{"id":29072,"date":"2022-02-08T12:54:19","date_gmt":"2022-02-08T12:54:19","guid":{"rendered":"https:\/\/aaknives.eu\/?post_type=product&#038;p=29072"},"modified":"2026-09-04T04:33:42","modified_gmt":"2026-09-04T04:33:42","slug":"knife-boar-bohler-uddeholm-s390-knife-steel","status":"publish","type":"product","link":"https:\/\/aaknives.eu\/en\/product\/knife-boar-bohler-uddeholm-s390-knife-steel\/","title":{"rendered":"Knife &#8221;BOAR&#8221;, Bohler-Uddeholm S390 Knife Steel"},"content":{"rendered":"<p>Knife specifications: &#8221;WILD BOAR&#8221; Steel: Bohler-Uddeholm S390 Knife Steel Knife steel hardness: 65-68 HRC Blade length (mm): 110 \/ 4,33 Inch Blade thickness (mm): 3 \/ 0,9 Inch Blade width (mm): 34 \/ 1,33 Inch Handle: stabilised Karelian birch and synthetic material Overall length (mm): 240 \/ 9,44 Inch Knife type: hunting, outdoor Package: knife, leather sheath S390 (Bohler-Uddeholm) &#8211; a Bohler-Uddeholm PM steel. A high-speed, red-hot-hardness tool steel. Good toughness and wear resistance. Roughly equivalent to AISI T15 high-speed tool steel. I will soon put this alloy in its own group, since S390 Microclean is not close enough to either AISI T15 or AISI M3:1Co to justify placing it in the same group. Meanwhile, Switzerland has just published a video (23.09.19) with S390 Microclean test results, in which a thin knife with a 0,02&#8243; behind-the-edge thickness managed to cut through a steel nail and a brass pipe without any edge damage. The test knife was a very impressive 68 HRC. Overall, based on the published data and tests, S390 Microclean steel can be very effective, and, based on the heat treatment protocol used, I think it can work excellently both in high-performance slicers and in larger, harder-use knives. It is also worth noting that the carbide size is in the range of 3 \u00b5m to 5 \u00b5m, which is quite good compared with many other alloy steels.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Knife specifications: &#8221;WILD BOAR&#8221; Steel: Bohler-Uddeholm S390 Knife Steel Knife steel hardness: 65-68 HRC Blade length (mm): 110 \/ 4,33 Inch Blade thickness (mm): 3 \/ 0,9 Inch Blade width (mm): 34 \/ 1,33 Inch Handle: stabilised Karelian birch and synthetic material Overall length (mm): 240 \/ 9,44 Inch Knife type: hunting, outdoor Package: knife, leather sheath S390 (Bohler-Uddeholm) &#8211; a Bohler-Uddeholm PM steel. A high-speed, red-hot-hardness tool steel. Good toughness and wear resistance. Roughly equivalent to AISI T15 high-speed tool steel. I will soon put this alloy in its own group, since S390 Microclean is not close enough to&hellip;<\/p>\n","protected":false},"featured_media":69321,"template":"","meta":{"_themeisle_gutenberg_block_has_review":false},"product_brand":[],"product_cat":[135,138,136,134],"product_tag":[],"class_list":["post-29072","product","type-product","status-publish","has-post-thumbnail","product_cat-fishing-knives","product_cat-hunting-knives","product_cat-outdoor-knives","product_cat-exclusive-knives","first","instock","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Knife &#039;&#039;BOAR&#039;&#039;, Bohler-Uddeholm S390 Knife Steel - AAKnives<\/title>\n<meta name=\"description\" content=\"Knife &#039;&#039;BOAR&#039;&#039;, Bohler-Uddeholm S390 Knife Steel, Swedish knife steel, knife handmade, classic knife,\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aaknives.eu\/en\/product\/knife-boar-bohler-uddeholm-s390-knife-steel\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Knife &#039;&#039;BOAR&#039;&#039;, Bohler-Uddeholm S390 Knife Steel\" \/>\n<meta property=\"og:description\" content=\"Knife &#039;&#039;BOAR&#039;&#039;, Bohler-Uddeholm S390 Knife Steel, Swedish knife steel, knife handmade, classic knife,\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aaknives.eu\/en\/product\/knife-boar-bohler-uddeholm-s390-knife-steel\/\" \/>\n<meta property=\"og:site_name\" content=\"AAKnives\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/aaknives.eu\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-04T04:33:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/aaknives.eu\/wp-content\/uploads\/2022\/02\/aaknives-hand-forged-dabascus-steel-blade-knife-handmade-custom-made-knife-handcrafted-knives-autinetools-northmen-14.2-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1020\" \/>\n\t<meta property=\"og:image:height\" content=\"880\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/aaknives.eu\\\/en\\\/product\\\/knife-boar-bohler-uddeholm-s390-knife-steel\\\/\",\"url\":\"https:\\\/\\\/aaknives.eu\\\/en\\\/product\\\/knife-boar-bohler-uddeholm-s390-knife-steel\\\/\",\"name\":\"Knife ''BOAR'', Bohler-Uddeholm S390 Knife Steel - 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