{"id":6633,"productCode":"FOCR7575003N5","chemicalCode":"Cr","name":"Chromium metal","customName":null,"otherNames":"","formula":"Cr","purity":99.95,"form":"FO","size":"75 mm x 75 mm x 0.5 mm","composition":"","description":"","productionMethod":"vac. melted","bulkAvailable":null,"productionStatus":"CO","hazmat":null,"status":null,"repackage":false,"priceBase":"320.00","quantityBase":"pcs","bulkAvailability":false,"inProduction":"","factoryCode":"131","publicComments":"/rolled","privateComments":"Lot No.: 131-030725\r\nQty: 1 pcs\r\nBuying price: $140/pc\r\nSelling Price: $260 with 3% discount as $252.20 for RNDK-PO#PO250217RSK.\r\n","chemicalCodeLetters":null,"image":null,"sizeData":"{\"formSize\":\"50\",\"size_form\":[{\"input_value\":\"75\"},{\"select\":{\"value\":\"mm\",\"options\":[{\"value\":\"mm\",\"text\":\"mm\"},{\"value\":\"inch\",\"text\":\"inch\"}]}},{\"text\":\"x\"},{\"input_value\":\"75\"},{\"select\":{\"value\":\"mm\",\"options\":[{\"value\":\"mm\",\"text\":\"mm\"},{\"value\":\"inch\",\"text\":\"inch\"}]}},{\"text\":\"x\"},{\"input_value\":\"0.5\"},{\"select\":{\"value\":\"mm\",\"options\":[{\"value\":\"mm\",\"text\":\"mm\"},{\"value\":\"inch\",\"text\":\"inch\"}]}}]}","isLocked":false,"isSearchable":true,"storedLocation":null,"chemicalId":272,"old_chem_id":null,"createdAt":"2025-03-10T16:26:57.000Z","updatedAt":"2025-03-10T16:26:57.000Z","deleted":false,"deletedAt":null,"userChangedById":null,"hts":null,"Chemical":{"id":272,"formula":"Cr","productLetters":"CR","name":"Chromium","otherNames":"Chromium metal","cas":"7440-47-3","einecs":"231-157-5","hazmat":"Powder: Class 4.1, UN3089, PG III","data":"","applications":[{"title":"Sputtering","description":"Chromium sputtering targets are used to create thin films for decorative coatings, hard wear-resistant layers, and as adhesion layers in microelectronics."},{"title":"Alloying","description":"Chromium is a primary alloying element in stainless steel and superalloys to provide corrosion resistance and high-temperature strength."},{"title":"Optical coating","description":"Chromium is utilized in optical coatings to create reflective surfaces and as a masking material in photolithography."},{"title":"Evaporation materials","description":"High-purity chromium pellets and pieces are used as evaporation materials for physical vapor deposition to form thin metallic films."},{"title":"Thermal spray powder","description":"Chromium and chromium carbide powders are used in thermal spray processes to provide surface protection against wear, erosion, and high-temperature oxidation."}],"publicComments":"<p style=\"text-align:justify;\"><span class=\"text-small\" style=\"color:#4d4d4d;\">Chromium is widely used in optical coating materials as an absorbing and masking metal for visible and infrared optical components.</span><a href=\"#1\"><span class=\"text-tiny\" style=\"color:#999999;\"><sup>1</sup></span></a><span class=\"text-tiny\" style=\"color:#999999;\"><sup>,</sup></span><a href=\"#2\"><span class=\"text-tiny\" style=\"color:#999999;\"><sup>2</sup></span></a><span class=\"text-small\" style=\"color:#4d4d4d;\"> In evaporation and sputter deposition, chromium serves as a stable thin-film material and as an adhesion promoting layer in multilayer optical stacks.</span><span class=\"text-tiny\" style=\"color:#999999;\"><sup>2,</sup></span><a href=\"#3\"><span class=\"text-tiny\" style=\"color:#999999;\"><sup>3</sup></span></a><span class=\"text-small\" style=\"color:#4d4d4d;\"> As a refractory metal, chromium exhibits its high thermal stability and oxidation resistance, supporting its use in high temperature coatings and chromium containing compound systems.</span><a href=\"#4\"><span class=\"text-small\" style=\"color:#999999;\"><sup>4</sup></span></a><span class=\"text-small\" style=\"color:#4d4d4d;\"> It is also used in advanced manufacturing, primarily as an alloying or coating element in additive manufacturing to enhance wear resistance and surface performance.</span><a href=\"#5\"><span class=\"text-tiny\" style=\"color:#999999;\"><sup>5</sup></span></a></p>","privateComments":"\"Low purity\" 4N is in batch HIP runs.\r\n\"High purity\" 4N powder is specially procured and hot pressed for single items.","specialNotes":"","specialNotesProduct":false,"sds":"public/sds/Cr.pdf","smiles":"","inchi":"","inchiKey":"","molecularWeight":"","iupac":"","eccn":"","hts":"","atomicNumber":24,"atomicWeight":"51.9961 u","meltingPoint":"1907 °C","boilingPoint":"2671 °C","density":"7.19 g/cm³","crystalStructure":"Body-centered cubic","colorAppearance":"Silvery-gray, metallic","thermalConductivity":"93.9 W/(m·K)","electricalResistivity":"12.5 µΩ·cm","coefficientOfExpansion":"4.9 µm/(m·K)","electronegativity":"1.66","neutronCrossSection":"3.1 barns","electronConfiguration":"[Ar] 3d5 4s1","createdAt":"2023-08-14T15:23:19.000Z","updatedAt":"2026-04-28T20:56:55.961Z","deleted":false,"deletedAt":null,"userChangedById":1,"customContent":"","displayFormula":"","bottomText":"<p><span class=\"text-tiny\" style=\"color:#999999;\">References:</span></p><ol class=\"text-tiny\"><li style=\"margin-bottom:0;margin-top:0;vertical-align:middle;\" value=\"1\"><p id=\"1\"><span class=\"text-tiny\" style=\"color:#999999;\"><span style=\"font-family:Calibri;font-size:10.0pt;font-style:normal;font-weight:normal;\">Macleod, H. A.,&nbsp;</span><i><span style=\"font-family:Calibri;font-size:10.0pt;font-weight:normal;\">Thin-Film Optical Filters</span></i><span style=\"font-family:Calibri;font-size:10.0pt;font-style:normal;font-weight:normal;\">, 4th ed., CRC Press, 2010.&nbsp;</span></span></p></li><li style=\"margin-bottom:0;margin-top:0;vertical-align:middle;\"><p id=\"2\"><span class=\"text-tiny\" style=\"color:#999999;\"><span style=\"font-family:Calibri;font-size:10.0pt;\">Pulker, H. K.,&nbsp;</span><i><span style=\"font-family:Calibri;font-size:10.0pt;\">Coatings on Glass</span></i><span style=\"font-family:Calibri;font-size:10.0pt;\">, Elsevier, 1999.</span></span></p></li><li style=\"margin-bottom:0;margin-top:0;vertical-align:middle;\"><p id=\"3\"><span class=\"text-tiny\" style=\"color:#999999;\"><span style=\"font-family:Calibri;font-size:10.0pt;\">Ohring, M.,&nbsp;</span><i><span style=\"font-family:Calibri;font-size:10.0pt;\">Materials Science of Thin Films</span></i><span style=\"font-family:Calibri;font-size:10.0pt;\">, 2nd ed., Academic Press, 2002.</span></span></p></li><li style=\"margin-bottom:0;margin-top:0;vertical-align:middle;\"><p id=\"4\"><span class=\"text-tiny\" style=\"color:#999999;\"><span style=\"font-family:Calibri;font-size:10.0pt;\">ASM Handbook, Vol. 2:&nbsp;</span><i><span style=\"font-family:Calibri;font-size:10.0pt;\">Properties and Selection: Nonferrous Alloys and Special-Purpose Materials</span></i><span style=\"font-family:Calibri;font-size:10.0pt;\">, ASM International.&nbsp;</span></span></p></li><li style=\"margin-bottom:0;margin-top:0;vertical-align:middle;\"><p id=\"5\"><span class=\"text-tiny\" style=\"color:#999999;\"><span style=\"font-family:Calibri;font-size:10.0pt;\"><strong>DebRoy, T. et al.</strong>, “Additive manufacturing of metallic components – Process, structure and properties,” </span><i><span style=\"font-family:Calibri;font-size:10.0pt;\">Progress in Materials Science</span></i><span style=\"font-family:Calibri;font-size:10.0pt;\">,&nbsp;<strong>92</strong> (2018) 112–224.&nbsp;</span></span><br><span class=\"text-tiny\">&nbsp;</span></p></li></ol>","isAiData":true,"isHazmatAsPowder":false,"hazmatAsPowder":"","tags":[{"id":17,"name":"Infrared Optical Materials","link":"optics_ir_chemical","type":"chemical"},{"id":40,"name":"MBE","link":"mbe_product","type":"chemical"},{"id":308,"name":"3D Printing","link":"3d_printing_chemical","type":"chemical"},{"id":419,"name":"Refractory Metals and Compounds","link":"refractory_chemicals","type":"chemical"},{"id":420,"name":"Evaporation Deposition Materials ","link":"evaporationdepositionmaterials_chemicals","type":"chemical"},{"id":421,"name":"Optical Coating Materials","link":"opticalcoatingmaterials_chemicals","type":"chemical"}]},"userChangedBy":null,"ProductPrice":[{"id":226914,"productId":6633,"price":320,"quantity":1,"um":"pc","locked":false,"isShow":false,"createdAt":"2025-03-10T16:27:27.000Z","updatedAt":"2025-03-10T16:27:27.000Z","bulkAvailable":null,"bulkAvailability":false,"packaging":null,"customerId":null,"type":"default","version":1,"quoteId":null},{"id":226915,"productId":6633,"price":1392,"quantity":5,"um":"pcs","locked":false,"isShow":true,"createdAt":"2025-03-10T16:27:27.000Z","updatedAt":"2025-03-10T16:27:27.000Z","bulkAvailable":null,"bulkAvailability":false,"packaging":null,"customerId":null,"type":"default","version":1,"quoteId":null},{"id":226916,"productId":6633,"price":1968,"quantity":10,"um":"pcs","locked":false,"isShow":true,"createdAt":"2025-03-10T16:27:27.000Z","updatedAt":"2025-03-10T16:27:27.000Z","bulkAvailable":null,"bulkAvailability":false,"packaging":null,"customerId":null,"type":"default","version":1,"quoteId":null}],"Vendor":[],"tags":[{"id":11,"link":"foil_product","name":"Foil","description":"","text":null,"image":null,"icon":null,"type":"product","toShowOnMainPage":false,"showImageAndDescription":true,"createdAt":"2024-08-12T22:58:50.192Z","updatedAt":"2025-03-21T19:08:28.627Z","deletedAt":"2025-03-21T19:08:28.627Z","userChangedById":null}],"favorites":[],"attachments":[{"id":493,"storage":"public/product_attachments/Cr Foil (131-030725) (1).jpg_a520c4/Cr Foil (131-030725) (1).jpg","title":"Cr Foil (131-030725) (1)","uploaderType":"user","isShared":false,"link":"","type":"product_sem","subType":null,"description":"","public":false,"userId":null,"customerId":null,"vendorId":null,"quoteId":null,"ltsOrderId":null,"vendorChemicalId":null,"isAccessed":false,"lotNumber":"131-030725","oldWebsiteQuoteId":null,"deleted":false,"createdAt":"2025-09-08T19:43:03.821Z","updatedAt":"2025-09-08T19:51:38.755Z","orderId":null,"productId":6633,"chemicalId":null,"userChangedById":16,"rmaId":null}]}