{"id":88961,"date":"2025-06-01T07:25:42","date_gmt":"2025-06-01T07:25:42","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=88961"},"modified":"2025-06-01T07:25:42","modified_gmt":"2025-06-01T07:25:42","slug":"which-one-of-the-following-metal-is-not-an-essential-component-in-stai","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-metal-is-not-an-essential-component-in-stai\/","title":{"rendered":"Which one of the following metal is NOT an essential component in stai"},"content":{"rendered":"

Which one of the following metal is NOT an essential component in stainless steel ?<\/p>\n

[amp_mcq option1=”Iron” option2=”Nickel” option3=”Chromium” option4=”Tin” correct=”option4″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC NDA-2 – 2023<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nD) Tin is NOT an essential component in stainless steel.
\n<\/section>\n
\n– Stainless steel is primarily an alloy based on Iron (Fe).
\n– The key element that provides its characteristic corrosion resistance (“stainless” property) is Chromium (Cr), which must be present in a minimum amount (typically 10.5% by mass). Chromium forms a passive, protective oxide layer on the surface.
\n– Nickel (Ni) is another common and essential alloying element in many widely used types of stainless steel, particularly austenitic stainless steels (like the 300 series, e.g., 304 and 316). Nickel enhances corrosion resistance, strength, and ductility.
\n<\/section>\n
\n– Iron, Chromium, and often Nickel are the primary essential metallic components of stainless steel. Other elements like Carbon (controlled for strength and ductility), Manganese, Silicon, Molybdenum (for increased corrosion resistance), etc., are also present, but Iron, Chromium, and Nickel are central to its structure and properties.
\n– Tin (Sn) is not typically used as an alloying element in stainless steel. It is used in other alloys (like bronze, pewter, solder) or as a coating (tin plating), but it is not considered an essential component of stainless steel formulations.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which one of the following metal is NOT an essential component in stainless steel ? [amp_mcq option1=”Iron” option2=”Nickel” option3=”Chromium” option4=”Tin” correct=”option4″] This question was previously asked in UPSC NDA-2 – 2023 Download PDFAttempt Online D) Tin is NOT an essential component in stainless steel. – Stainless steel is primarily an alloy based on Iron (Fe). … <\/p>\n

Detailed SolutionWhich one of the following metal is NOT an essential component in stai<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1094],"tags":[1105,1141,1096],"class_list":["post-88961","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-2","tag-1105","tag-alloys","tag-chemistry","no-featured-image-padding"],"yoast_head":"\nWhich one of the following metal is NOT an essential component in stai<\/title>\n<meta name=\"description\" content=\"D) Tin is NOT an essential component in stainless steel. - Stainless steel is primarily an alloy based on Iron (Fe). - The key element that provides its characteristic corrosion resistance ("stainless" property) is Chromium (Cr), which must be present in a minimum amount (typically 10.5% by mass). Chromium forms a passive, protective oxide layer on the surface. - Nickel (Ni) is another common and essential alloying element in many widely used types of stainless steel, particularly austenitic stainless steels (like the 300 series, e.g., 304 and 316). Nickel enhances corrosion resistance, strength, and ductility.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-metal-is-not-an-essential-component-in-stai\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which one of the following metal is NOT an essential component in stai\" \/>\n<meta property=\"og:description\" content=\"D) Tin is NOT an essential component in stainless steel. - Stainless steel is primarily an alloy based on Iron (Fe). - The key element that provides its characteristic corrosion resistance ("stainless" property) is Chromium (Cr), which must be present in a minimum amount (typically 10.5% by mass). Chromium forms a passive, protective oxide layer on the surface. - Nickel (Ni) is another common and essential alloying element in many widely used types of stainless steel, particularly austenitic stainless steels (like the 300 series, e.g., 304 and 316). 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