{"title":"Carbon steel","description":"\u003cp\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003ca title=\"Get some information about knife steel\" style=\"color: #0000ff;\" href=\"https:\/\/storbua.no\/pages\/generelt-om-knivstal\"\u003eLearn a little about knife steel\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"1095-karbonstal-hamon-stal","title":"1095 Carbon steel","description":"\u003cp\u003e 1095 steel is a widely used knife steel. Also called C100s, it is a carbon steel that can be used in solid steel blades, as edge steel in laminated knife blades or in damask. The steel is therefore well suited for both stock removal and forging.\u003cbr\u003e\u003c\/p\u003e\n\n \u003cp\u003eBy differential hardening you will be able to give the knife an unparalleled hamon, see example image!\u003c\/p\u003e\n\n\u003cp\u003e Composition: \u003c\/p\u003e\n\n\u003cp\u003e\u003cimg data-mce-fragment=\"1\" alt=\"Contents 1095\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2148\/6651\/files\/Innhold_1095_480x480.png?v=1641651005\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2148\/6651\/files\/Innhold_1095_480x480.png?v=1641651005\"\u003e\u003c\/p\u003e\n\n\u003cp\u003e In demand and famous worldwide, 1095 is known to most knife makers and is a steel everyone should try.\u003c\/p\u003e\n\n\u003cp\u003e Austenitizing temperature (hardening temperature): 800-830 C\u003c\/p\u003e\n\n\u003cp\u003e Example of curing procedure:\u003c\/p\u003e\n\n\u003col\u003e\n\n\u003cli\u003e Heat up to critical temperature (non-magnetic) of around 800 C.\u003c\/li\u003e\n\n\u003cli\u003e Cool in water, brackish water or oil. The temperature should go from 800 to below 540 in less than 5 seconds to prevent pearlite formation.\u003c\/li\u003e\n\n\u003cli\u003e 200C for 2 hours, then cool in air to room temperature\u003c\/li\u003e\n\n\u003cli\u003e 200C for another 2 hours.\u003c\/li\u003e\n\n\n\u003c\/ol\u003e\n\n\u003cp\u003e We always recommend trying out the hardening process when using a new steel.\u003c\/p\u003e\n\n \u003cp\u003eThe term Sort means Sorting which indicates how flat the piece of steel is. For example, 1st sorting has a bend of less than 1mm per meter, and is therefore practically flat. If you need something flatter than 1st sorting, you must buy flat-ground steel, such as our \u003ca title=\"O1 tool steel\" href=\"https:\/\/storbua.no\/products\/o1-tool-steel\"\u003eO1 tool steel\u003c\/a\u003e or some of our hot rolled steel. Contact us for assistance.\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003e2nd grade has from 1mm up to 4mm bend and 3rd grade has 4mm or more. In other words, 1st grade is the flattest pieces of that type, and 3rd grade is the one with the most bend. The bend comes from the steel being stored on large rolls before being unrolled and cut into smaller pieces, some bend can also come from when the steel is cut.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e Contact us if you have any questions!\u003cbr\u003e\u003c\/p\u003e","brand":"GFS Knife Supply","offers":[{"title":"3.0x50x600mm","offer_id":46900557349117,"sku":"1095-3.0x50x600","price":244.0,"currency_code":"NOK","in_stock":false},{"title":"3.2x30x350mm (flat)","offer_id":45590879404285,"sku":"1095-3.2x30x350","price":135.0,"currency_code":"NOK","in_stock":true},{"title":"3.2x40x350mm (flat)","offer_id":45590877044989,"sku":"1095-3.2x40x350","price":146.0,"currency_code":"NOK","in_stock":true},{"title":"3.2x50x400 (flat)","offer_id":44238186053885,"sku":"1095-3x50x400","price":219.0,"currency_code":"NOK","in_stock":true},{"title":"3.5x40x500mm (2nd sorting)","offer_id":42665967583485,"sku":"1095-3.5x40x500-S2","price":199.0,"currency_code":"NOK","in_stock":true},{"title":"3.5x40x500mm (3rd sorting)","offer_id":42665970598141,"sku":"1095-3.5x40x500-S3","price":169.0,"currency_code":"NOK","in_stock":true},{"title":"3.5x50x270mm (slight bend)","offer_id":46198610919677,"sku":"1095-3.2x30x350","price":135.0,"currency_code":"NOK","in_stock":true},{"title":"3.5x50x500mm (3. Black)","offer_id":37803178328239,"sku":"1095-3.5x50x500-S3","price":173.0,"currency_code":"NOK","in_stock":true},{"title":"3.5x150x500mm (2nd sorting)","offer_id":42662229508349,"sku":"1095-3.5x150x500-S2","price":919.0,"currency_code":"NOK","in_stock":true},{"title":"3.5x150x500mm (3rd sorting)","offer_id":42664872542461,"sku":"1095-3.5x150x500-S3","price":599.0,"currency_code":"NOK","in_stock":true},{"title":"3.5x150x600mm","offer_id":46900632649981,"sku":"1095-3.5x150x600","price":709.0,"currency_code":"NOK","in_stock":true},{"title":"5.0x150x600mm","offer_id":46900640186621,"sku":"1095-5x150x600","price":1115.0,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2148\/6651\/files\/Uten_tittel_-_31._juli_2026_kl._12.21.51.png?v=1785493535"},{"product_id":"o1-tool-steel","title":"O1 Flat ground Tool steel","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eO1 is a classic oil-hardening tool steel that is popular among knifemakers due to its combination of wear resistance, good edge stability, and relatively simple heat treatment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe steel is supplied precision-ground with flat and even surfaces. This reduces the need for surface grinding and saves a lot of time during processing. This makes the material particularly well-suited for stock removal, where the knife blade is sawn or ground directly out of the steel plate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eO1 can be used for everything from smaller utility knives and kitchen knives to hunting knives, wood carving tools, and other products that require a hard and durable edge. The many available dimensions make it easy to find the right thickness and width for your project.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith proper hardening and tempering, you get a knife blade that retains its sharpness well while being relatively easy to resharpen. Like other carbon steels, O1 must be wiped dry and maintained after use to reduce the risk of rust.\u003c\/span\u003e\u003c\/p\u003e","brand":"Sheffield","offers":[{"title":"0.8x50x455mm (1\/32x2x18\")","offer_id":33262593704071,"sku":"O1SG-1\/32x2","price":356.0,"currency_code":"NOK","in_stock":true},{"title":"0.8x125x455 (1\/32x5x18\")","offer_id":33349569511559,"sku":"O1SG0.8x125x455","price":619.0,"currency_code":"NOK","in_stock":true},{"title":"1.6x50x455mm (1\/16x2x18\")","offer_id":33262612709511,"sku":"O1SG-1\/16x2","price":272.0,"currency_code":"NOK","in_stock":false},{"title":"1.6x150x455mm (1\/16x6x18\")","offer_id":33262602092679,"sku":"O1SG-1\/16x6","price":723.0,"currency_code":"NOK","in_stock":true},{"title":"2.3x150x455mm (3\/32x6x18”)","offer_id":8036209229871,"sku":"O1SG-3\/32x6","price":765.0,"currency_code":"NOK","in_stock":true},{"title":"3x50x455mm (1\/8x2x18”)","offer_id":530168119300,"sku":"O1SG-1\/8x2","price":469.0,"currency_code":"NOK","in_stock":true},{"title":"3x150x455mm (1\/8x6x18”)","offer_id":8036209262639,"sku":"O1SG-1\/2x6","price":1364.0,"currency_code":"NOK","in_stock":true},{"title":"4x50x455mm (5\/32x2x18\")","offer_id":33262575419527,"sku":"O1SG-5\/32x2","price":629.0,"currency_code":"NOK","in_stock":true},{"title":"4x150x455mm (5\/32x6x18\")","offer_id":33262566277255,"sku":"O1SG-5\/32x6","price":1469.0,"currency_code":"NOK","in_stock":true},{"title":"4.7x50x455mm (3\/16x2x18”)","offer_id":8036209164335,"sku":"O1SG-3\/16x2","price":679.0,"currency_code":"NOK","in_stock":true},{"title":"4.7x150x455mm (3\/16x6x18”)","offer_id":8036209131567,"sku":"O1SG-3\/16x6","price":1574.0,"currency_code":"NOK","in_stock":true},{"title":"6.3x50x455mm (1\/4x2x18”)","offer_id":8036209098799,"sku":"O1SG-1\/4x2","price":765.0,"currency_code":"NOK","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2148\/6651\/products\/tFLATBAR17.JPG?v=1720621299"},{"product_id":"15n20-til-damask","title":"15N20 Carbon steel","description":"\u003cp\u003e A steel that is very suitable on its own, and which hardens easily, but which is widely used in pattern welding\/damask steel and lamination of knife blades due to its nickel content, which makes it appear like the light lines in damask.\u003c\/p\u003e\n\n \u003cp\u003eIt is often combined with 1095, 1080 or 1075 steel, but 15n20 is a knife steel that is very suitable for use alone too!\u003c\/p\u003e\n\n\u003cp\u003e Damascus steel: The nickel content makes the steel resistant to acid and appear bright\/shiny, while for example 1095 becomes dark.\u003c\/p\u003e","brand":"Bångbro","offers":[{"title":"3x30x350mm","offer_id":11494752026671,"sku":"15n20-3-30-350","price":135.0,"currency_code":"NOK","in_stock":true},{"title":"3x40x350mm","offer_id":45590865707261,"sku":"15n20-3-40-340","price":169.0,"currency_code":"NOK","in_stock":true},{"title":"3x50x500mm","offer_id":43392514556157,"sku":"15n20-3-50-500","price":305.0,"currency_code":"NOK","in_stock":false},{"title":"3x350x500mm","offer_id":11703367467055,"sku":"15n20-3-350-500","price":1049.0,"currency_code":"NOK","in_stock":true},{"title":"3x330x1000mm","offer_id":46860170526973,"sku":"15n20-3-330-1000","price":2099.0,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2148\/6651\/products\/imagejpg_78073384-88bf-41ad-80f6-f459d67c6e5a_1024x1024_2x-removebg-preview.png?v=1720625118"},{"product_id":"100cr6-2-3mm","title":"52100 (100Cr6)","description":"\u003cp\u003e 52100, also known as 100cr6, is a solid chromium alloy steel widely used in ball bearings. The steel forms fine carbides that contribute to high egg stability, resistance to chipping and rolling of the egg. 52100 is perfect for kitchen knives and hunting knives, but can also be used as an egg steel in laminated blades.\u003c\/p\u003e","brand":"Bångbro","offers":[{"title":"3.5x50x1000mm","offer_id":7641876758575,"sku":"52100-3.5x50x1000","price":249.0,"currency_code":"NOK","in_stock":false},{"title":"3x275x1000mm","offer_id":42232140759293,"sku":"52100-3x275x1000","price":944.0,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2148\/6651\/products\/tPLATE11.JPG?v=1720625129"},{"product_id":"1075","title":"1075 (C75S)","description":"\u003ch6\u003e\u003cbr\u003e\u003c\/h6\u003e\n\u003ch6\u003eThe Good Old Classic\u003c\/h6\u003e\n\u003cp\u003eWith 1075, it is hard to go wrong. It hardens easily, is inexpensive, is tough, and is often used in damascus and laminated blades. With its relatively simple composition, 1075 also has the advantage of easy edge maintenance. 1075 does the job without hesitation and is a good working steel that is also well-suited for beginners in the knifemaking trade.\u003c\/p\u003e\n\u003cp\u003eNote: Some of the variants have a note stating that they are slightly bowed, meaning they have acquired a slight curve after being cut from a larger sheet. This is completely normal, but we try to deliver as flat blanks as possible, which is why we mark those variants that have a curve. For example, there may be a 3mm curve over a length of half a meter.\u003c\/p\u003e\n\u003ctable class=\"wikitable\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003cth style=\"text-align: center;\"\u003e\u003cspan\u003e\u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Carbon\" title=\"Carbon\" target=\"_blank\"\u003eCarbon\u003c\/a\u003e\u003c\/span\u003e\u003c\/th\u003e\n\n\u003cth style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Silicon\" target=\"_blank\"\u003e\u003cspan\u003eSilicon\u003c\/span\u003e\u003c\/a\u003e\u003c\/th\u003e\n\n\u003cth style=\"text-align: center;\"\u003e\u003cspan\u003e\u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Manganese\" target=\"_blank\"\u003eManganese\u003c\/a\u003e\u003c\/span\u003e\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan\u003e0.75%\u003c\/span\u003e\u003c\/td\u003e\n\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan\u003e0.33%\u003c\/span\u003e\u003c\/td\u003e\n\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan\u003e0.75%\u003c\/span\u003e\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\u003cp\u003eAustenitizing temp: 830-860C (1530-1580F)\u003c\/p\u003e\n\u003cp\u003eQuenching: Oil, for example Rapeseed oil or Quench 50\u003c\/p\u003e\n\u003cp\u003eTempering:\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2148\/6651\/files\/42235151-6E71-4F28-B31A-5E5B1698B260_large.jpeg?v=1537253812\" alt=\"1075 tempering chart anløping graf\"\u003e \u003c\/p\u003e\n\u003cp\u003eContact us with any questions!\u003c\/p\u003e","brand":"BESTAR","offers":[{"title":"2x50x400 (75Cr1)","offer_id":10361042993199,"sku":"75Cr1-2-50-400","price":149.0,"currency_code":"NOK","in_stock":false},{"title":"2x200x400 (75Cr1)","offer_id":10361045221423,"sku":"75Cr1-2-200-400","price":436.0,"currency_code":"NOK","in_stock":false},{"title":"3x50x250","offer_id":37593149538479,"sku":"1075-3-50-250","price":104.0,"currency_code":"NOK","in_stock":true},{"title":"3x50x500","offer_id":9417637658671,"sku":"1075-3-50-500","price":209.0,"currency_code":"NOK","in_stock":true},{"title":"3x50x500 6-pack","offer_id":9469907566639,"sku":"1075-6PACK","price":944.0,"currency_code":"NOK","in_stock":true},{"title":"3x150x600","offer_id":46900414349565,"sku":"1075-3-150-600","price":579.0,"currency_code":"NOK","in_stock":true},{"title":"3x350x1000","offer_id":45687163126013,"sku":"1075-3-350-1000","price":2099.0,"currency_code":"NOK","in_stock":true},{"title":"4x150x600","offer_id":46900494500093,"sku":"1075-4-150-600","price":772.0,"currency_code":"NOK","in_stock":true},{"title":"5x50x600 (slightly curved)","offer_id":9071995650095,"sku":"1075-5-50-600","price":209.0,"currency_code":"NOK","in_stock":true},{"title":"5x200x400 (slightly curved)","offer_id":9071995682863,"sku":"1075-5-200-400","price":419.0,"currency_code":"NOK","in_stock":true},{"title":"5x200x400 (75Cr1)","offer_id":10361050857519,"sku":"75Cr1-5-200-400","price":709.0,"currency_code":"NOK","in_stock":true},{"title":"6x50x395 (slightly curved)","offer_id":9071995715631,"sku":"1075-6-50-395","price":209.0,"currency_code":"NOK","in_stock":true},{"title":"6x50x590 (slightly curved)","offer_id":9072054272047,"sku":"1075-6-50-590","price":282.0,"currency_code":"NOK","in_stock":true},{"title":"6x250x500","offer_id":9072058368047,"sku":"1075-6-250-500","price":879.0,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2148\/6651\/products\/tFLATBAR10.JPG?v=1720626828"},{"product_id":"80crv2","title":"80CRV2 Tool steel (1080+)","description":"\u003cp data-mce-fragment=\"1\"\u003eOne of the world's most recommended knife steels, suitable for everything from small pocket knives to large swords, this is one of the toughest steels we know that is suitable for simple hardening. If you can't harden the steel, see our \u003ca title=\"knife steel that does not require hardening\" href=\"https:\/\/storbua.no\/products\/ferdig-herdet-knivstal-til-a-lage-kniv-80crv2\"\u003epre-hardened knife steel\u003c\/a\u003e 80crv2. (Perfect for just grinding the steel to a finished blade, so-called stock removal)\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e The steel is well suited for forging but also stock removal\/grinding as the alloy gives a less brittle result compared to e.g. O1 carbon steel. This steel can withstand a punch!\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e 80crv2 is a steel used by knife makers all over the world when they want something that is sharp and strong. The Winkler Belt Knife is a knife that is made for tough use in demanding conditions, and of course 80crv2 is used in this one. \u003c\/p\u003e\n\n\u003cdiv data-mce-fragment=\"1\" class=\"rte__table-wrapper\"\u003e\n\n\u003ctable data-mce-fragment=\"1\" class=\"wikitable\"\u003e\n\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\n\u003ctr data-mce-fragment=\"1\"\u003e\n\n \u003cth data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003ca data-mce-fragment=\"1\" title=\"Carbon\" href=\"https:\/\/en.wikipedia.org\/wiki\/Carbon\" target=\"_blank\" data-mce-href=\"https:\/\/en.wikipedia.org\/wiki\/Carbon\"\u003eCarbon\u003c\/a\u003e\u003c\/span\u003e\u003c\/th\u003e\n\n\u003cth data-mce-fragment=\"1\"\u003e \u003ca data-mce-fragment=\"1\" href=\"https:\/\/en.wikipedia.org\/wiki\/Silicon\" target=\"_blank\" data-mce-href=\"https:\/\/en.wikipedia.org\/wiki\/Silicon\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSilicon\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/th\u003e\n\n\u003cth data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e\u003ca data-mce-fragment=\"1\" title=\"Vanadium\" href=\"https:\/\/en.wikipedia.org\/wiki\/Vanadium\" target=\"_blank\" data-mce-href=\"https:\/\/en.wikipedia.org\/wiki\/Vanadium\"\u003eVanadium\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/th\u003e\n\n\u003cth data-mce-fragment=\"1\"\u003e \u003ca data-mce-fragment=\"1\" href=\"https:\/\/en.wikipedia.org\/wiki\/Manganese\" target=\"_blank\" data-mce-href=\"https:\/\/en.wikipedia.org\/wiki\/Manganese\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eManganese\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/th\u003e\n\n\u003cth data-mce-fragment=\"1\"\u003e \u003ca data-mce-fragment=\"1\" href=\"https:\/\/en.wikipedia.org\/wiki\/Chromium\" target=\"_blank\" data-mce-href=\"https:\/\/en.wikipedia.org\/wiki\/Chromium\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eChrome\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-mce-fragment=\"1\"\u003e\n\n\u003ctd data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e0.8%\u003c\/span\u003e\u003c\/td\u003e\n\n \u003ctd data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e0.3%\u003c\/span\u003e\u003c\/td\u003e\n\n\u003ctd data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e0.15%\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e0.5%\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd data-mce-fragment=\"1\"\u003e 0.5% \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e Austenitizing temp: 840-880 C\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e Tanning: \u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\" class=\"expanded-width\"\u003e\u003cimg data-mce-fragment=\"1\" class=\"exp-loaded\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2148\/6651\/files\/246552A0-50FB-4C22-B28C-FD80D50C3D27_large.jpeg?v=1537254535\" alt=\"80crv2 tempering chart tempering graph\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2148\/6651\/files\/246552A0-50FB-4C22-B28C-FD80D50C3D27_large.jpeg?v=1537254535\"\u003e\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e Example of curing procedure:\u003c\/p\u003e\n\n\u003col data-mce-fragment=\"1\"\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e Hold at 850 degrees for 5-15 min\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e Cool in oil, such as rapeseed oil.\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e 200C in the oven 2 hours, cool in air to room temperature\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e 200C in the oven for 2 more hours.\u003c\/li\u003e\n\n\n\u003c\/ol\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e The designation Sort, for example 1st Sort and 2nd Sort means Sorting. It indicates how bent the piece of steel is. For example, 1st sorting has a bend of less than 1mm per meter \u003cspan data-mce-fragment=\"1\"\u003e, and is therefore more or less flat. If you need something flatter than 1st Sorting, you have to buy flat-ground steel,\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e2nd grade has from 1mm up to 4mm bend and 3rd grade has 4mm or more. In other words, 1st grade is the flattest pieces of that type, and 3rd grade is the one with the most bend. The bend comes from the steel being stored on large rolls before being unrolled and cut into smaller pieces, some bend can also come from when the steel is cut.\u003c\/p\u003e\n\n \u003cp data-mce-fragment=\"1\"\u003eContact us if you have any questions!\u003c\/p\u003e","brand":"GFS Knife Supply","offers":[{"title":"2.3x150x700","offer_id":46900680196349,"sku":"CRV-2.3x150x700","price":419.0,"currency_code":"NOK","in_stock":false},{"title":"3.0x30x700","offer_id":46900684390653,"sku":"CRV-3.0x30x700","price":189.0,"currency_code":"NOK","in_stock":false},{"title":"3.0x40x700","offer_id":46900690190589,"sku":"CRV-3.0x40x700","price":199.0,"currency_code":"NOK","in_stock":false},{"title":"3.0x50x700","offer_id":46900694057213,"sku":"CRV-3.0x50x700","price":219.0,"currency_code":"NOK","in_stock":false},{"title":"3.0x150x700","offer_id":46900699857149,"sku":"CRV-3.0x150x700","price":524.0,"currency_code":"NOK","in_stock":false},{"title":"3.7x50x400","offer_id":46102001058045,"sku":"CRV-3.7x50x400","price":156.0,"currency_code":"NOK","in_stock":true},{"title":"3.7x50x600","offer_id":46102005809405,"sku":"CRV-3.7x50x600","price":199.0,"currency_code":"NOK","in_stock":false},{"title":"3.7x420x1030","offer_id":46102006694141,"sku":"CRV-3.7x420x1030","price":1574.0,"currency_code":"NOK","in_stock":true},{"title":"4x50x400","offer_id":44205156270333,"sku":"CRV-4x50x400","price":179.0,"currency_code":"NOK","in_stock":true},{"title":"5x50x270 (2nd)","offer_id":47025271701757,"sku":"CRV-5x50x270","price":156.0,"currency_code":"NOK","in_stock":true},{"title":"5x50x500","offer_id":44205156401405,"sku":"CRV-5x50x500","price":366.0,"currency_code":"NOK","in_stock":true},{"title":"5x50x600","offer_id":46229943845117,"sku":"CRV-5x50x600","price":409.0,"currency_code":"NOK","in_stock":true},{"title":"6.2x60x400","offer_id":44205156466941,"sku":"CRV-6.2x60x400","price":366.0,"currency_code":"NOK","in_stock":true},{"title":"6.2x60x400 (2nd)","offer_id":44205156499709,"sku":"CRV-6.2x60x400-2","price":314.0,"currency_code":"NOK","in_stock":true},{"title":"6.2x60x500","offer_id":44205156532477,"sku":"CRV-6.2x60x500","price":549.0,"currency_code":"NOK","in_stock":true},{"title":"6.2x60x600","offer_id":44205156598013,"sku":"CRV-6.2x60x600","price":599.0,"currency_code":"NOK","in_stock":true},{"title":"6.2x60x600 (2nd)","offer_id":44205156630781,"sku":"CRV-6.2x60x600-2","price":499.0,"currency_code":"NOK","in_stock":true},{"title":"6.2x60x925 (2nd)","offer_id":44205156696317,"sku":"CRV-6.2x60x915-2","price":759.0,"currency_code":"NOK","in_stock":true},{"title":"9.3x100x500 (Chopper blank)","offer_id":44205156761853,"sku":"CRV-9.3x100x500","price":1248.0,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2148\/6651\/files\/Uten_tittel_-_09._september_2026_kl._10.23.38.png?v=1788942295"},{"product_id":"ferdig-herdet-knivstal-til-a-lage-kniv-80crv2","title":"Ready hardened knife steel for making knives 80CrV2","description":"\u003cp\u003e Do you want to make your own knife blade according to your own design but don't have the opportunity to harden the knife steel? Here's the solution!\u003c\/p\u003e\n\n\u003ch3\u003e Finished hardened knife blade blank, ready for design and sharpening\u003c\/h3\u003e\n\n\u003cp\u003e This steel is already hardened, tempered and ready, so all you need to do is shape it the way you want by grinding it with a belt grinder, angle grinder or similar.\u003c\/p\u003e\n\n\u003ch3\u003e But won't the curing be destroyed?\u003c\/h3\u003e\n\n \u003cp\u003eNo, what you have to make sure is that critical parts of the knife, like the blade, do not get hotter than about 200 degrees. You do this by not sharpening too much too quickly and by dipping the steel in water between sharpening rounds to cool it down. When steel gets hot it changes color, so you know when it has gotten too hot. At about 200 degrees the steel becomes golden yellow\/straw colored, then the effect of the hardening is reduced or destroyed, if the temperature gets higher the color becomes browner, then purple and if the temperature goes up further the steel turns blue.\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003e The steel piece is 3.25x50x280mm\u003c\/p\u003e","brand":"Laurin","offers":[{"title":"3.2x50x280mm","offer_id":45177601097981,"sku":"HERDET80CRV2-3.25x","price":314.0,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2148\/6651\/files\/Uten_tittel_-_09._september_2026_kl._10.23.38-4.png?v=1789045738"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2148\/6651\/collections\/image_20786570-426f-4af6-ada9-d0919e27df1a.heic?v=1663263669","url":"https:\/\/storbua.dk\/en\/collections\/karbonstal.oembed","provider":"Storbua.no","version":"1.0","type":"link"}