{"id":20025,"date":"2020-07-13T02:01:19","date_gmt":"2020-07-13T02:01:19","guid":{"rendered":"https:\/\/www.aixihardware.com\/classification-of-steel-iron-materials\/"},"modified":"2020-07-13T02:01:19","modified_gmt":"2020-07-13T02:01:19","slug":"classification-of-steel-iron-materials","status":"publish","type":"post","link":"https:\/\/www.aixihardware.com\/es\/classification-of-steel-iron-materials\/","title":{"rendered":"Classification of steel Iron materials"},"content":{"rendered":"<p><strong>1 Carbon structural steel:<\/strong><br \/>\nQ195-Q195F, Q195b, Q195, Q215-Q215AF, Q215Ab, Q215A, Q215BF, Q215Bb, Q215B, Q235-Q235AF, Q235Ab, Q235A, Q235BF, Q235Bb, Q235B, Q235C, Q235D, Q255-Q255A, Q255B, Q275-Q275<\/p>\n<p><strong>2 Low alloy high strength structural steel:<\/strong><br \/>\nComposition of general low alloy high strength structural steel grades<br \/>\nQ295-Q295A, Q295B, Q345-Q345A, Q345B, Q345C, Q345D, Q345E, Q390-Q390A, Q390B, Q390C, Q390D, Q390E, Q420-Q420A, Q420B, Q420C, Q420D, Q420E, Q460-Q460C, Q460D, Q460E<br \/>\nSpecial low alloy high strength structural steel<br \/>\nSpecial low-alloy high-strength structural steel generally uses the pinyin letter \u00abQ\u00bb representing the yield point, the yield point value (in MPa), and the first letter of the pinyin according to the purpose of the product is added at the end. For example, the steel grade of pressure vessel is expressed as \u00abQ345R\u00bb; the steel grade of welded gas cylinder is expressed as \u00abQ295HP\u00bb, the steel grade of boiler is expressed as \u00abQ390g\u00bb; the steel grade of bridge is expressed as \u00abQ420q\u00bb, etc.<\/p>\n<p><strong>3 High-quality carbon structural steel:<\/strong><br \/>\n08F, 10F, 15F, 08, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 15Mn, 20Mn, 25Mn, 30Mn, 35Mn, 40Mn, 45Mn, 50Mn, 60Mn, 65Mn, 70Mn<\/p>\n<p><strong>4 Free-cutting structural steel:<\/strong><br \/>\nY12, Y12Pb, Y15, Y15Pb, Y20, Y30, Y35, Y40Mn, Y45Ca<\/p>\n<p><strong>5 Alloy structural steel:<\/strong><br \/>\n20Mn2, 30Mn2, 35M2, 40Mn2, 45Mn2, 50Mn2, 20MnV, 27MnSi, 35MnSi, 42MnSi, 20SiMn, 25SiMn2MoV, 37SiMn2Mov, 40B, 45B, 50B, 40MnB, 45MnB, 20MnnMoB, 15MnVb, 20MnVB, 40MnVb, 20MnVB, 40MnVb, 15CrA, 20Cr, 30Cr, 35Cr, 40Cr, 45Cr, 50Cr, 38CrSi, 12CrMo, 15CrMo, 20CrMo, 30CrMo, 30CrMoA, 35CrMo,<br \/>\n42CrMo, 12CrMo, 35CrMoV, 12Cr1MoV, 25Cr2MoVA, 25Cr2Mo1VA, 38CrMoAl, 40CrV, 50CrVA, 15CrMn, 20CrMn, 40CrMn, 20CrMnSi, 25CrMnSi, 30CrMnSi, 35CrMnSiA, 20CrMnMo, 40CrMnMo, 20CrMnTi, 40CrMn, 40CrMn 12CrNi3, 20CrNi3, 30CrNi3, 37CrNi3, 12Cr2Ni4, 20Cr2Ni4, 20CrNiMo, 40CrNiMoA,<br \/>\n18CrNiMnMoA, 45CrNiMoVA, 18Cr2Ni4WA, 25Cr2Ni4WA<\/p>\n<p><strong>6 Spring steel:<\/strong><br \/>\n65, 70, 85, 65Mn, 55Si2Mn, 55Si2MnB, 55SiMnVB, 60Si2Mn, 60Si2Mn, 60Si2MnA, 60Su2CrA, 60Si2CrVA, 60CrMnA, 60CrMnMoA, 50CrVA, 60CrMnBA, 30W4Cr2VA.<\/p>\n<p><strong>7 Ensure the hardenability of structural steel:<\/strong><br \/>\n45H, 20CrH, 40CrH, 45CrH, 40MnBH, 45MnBH, 20MnMoBH, 20MnVBH, 22MnVBH, 20MnTiBH, 20CrMnMoH, 20CrMnTiH, 20CrNi3H, 12Cr2Ni4H, 20CrNiMoH.<\/p>\n<p><strong>8 Weathering steel for welding structure:<\/strong><br \/>\n16CuCr, 12MnCuCr, 15MnCuCr, 15MnCuCr-QT<\/p>\n<p><strong>9 High weather resistance structural steel:<\/strong><br \/>\n09CrPCrNi-A, 09CuPCrNi-B, 09CuP<\/p>\n<p><strong>10 Rolling bearing steel:<\/strong><br \/>\nGCr6, GCr9, GCr9SiMn, GCr15, GCr15SiMn.<\/p>\n<p><strong>11 Chrome-free bearing steel:<\/strong><br \/>\nGSiMnV, GSiMnVXT, GSiMnMoV, GSiMnVXT, GMnMov, GMnMoVXT<\/p>\n<p><strong>12 Carburized bearing steel:<\/strong><br \/>\nG20CrMo, G20CrNiMo, G20CrNi2Mo, G20Cr2Ni4, G10CrNi3Mo, G20Cr2Mn2Mo<\/p>\n<p><strong>13 Carbon tool steel:<\/strong><br \/>\nT7, T8, T8Mn, T9, T10, T11, T12, T13<\/p>\n<p><strong>14 Alloy tool steel<\/strong><\/p>\n<p><strong>15 High-speed tool steel<\/strong><\/p>\n<p><strong>16 stainless steel<\/strong><\/p>\n<p><strong>17 Heat-resistant steel<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1 Carbon structural steel: Q195-Q195F, Q195b, Q195, Q215-Q215AF, Q215Ab, Q215A, Q215BF, Q215Bb, Q215B, Q235-Q235AF, Q235Ab, Q235A, Q235BF, Q235Bb, Q235B, Q235C, Q235D, Q255-Q255A, Q255B, Q275-Q275 2 Low alloy high strength structural steel: Composition of general low alloy high strength structural steel grades Q295-Q295A, Q295B, Q345-Q345A, Q345B, Q345C, Q345D, Q345E, Q390-Q390A, Q390B, Q390C, Q390D, Q390E, Q420-Q420A, Q420B,&#8230;<\/p>\n","protected":false},"author":3,"featured_media":20026,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[219],"tags":[],"class_list":["post-20025","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-conocimiento-de-los-materiales"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - 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