{"id":19621,"date":"2024-01-10T21:17:48","date_gmt":"2024-01-10T14:17:48","guid":{"rendered":"https:\/\/aycontento.com\/?post_type=product&#038;p=19621"},"modified":"2026-04-11T14:49:24","modified_gmt":"2026-04-11T07:49:24","slug":"round-bar-steel","status":"publish","type":"product","link":"https:\/\/aycontento.com\/en\/product\/steel\/round-bar-steel\/","title":{"rendered":"Round Bar"},"content":{"rendered":"<div data-elementor-type=\"product-post\" data-elementor-id=\"19621\" class=\"elementor elementor-19621\" data-elementor-post-type=\"product\">\n\t\t\t\t<div class=\"wd-negative-gap elementor-element elementor-element-f9ae99e e-flex e-con-boxed e-con e-parent\" data-id=\"f9ae99e\" 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-a70b9d0 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"a70b9d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2><strong>Round steel bar, grade SR24, conforming to Thai Industrial Standard (TIS), smooth surface.<\/strong><\/h2><p><b>round steel bars<\/b><span style=\"font-weight: 400;\"> or <\/span><b>Round Bar (RB)<\/b><span style=\"font-weight: 400;\"> Hot-rolled steel bars are circular steel sections with a smooth, even surface throughout their length, without ribs or fins like deformed steel bars. They are a very important type of reinforcing steel (rebar) in structural work.<\/span><\/p><p><span style=\"font-weight: 400;\">Our products are steel grades. <\/span><b>SR24<\/b><span style=\"font-weight: 400;\"> (Standard Round 24) which means steel with a yield strength of not less than 2,400 kg\/cm\u00b2 and certified to the standard. <\/span><a href=\"https:\/\/www.tisi.go.th\/data\/standard\/fulltext\/TIS-20-2559p.pdf\" target=\"_blank\" rel=\"noopener\"><b>TIS 20-2559<\/b><\/a><span style=\"font-weight: 400;\">\u00a0You can be confident that it is &quot;solid steel&quot; with the correct diameter and weight according to the criteria.<\/span><\/p><h2><b>\u00a0<\/b><\/h2><h2><b>Why choose round steel bars from AY Contento?<\/b><\/h2><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>High Ductility:<\/b><span style=\"font-weight: 400;\"> The steel is highly flexible, making it suitable for bending and folding to create reinforcing steel cages, bar ties, or hooks without breaking easily in your hand.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Smooth Surface:<\/b><span style=\"font-weight: 400;\"> The smooth, clean steel surface facilitates and speeds up general work.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Standard Weight:<\/b><span style=\"font-weight: 400;\"> It&#039;s not lightweight or undersized steel, helping contractors accurately calculate weight and costs, preventing specification fraud.<\/span><\/li><\/ul><h2><b>\u00a0<\/b><\/h2><h2><b>Applications<\/b><\/h2><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Stirrups:<\/b><span style=\"font-weight: 400;\"> Used to bend into a square shape to wrap around reinforcing steel bars in columns and beams (RB6 and RB9 sizes are commonly used).<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Minor Reinforcement:<\/b><span style=\"font-weight: 400;\"> Used as reinforcement in small concrete pavements, sidewalks, or brick walls.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Architectural works:<\/b><span style=\"font-weight: 400;\"> Used for making wrought iron window grills, fences, balcony railings, or loft-style furniture.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>General work:<\/b><span style=\"font-weight: 400;\"> Steel wire ties for door and window frames, ground-mounted door bolts.<\/span><\/li><\/ol><h2><b>\u00a0<\/b><\/h2><h2><b>Standard Size and Weight Chart<\/b><\/h2><p><i><span style=\"font-weight: 400;\">(Standard length 10 meters)<\/span><\/i><\/p><table><tbody><tr><td><p><b>Name (size)<\/b><\/p><\/td><td><p><b>Diameter (mm)<\/b><\/p><\/td><td><p><b>Weight (kg\/piece), Length 10 m.<\/b><\/p><\/td><td><p><b>General use<\/b><\/p><\/td><\/tr><tr><td><p><b>RB 6 (2\/8 inch)<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">6<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">2.22<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Making reinforcing steel for columns and beams in a typical house.<\/span><\/p><\/td><\/tr><tr><td><p><b>RB 9 (3\/8 inch)<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">9<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">4.99<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Making steel stirrups for heavy-duty beams \/ reinforcing steel for floors.<\/span><\/p><\/td><\/tr><tr><td><p><b>RB 12 (1\/4 inch)<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">12<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">8.88<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Reinforcing steel bars for concrete columns \/ Small road construction projects<\/span><\/p><\/td><\/tr><tr><td><p><b>RB 15 (5\/8 inch)<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">15<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">13.87<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Specialized structural work<\/span><\/p><\/td><\/tr><tr><td><p><b>RB 19 (6\/8 inch)<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">19<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">22.26<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Bolt work \/ Machining work<\/span><\/p><\/td><\/tr><tr><td><p><b>RB 25 (1 inch)<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">25<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">38.53<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Mechanical work<\/span><\/p><\/td><\/tr><\/tbody><\/table><p><i><span style=\"font-weight: 400;\">(Note: RB6 and RB9 are the most commonly used sizes in residential building construction.)<\/span><\/i><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-799bef5 e-flex e-con-boxed e-con e-parent\" data-id=\"799bef5\" 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-7343af9 elementor-widget elementor-widget-wd_text_block\" data-id=\"7343af9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<h2><b>Frequently Asked Questions (FAQ)<\/b><\/h2>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0cffb40 elementor-widget elementor-widget-wd_accordion\" data-id=\"0cffb40\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-accordion wd-style-default wd-titles-left wd-opener-pos-left wd-opener-style-arrow\" data-state=\"first\">\n\t\t\t\t\t\t\t\n\t\t\t\t<div class=\"wd-accordion-item\">\n\t\t\t\t\t<div class=\"wd-accordion-title wd-role-btn wd-active\" data-accordion-index=\"0\" tabindex=\"0\">\n\t\t\t\t\t\t<div class=\"wd-accordion-title-text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\tQ: How does round steel bar (RB) differ from cold-drawn steel bar?\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<span class=\"wd-accordion-opener\"><\/span>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"wd-accordion-content wd-entry-content wd-active\" data-accordion-index=\"0\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Round steel bars (RB):<\/b><span style=\"font-weight: 400;\"> Dark gray surface, not perfectly smooth (has sparks from heat pressing). Size may vary slightly according to Thai Industrial Standards (TIS). Focus on quality work. <\/span><b>Construction\/Concrete<\/b><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Bright steel shaft:<\/b><span> Smooth, shiny silver finish. Precise dimensions. Emphasis on quality craftsmanship. <\/span><b>Turned\/Machinery\/Furniture with exposed surface<\/b><span> (More expensive than RB)<\/span><\/li><\/ul>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<div class=\"wd-accordion-item\">\n\t\t\t\t\t<div class=\"wd-accordion-title wd-role-btn\" data-accordion-index=\"1\" tabindex=\"0\">\n\t\t\t\t\t\t<div class=\"wd-accordion-title-text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\tQ: Can RB6 be used as reinforcing steel for house columns?\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<span class=\"wd-accordion-opener\"><\/span>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"wd-accordion-content wd-entry-content\" data-accordion-index=\"1\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<p><b>No.<\/b><span style=\"font-weight: 400;\"> According to engineering standards, the steel reinforcement in the column should be... <\/span><b>Deweloped Bar (DB)<\/b><span style=\"font-weight: 400;\"> Sizes of 12 mm and above are recommended for better compressive and tensile strength. RB6 is only suitable for use as reinforcement cages around columns.<\/span><\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7bcc1a0 elementor-widget elementor-widget-wd_text_block\" data-id=\"7bcc1a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<h2 data-path-to-node=\"31,0\"><b data-path-to-node=\"31,0\" data-index-in-node=\"0\">\"&quot;Looking for full-length RB6 and RB9 reinforcing bars? No deception?&quot;\"<\/b><\/h2><p data-path-to-node=\"31,1\"><span style=\"font-weight: 400;\">Order high-quality, certified Thai Industrial Standard (TIS) reinforcing steel bars and have them delivered to your construction site today.<\/span><\/p><p data-path-to-node=\"31,2\">\ud83d\udfe2 <b data-path-to-node=\"31,2\" data-index-in-node=\"3\">Line:<\/b> <a href=\"https:\/\/lin.ee\/WgUm3BT\" target=\"_blank\" rel=\"noopener\">@aycon<\/a><\/p><p data-path-to-node=\"31,2\">\ud83d\udcde <b data-path-to-node=\"31,2\" data-index-in-node=\"33\">Tel:<\/b> <a href=\"tel:0830243351\" target=\"_blank\" rel=\"noopener\">083-0243351<\/a><\/p><p data-path-to-node=\"31,2\">\ud83d\ude9a <b data-path-to-node=\"31,2\" data-index-in-node=\"61\">Delivery service:<\/b> <span style=\"font-weight: 400;\">Pickup trucks\/6-wheel trucks\/trailers nationwide.<\/span><\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\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-e65d9f1 e-con-full e-flex e-con e-parent\" data-id=\"e65d9f1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dce62d8 elementor-widget elementor-widget-heading\" data-id=\"dce62d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Request for quotation<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef5c6f9 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"ef5c6f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-lg elementor-animation-grow\" href=\"https:\/\/lin.ee\/zvmgJmz\" target=\"_blank\" rel=\"nofollow noopener\" id=\"Quotation CTA\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fab-line\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M272.1 204.2v71.1c0 1.8-1.4 3.2-3.2 3.2h-11.4c-1.1 0-2.1-.6-2.6-1.3l-32.6-44v42.2c0 1.8-1.4 3.2-3.2 3.2h-11.4c-1.8 0-3.2-1.4-3.2-3.2v-71.1c0-1.8 1.4-3.2 3.2-3.2H219c1 0 2.1.5 2.6 1.4l32.6 44v-42.2c0-1.8 1.4-3.2 3.2-3.2h11.4c1.8-.1 3.3 1.4 3.3 3.1zm-82-3.2h-11.4c-1.8 0-3.2 1.4-3.2 3.2v71.1c0 1.8 1.4 3.2 3.2 3.2h11.4c1.8 0 3.2-1.4 3.2-3.2v-71.1c0-1.7-1.4-3.2-3.2-3.2zm-27.5 59.6h-31.1v-56.4c0-1.8-1.4-3.2-3.2-3.2h-11.4c-1.8 0-3.2 1.4-3.2 3.2v71.1c0 .9.3 1.6.9 2.2.6.5 1.3.9 2.2.9h45.7c1.8 0 3.2-1.4 3.2-3.2v-11.4c0-1.7-1.4-3.2-3.1-3.2zM332.1 201h-45.7c-1.7 0-3.2 1.4-3.2 3.2v71.1c0 1.7 1.4 3.2 3.2 3.2h45.7c1.8 0 3.2-1.4 3.2-3.2v-11.4c0-1.8-1.4-3.2-3.2-3.2H301v-12h31.1c1.8 0 3.2-1.4 3.2-3.2V234c0-1.8-1.4-3.2-3.2-3.2H301v-12h31.1c1.8 0 3.2-1.4 3.2-3.2v-11.4c-.1-1.7-1.5-3.2-3.2-3.2zM448 113.7V399c-.1 44.8-36.8 81.1-81.7 81H81c-44.8-.1-81.1-36.9-81-81.7V113c.1-44.8 36.9-81.1 81.7-81H367c44.8.1 81.1 36.8 81 81.7zm-61.6 122.6c0-73-73.2-132.4-163.1-132.4-89.9 0-163.1 59.4-163.1 132.4 0 65.4 58 120.2 136.4 130.6 19.1 4.1 16.9 11.1 12.6 36.8-.7 4.1-3.3 16.1 14.1 8.8 17.4-7.3 93.9-55.3 128.2-94.7 23.6-26 34.9-52.3 34.9-81.5z\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Via LINE OA<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p><b>round steel bars<\/b><span style=\"font-weight: 400;\"> Round bars (RB) are smooth-surfaced construction steel bars, grade SR24, manufactured according to Thai Industrial Standard (TIS) 20-2559. They are characterized by high ductility, allowing them to be bent easily without cracking. They are commonly used as stirrups to wrap around columns and beams, or as reinforcement in small structures that do not require high tensile strength.<\/span><\/p>\n<p><i data-path-to-node=\"6,2\" data-index-in-node=\"0\">Contact us via Line for a price quote immediately \ud83d\udc47<\/i><\/p>","protected":false},"featured_media":40867,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[417,449],"product_tag":[3250,3252,562,568,560,567,569,2757,565,3251,571,561,564,566,563,570,3253],"class_list":["post-19621","product","type-product","status-publish","has-post-thumbnail","product_cat-steel","product_cat-rebar","product_tag-round-bar","product_tag-sr24","product_tag-562","product_tag-568","product_tag-560","product_tag-567","product_tag-569","product_tag-2757","product_tag--2-","product_tag--rb","product_tag-571","product_tag-561","product_tag--2--","product_tag-563","product_tag-570","product_tag-3253","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/aycontento.com\/en\/wp-json\/wp\/v2\/product\/19621","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aycontento.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/aycontento.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/aycontento.com\/en\/wp-json\/wp\/v2\/comments?post=19621"}],"version-history":[{"count":1,"href":"https:\/\/aycontento.com\/en\/wp-json\/wp\/v2\/product\/19621\/revisions"}],"predecessor-version":[{"id":41899,"href":"https:\/\/aycontento.com\/en\/wp-json\/wp\/v2\/product\/19621\/revisions\/41899"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aycontento.com\/en\/wp-json\/wp\/v2\/media\/40867"}],"wp:attachment":[{"href":"https:\/\/aycontento.com\/en\/wp-json\/wp\/v2\/media?parent=19621"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/aycontento.com\/en\/wp-json\/wp\/v2\/product_brand?post=19621"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/aycontento.com\/en\/wp-json\/wp\/v2\/product_cat?post=19621"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/aycontento.com\/en\/wp-json\/wp\/v2\/product_tag?post=19621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}