><strong>Grit vs Ra Surface Roughness Chart<\/strong><\/span><\/h2><table><thead><tr><td><p><strong>Grit Finish<\/strong><\/p><\/td><td><p><strong>Ra (Micron)<\/strong><\/p><\/td><td><p><strong>Ra (Micro-inch)<\/strong><\/p><\/td><\/tr><\/thead><tbody><tr><td><p>36 Grit<\/p><\/td><td><p>3.61<\/p><\/td><td><p>142<\/p><\/td><\/tr><tr><td><p>60 Grit<\/p><\/td><td><p>2.21<\/p><\/td><td><p>87<\/p><\/td><\/tr><tr><td><p>80 Grit<\/p><\/td><td><p>1.80<\/p><\/td><td><p>71<\/p><\/td><\/tr><tr><td><p>120 Grit<\/p><\/td><td><p>1.32<\/p><\/td><td><p>52<\/p><\/td><\/tr><tr><td><p>150 Grit<\/p><\/td><td><p>1.06<\/p><\/td><td><p>42<\/p><\/td><\/tr><tr><td><p>180 Grit<\/p><\/td><td><p>0.76<\/p><\/td><td><p>30<\/p><\/td><\/tr><tr><td><p>240 Grit<\/p><\/td><td><p>0.38<\/p><\/td><td><p>15<\/p><\/td><\/tr><tr><td><p>320 Grit<\/p><\/td><td><p>0.30<\/p><\/td><td><p>12<\/p><\/td><\/tr><tr><td><p>400 Grit<\/p><\/td><td><p>0.23<\/p><\/td><td><p>9<\/p><\/td><\/tr><tr><td><p>Mirror Finish<\/p><\/td><td><p>0.10<\/p><\/td><td><p>4<\/p><\/td><\/tr><\/tbody><\/table><h2><span style=\"font-size: 24px\"><strong>Surface Roughness Measurement Methods<\/strong><\/span><\/h2><p><strong>Contact Profilometer<\/strong><\/p><p>Uses a stylus to trace the surface profile physically.<\/p><p><strong>Non-Contact Profilometer<\/strong><\/p><p>Uses laser or optical measurement systems.<\/p><p><strong>Portable Surface Roughness Tester<\/strong><\/p><p>Handheld device for industrial inspections.<\/p><p><strong>Surface Comparator<\/strong><\/p><p>Visual comparison using reference standards.<\/p><h2><span style=\"font-size: 24px\"><strong>Surface Roughness Symbols &amp; Meaning<\/strong><\/span><\/h2><table><thead><tr><td><p><strong>Symbol Type<\/strong><\/p><\/td><td><p><strong>Meaning<\/strong><\/p><\/td><\/tr><\/thead><tbody><tr><td><p>Basic Surface Symbol<\/p><\/td><td><p>General surface texture<\/p><\/td><\/tr><tr><td><p>Material Removal Required<\/p><\/td><td><p>Machining required<\/p><\/td><\/tr><tr><td><p>Material Removal Prohibited<\/p><\/td><td><p>No machining allowed<\/p><\/td><\/tr><tr><td><p>Surface Direction Symbol<\/p><\/td><td><p>Indicates machining lay direction<\/p><\/td><\/tr><\/tbody><\/table><p><strong>Average Roughness of Machining Processes<\/strong><\/p><table><thead><tr><td><p><strong>Machining Process<\/strong><\/p><\/td><td><p><strong>Typical Ra Range (\u00b5m)<\/strong><\/p><\/td><\/tr><\/thead><tbody><tr><td><p>Flame Cutting<\/p><\/td><td><p>12.5 \u2013 25<\/p><\/td><\/tr><tr><td><p>Sawing<\/p><\/td><td><p>1.6 \u2013 25<\/p><\/td><\/tr><tr><td><p>Drilling<\/p><\/td><td><p>1.6 \u2013 6.3<\/p><\/td><\/tr><tr><td><p>Milling<\/p><\/td><td><p>0.8 \u2013 6.3<\/p><\/td><\/tr><tr><td><p>Grinding<\/p><\/td><td><p>0.2 \u2013 1.6<\/p><\/td><\/tr><tr><td><p>Honing<\/p><\/td><td><p>0.1 \u2013 0.8<\/p><\/td><\/tr><tr><td><p>Polishing<\/p><\/td><td><p>0.1 \u2013 0.4<\/p><\/td><\/tr><tr><td><p>Super Finishing<\/p><\/td><td><p>0.025 \u2013 0.2<\/p><\/td><\/tr><\/tbody><\/table><h2><span style=\"font-size: 24px\"><strong>Surface Roughness for Different Materials<\/strong><\/span><\/h2><table><thead><tr><td><p><strong>Material<\/strong><\/p><\/td><td><p><strong>Typical Ra Value<\/strong><\/p><\/td><\/tr><\/thead><tbody><tr><td><p>Stainless Steel<\/p><\/td><td><p>0.2 \u00b5m \u2013 3 \u00b5m<\/p><\/td><\/tr><tr><td><p>Aluminum<\/p><\/td><td><p>0.1 \u00b5m \u2013 1 \u00b5m<\/p><\/td><\/tr><tr><td><p>Copper<\/p><\/td><td><p>0.1 \u00b5m \u2013 1 \u00b5m<\/p><\/td><\/tr><tr><td><p>Titanium<\/p><\/td><td><p>0.5 \u00b5m \u2013 4 \u00b5m<\/p><\/td><\/tr><\/tbody><\/table><p><strong>Importance of Surface Roughness in Industry<\/strong><\/p><p>Surface finish plays a major role in:<\/p><ul><li>Corrosion resistance<\/li><li>Product cleanliness<\/li><li>Hygienic performance<\/li><li>Sealing capability<\/li><li>Wear resistance<\/li><li>Friction reduction<\/li><li>Product appearance<\/li><li>Mechanical performance<\/li><\/ul><p>Industries such as pharmaceutical, dairy, biotech, semiconductor, food processing, and stainless steel fabrication require controlled surface finishes for hygienic and operational performance.<\/p><h2><span style=\"font-size: 24px\"><strong>Applications of Ra &amp; RMS Surface Finish<\/strong><\/span><\/h2><p><strong>Pharmaceutical Industry<\/strong><\/p><p>Used for hygienic stainless steel tubing and process equipment.<\/p><p><strong>Dairy &amp; Food Processing<\/strong><\/p><p>Ensures smooth sanitary surfaces for easy cleaning.<\/p><p><strong>CNC Machining<\/strong><\/p><p>Controls precision and dimensional quality.<\/p><p><strong>Aerospace Industry<\/strong><\/p><p>Improves fatigue resistance and aerodynamic performance.<\/p><p><strong>Semiconductor Industry<\/strong><\/p><p>Requires ultra-smooth precision surfaces.<\/p><p><strong>Oil &amp; Gas Industry<\/strong><\/p><p>Used for sealing and pressure-containing surfaces.<\/p><h2><span style=\"font-size: 24px\"><strong>Common Surface Finishes in Stainless Steel<\/strong><\/span><\/h2><p><\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div> <a href=\"https:\/\/cerapuresteel.com\/ra-rms-surface-roughness-calculation-complete-surface-finish-guide\/#more-8196\" class=\"more-link elementor-more-link\"><span aria-label=\"Continue reading Ra &amp; RMS Surface Roughness Calculation \u2013 Complete Surface Finish Guide\">(more&hellip;)<\/span><\/a>","protected":false},"excerpt":{"rendered":"<p>Ra &#038; RMS Surface Roughness Calculation The Ra &amp; RMS Surface Roughness Calculation guide by CeraPure Steel helps engineers, manufacturers, machinists, and industrial professionals understand surface roughness measurements used in stainless steel fabrication, CNC machining, pharmaceutical equipment, dairy processing systems, and industrial manufacturing. Surface roughness measurement is essential for evaluating the quality, texture, smoothness, and performance of machined or polished surfaces. Parameters such as Ra (Roughness Average) and RMS (Root Mean Square Roughness) are widely used in engineering standards including ASME B46.1 and ISO surface finish standards. What is Surface Roughness? Surface roughness refers to the microscopic peaks and valleys present on a material surface after machining, polishing, grinding, or fabrication. It determines how smooth or rough a surface appears and directly affects performance, friction, sealing, cleanliness, and corrosion resistance. Surface roughness is commonly measured using: Ra (Roughness Average) RMS \/ Rq (Root Mean Square Roughness) Rz (Average Maximum Height) Rt (Total Height of Profile) Ra Surface Roughness Formula Ra is the arithmetic average of the absolute values of surface profile deviations from the center line. Ra=1L\u222b\u2223Z(x)\u2223\u2009dxRa = frac{1}{L}int |Z(x)|,dxRa=L1\u200b\u222b\u2223Z(x)\u2223dx Where: Ra = Average Roughness L = Sampling Length Z(x) = Height deviation from the mean line Lower Ra values indicate smoother surfaces. RMS Surface Roughness Formula RMS or Rq measures the root mean square average of surface profile deviations. RMS=1L\u222bZ(x)2\u2009dxRMS = sqrt{frac{1}{L}int Z(x)^2,dx}RMS=L1\u200b\u222bZ(x)2dx\u200b RMS values are usually slightly higher than Ra values because squaring emphasizes larger peaks and valleys. Difference Between Ra and RMS Parameter Ra RMS \/ Rq Full Form Roughness Average Root Mean Square Measurement Type Arithmetic Average Statistical Average Sensitivity Moderate Higher sensitivity to peaks Accuracy Standard industrial use More precise analysis Common Usage Machining &amp; fabrication Scientific &amp; precision engineering Surface Roughness Conversion Chart Ra (\u00b5m) Ra (\u00b5in) RMS N Grade 0.025 1 1.1 N1 0.05 2 2.2 N2 0.1 4 4.4 N3 0.2 8 8.8 N4 0.4 16 17.6 N5 0.8 32 35.2 N6 1.6 63 69.3 N7 3.2 125 137.5 N8 6.3 250 275 N9 12.5 500 550 N10 25 1000 1100 N11 Surface Finish Grade Numbers ISO Grade Ra (\u00b5m) Surface Quality N1 0.025 Mirror Finish N2 0.05 Ultra Fine N3 0.1 Fine Finish N4 0.2 Precision Finish N5 0.4 Smooth Finish N6 0.8 Commercial Finish N7 1.6 Standard Machining N8 3.2 Rough Machining N9 6.3 Heavy Machining N10 12.5 Coarse Finish Grit vs Ra Surface Roughness Chart Grit Finish Ra (Micron) Ra (Micro-inch) 36 Grit 3.61 142 60 Grit 2.21 87 80 Grit 1.80 71 120 Grit 1.32 52 150 Grit 1.06 42 180 Grit 0.76 30 240 Grit 0.38 15 320 Grit 0.30 12 400 Grit 0.23 9 Mirror Finish 0.10 4 Surface Roughness Measurement Methods Contact Profilometer Uses a stylus to trace the surface profile physically. Non-Contact Profilometer Uses laser or optical measurement systems. Portable Surface Roughness Tester Handheld device for industrial inspections. Surface Comparator Visual comparison using reference standards. Surface Roughness Symbols &amp; Meaning Symbol Type Meaning Basic Surface Symbol General surface texture Material Removal Required Machining required Material Removal Prohibited No machining allowed Surface Direction Symbol Indicates machining lay direction Average Roughness of Machining Processes Machining Process Typical Ra Range (\u00b5m) Flame Cutting 12.5 \u2013 25 Sawing 1.6 \u2013 25 Drilling 1.6 \u2013 6.3 Milling 0.8 \u2013 6.3 Grinding 0.2 \u2013 1.6 Honing 0.1 \u2013 0.8 Polishing 0.1 \u2013 0.4 Super Finishing 0.025 \u2013 0.2 Surface Roughness for Different Materials Material Typical Ra Value Stainless Steel 0.2 \u00b5m \u2013 3 \u00b5m Aluminum 0.1 \u00b5m \u2013 1 \u00b5m Copper 0.1 \u00b5m \u2013 1 \u00b5m Titanium 0.5 \u00b5m \u2013 4 \u00b5m Importance of Surface Roughness in Industry Surface finish plays a major role in: Corrosion resistance Product cleanliness Hygienic performance Sealing capability Wear resistance Friction reduction Product appearance Mechanical performance Industries such as pharmaceutical, dairy, biotech, semiconductor, food processing, and stainless steel fabrication require controlled surface finishes for hygienic and operational performance. Applications of Ra &amp; RMS Surface Finish Pharmaceutical Industry Used for hygienic stainless steel tubing and process equipment. Dairy &amp; Food Processing Ensures smooth sanitary surfaces for easy cleaning. CNC Machining Controls precision and dimensional quality. Aerospace Industry Improves fatigue resistance and aerodynamic performance. Semiconductor Industry Requires ultra-smooth precision surfaces. Oil &amp; Gas Industry Used for sealing and pressure-containing surfaces. Common Surface Finishes in Stainless Steel<\/p>\n","protected":false},"author":2,"featured_media":7421,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_thinkrank_schema_form_data":"","_thinkrank_selected_schema_type":"","_thinkrank_additional_schemas":"","_thinkrank_canonical_url":"","_thinkrank_og_title":"","_thinkrank_og_description":"","_thinkrank_og_image":"","_thinkrank_twitter_title":"","_thinkrank_twitter_description":"","_thinkrank_twitter_image":"","_thinkrank_imported_from":"rankmath","_thinkrank_focus_keywords":["NB Pipe Size Chart"],"_thinkrank_focus_keyword":"NB Pipe Size Chart","_thinkrank_robots_meta_enabled":0,"_thinkrank_robots_meta":"","_thinkrank_advanced_robots_meta":"","_thinkrank_exclude_from_search":0,"_thinkrank_exclude_from_archives":0,"_thinkrank_primary_category":0,"footnotes":""},"class_list":["post-8196","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/cerapuresteel.com\/wp-json\/wp\/v2\/pages\/8196","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cerapuresteel.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cerapuresteel.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cerapuresteel.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cerapuresteel.com\/wp-json\/wp\/v2\/comments?post=8196"}],"version-history":[{"count":4,"href":"https:\/\/cerapuresteel.com\/wp-json\/wp\/v2\/pages\/8196\/revisions"}],"predecessor-version":[{"id":8202,"href":"https:\/\/cerapuresteel.com\/wp-json\/wp\/v2\/pages\/8196\/revisions\/8202"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cerapuresteel.com\/wp-json\/wp\/v2\/media\/7421"}],"wp:attachment":[{"href":"https:\/\/cerapuresteel.com\/wp-json\/wp\/v2\/media?parent=8196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}