{"id":10131,"date":"2026-05-12T08:17:33","date_gmt":"2026-05-12T04:47:33","guid":{"rendered":"https:\/\/ama-co.com\/product\/10131\/"},"modified":"2026-09-21T09:45:36","modified_gmt":"2026-09-21T06:15:36","slug":"10131","status":"publish","type":"product","link":"https:\/\/ama-co.com\/en\/product\/10131\/","title":{"rendered":"AMA 512 BNM-O"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Application\/properties:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">AMA 512 BNM-O is a self shielded metal cored welding wire. The weld metal creates very high hardness and wear resistance in single layer deposit. Weld metal microstructure contains chromium carbo borides in addition molybdenum and niobium carbides. Also the weld metal is capable of maintaining hardness at high temperatures (Up to 700 \u00baC).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" dir=\"ltr\"><strong>Weld metal analysis<\/strong> <strong>:(Wt.%)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Typical single layer weld metal analysis on plain carbon steel<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\"><strong><strong><strong>C<\/strong><\/strong><\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong><strong><strong>Mn<\/strong><\/strong><\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong><strong><strong><strong><strong>Si<\/strong><\/strong><\/strong><\/strong><\/strong><\/th><th>Cr<\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong><strong>B<\/strong><\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong><strong><strong>Nb<\/strong><\/strong><\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong><strong><strong>Mo<\/strong><\/strong><\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong><strong><strong>&lt;3<\/strong><\/strong><\/strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong><strong><strong>0.7<\/strong><\/strong><\/strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong><strong><strong>0. 5<\/strong><\/strong><\/strong><\/strong><\/td><td><strong>10-12<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong><strong><strong>1.5-2.5<\/strong><\/strong><\/strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong><strong><strong>2-3<\/strong><\/strong><\/strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong><strong><strong>2-3<\/strong><\/strong><\/strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\"><strong>Mechanical properties:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Typical single layer weld metal hardness on plain carbon steel<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\"><strong><strong>Hardness<\/strong><\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>As welded<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong>HRC<\/strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong>67-70<\/strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Welding parameters:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\"><strong>Wire Diameter<\/strong> <br><strong>(mm)<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong><strong>Stick-out<\/strong><\/strong> <br><strong>(mm)<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>Voltage<\/strong><br><strong>(V)<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>Current<\/strong><br><strong>(A)<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong>1.60<\/strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong>30<\/strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong>24-26<\/strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong>250-300<\/strong><\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong>2.40<\/strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong>30<\/strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong>25-28<\/strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong>275-400<\/strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"113\" height=\"40\" src=\"https:\/\/ama-co.com\/wp-content\/uploads\/2026\/05\/image.png\" alt=\"\" class=\"wp-image-10123\" style=\"width:65px;height:auto\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\"><strong>Packing:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\"><strong>Wire Diameter<\/strong> <br><strong>(mm)<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>Weight<\/strong><br><strong>(Kg)<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong>1.60<\/strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong>15<\/strong><\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong>2.40<\/strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong>25<\/strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\">Note: other weight &amp; sizes are produced upon customer request.<\/p>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\"><strong>Field of use:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cement and steelmaking industries, conveyor screws, fans, wear plates.\r\n\r\n&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>a<\/p>\n","protected":false},"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"inline_featured_image":false},"product_brand":[],"product_cat":[122,220],"product_tag":[],"class_list":["post-10131","product","type-product","status-publish","product_cat-butt-welding-wire","product_cat-en-new-products","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/product\/10131","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/comments?post=10131"}],"wp:attachment":[{"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/media?parent=10131"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/product_brand?post=10131"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/product_cat?post=10131"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ama-co.com\/en\/wp-json\/wp\/v2\/product_tag?post=10131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}