{"id":28366,"date":"2025-11-16T16:10:11","date_gmt":"2025-11-16T10:40:11","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=28366"},"modified":"2025-11-18T13:42:56","modified_gmt":"2025-11-18T08:12:56","slug":"tungsten","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/tungsten\/","title":{"rendered":"Tungsten"},"content":{"rendered":"<h2><b>Tungsten Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Recently, the Hindustan Zinc Ltd (HZL) has received the licence to explore and mine a tungsten block in Andhra Pradesh.\u00a0<\/span><\/p>\n<h2><b>About Tungsten<\/b><\/h2>\n<ul>\n<li><span style=\"font-weight: 400;\">It is a chemical element with the symbol W, and <\/span><b>atomic number 74.<\/b><\/li>\n<li><span style=\"font-weight: 400;\">It is a naturally occurring element and classified as a <\/span><b>transition metal.<\/b><\/li>\n<li><b>Major producers:<\/b> <b>China<\/b><span style=\"font-weight: 400;\"> (major global producer), Vietnam, Russia, and North Korea.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">It has been classified as a <\/span><b>Critical Mineral<\/b><span style=\"font-weight: 400;\"> by the <\/span><b>Government of India.<\/b><\/li>\n<\/ul>\n<h2><b>Occurrence of Tungsten<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It occurs in <\/span><b>rocks and minerals<\/b><span style=\"font-weight: 400;\"> combined with other chemicals, but never as a pure metal.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is found in <\/span><b>nature in mineral<\/b><span style=\"font-weight: 400;\"> forms <\/span><b>like wolframite and scheelite.<\/b><\/li>\n<\/ul>\n<h2><b>Properties of Tungsten<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It has the highest<\/span><b> melting point<\/b><span style=\"font-weight: 400;\"> of all metals at 3410 \u00b0C.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It has the lowest<\/span><b> vapor pressure<\/b><span style=\"font-weight: 400;\"> of all metals with 4.27 Pa at 3410 \u00b0C.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It has the highest<\/span><b> tensile strength<\/b><span style=\"font-weight: 400;\"> of all metals over 1650 \u00b0C.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tungsten is a solid at room temperature.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tungsten alloys tend to be strong and flexible, <\/span><b>resist wear<\/b><span style=\"font-weight: 400;\">, and conduct electricity well.<\/span><\/li>\n<\/ul>\n<h2><b>Uses of Tungsten<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tungsten is used in products such as x-ray tubes, light bulbs, high-speed tools, and welding electrodes.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is also <\/span><b>used as a catalyst<\/b><span style=\"font-weight: 400;\"> to speed up chemical reactions.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Tungsten carbide<\/b><span style=\"font-weight: 400;\"> is <\/span><b>immensely hard<\/b><span style=\"font-weight: 400;\"> and is very important to the <\/span><b>metal-working, mining and petroleum industries.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Other tungsten compounds are <\/span><b>used in ceramic pigments<\/b><span style=\"font-weight: 400;\">, as fire retardant coatings for fabrics, and as <\/span><b>color-resistant dyes for fabrics.<\/b><\/li>\n<\/ul>\n<p><b>Source: <\/b><strong><a href=\"https:\/\/www.thehindu.com\/business\/hindustan-zinc-gets-licence-to-explore-mine-tungsten-block-in-andhra-pradesh\/article70285363.ece\" target=\"_blank\" rel=\"nofollow noopener\">TH<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tungsten (W), a transition metal with atomic number 74, is a key natural element. Major producers include China and Vietnam, and India lists it as a critical mineral.<\/p>\n","protected":false},"author":5,"featured_media":73887,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[21,3767,22,23],"class_list":{"0":"post-28366","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-prelims-pointers","9":"tag-tungsten","10":"tag-upsc-current-affairs","11":"tag-upsc-prelims-current-affairs","12":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/28366","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=28366"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/28366\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/73887"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=28366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=28366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=28366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}