{"product_id":"custom-samurai-sword-hand-forged-kobuse-steel-clay-tempered-blade","title":"Custom Samurai Sword Hand Forged Kobuse Steel Clay Tempered Blade","description":"\u003ch2 data-end=\"356\" data-start=\"60\"\u003eCustom Samurai Sword – Hand Forged Kobuse Steel Clay Tempered Blade (Katana \/ Wakizashi \/ Tanto, Sashikomi or Hadori \u003cstrong data-start=\"1346\" data-end=\"1372\"\u003eStyle \u003c\/strong\u003ePolish)\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003cp data-end=\"629\" data-start=\"236\"\u003eThis custom samurai sword is hand forged using \u003cstrong data-end=\"334\" data-start=\"283\"\u003etraditional Kobuse steel construction\u003c\/strong\u003e, one of the classic techniques used in Japanese sword making. In the Kobuse method, a \u003cstrong data-end=\"540\" data-start=\"421\"\u003ehard high‑carbon steel jacket forms the outer layer of the blade, while a softer steel core runs through the center\u003c\/strong\u003e. This structure creates a blade that balances sharpness with durability and flexibility.\u003c\/p\u003e\n\u003cp data-end=\"1021\" data-start=\"631\"\u003eThe hardened outer steel provides excellent \u003cstrong data-end=\"716\" data-start=\"675\"\u003eedge hardness and cutting performance\u003c\/strong\u003e, allowing the blade to maintain a sharp edge. The softer core inside the blade helps absorb shock and improves overall toughness, reducing the risk of breakage during use. This traditional construction reflects the Japanese swordsmiths’ goal of achieving an ideal balance between strength and resilience.\u003c\/p\u003e\n\u003cp data-end=\"1414\" data-start=\"1023\"\u003eEach blade is crafted using a \u003cstrong data-end=\"1091\" data-start=\"1053\"\u003etraditional clay tempering process\u003c\/strong\u003e, which produces differential hardening along the cutting edge. This technique creates a harder edge for superior cutting ability while maintaining a tougher spine for durability and flexibility. The process also produces a visible and natural \u003cstrong data-end=\"1358\" data-start=\"1335\"\u003ehamon (temper line)\u003c\/strong\u003e, highlighting the beauty and authenticity of the blade.\u003c\/p\u003e\n\u003cp data-end=\"1508\" data-start=\"1416\"\u003eThis sword is available in three classic Japanese blade sizes to suit different preferences:\u003c\/p\u003e\n\u003cp data-end=\"1617\" data-start=\"1510\"\u003e\u003cstrong data-end=\"1520\" data-start=\"1510\"\u003eKatana\u003c\/strong\u003e – The iconic long samurai sword, known for its balance, reach, and powerful cutting performance.\u003c\/p\u003e\n\u003cp data-end=\"1713\" data-start=\"1619\"\u003e\u003cstrong data-end=\"1632\" data-start=\"1619\"\u003eWakizashi\u003c\/strong\u003e – A medium-length companion sword that offers versatility and excellent control.\u003c\/p\u003e\n\u003cp data-end=\"1800\" data-start=\"1715\"\u003e\u003cstrong data-end=\"1724\" data-start=\"1715\"\u003eTanto\u003c\/strong\u003e – A compact short blade valued for its strength, precision, and durability.\u003c\/p\u003e\n\u003cp data-end=\"1899\" data-start=\"1802\"\u003eTo further customize the appearance of the blade, two traditional polishing styles are available:\u003c\/p\u003e\n\u003cp data-end=\"2048\" data-start=\"1901\"\u003e\u003cstrong data-end=\"1927\" data-start=\"1901\"\u003eSashikomi Style Polish\u003c\/strong\u003e – A traditional polishing method that reveals the hamon naturally while preserving the authentic character of the blade.\u003c\/p\u003e\n\u003cp data-end=\"2175\" data-start=\"2050\"\u003e\u003cstrong data-end=\"2073\" data-start=\"2050\"\u003eHadori Style Polish\u003c\/strong\u003e – A polishing style that enhances and highlights the hamon with a brighter and more defined contrast.\u003c\/p\u003e\n\u003cp data-end=\"2602\" data-start=\"2177\"\u003eEach sword is individually forged and finished by skilled craftsmen, ensuring that every blade is unique. Combining traditional Kobuse construction with careful heat treatment and refined polishing techniques, this custom samurai sword offers both functional performance and traditional craftsmanship, making it ideal for collectors, martial arts practitioners, and enthusiasts who appreciate the heritage of Japanese blades.\u003c\/p\u003e\n\u003ch2 data-end=\"93\" data-start=\"37\" data-section-id=\"i1o7or\"\u003eKobuse Steel Blade Technical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"812\" data-start=\"95\"\u003e\n\u003cthead data-end=\"124\" data-start=\"95\"\u003e\n\u003ctr data-end=\"124\" data-start=\"95\"\u003e\n\u003cth class=\"\" data-col-size=\"sm\" data-end=\"107\" data-start=\"95\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"\" data-col-size=\"md\" data-end=\"124\" data-start=\"107\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"812\" data-start=\"135\"\u003e\n\u003ctr data-end=\"200\" data-start=\"135\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"153\" data-start=\"135\"\u003eBlade Structure\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"200\" data-start=\"153\"\u003eKobuse (Traditional Construction)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"268\" data-start=\"201\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"221\" data-start=\"201\"\u003eConstruction Type\u003c\/td\u003e\n\u003ctd data-end=\"268\" data-start=\"221\" data-col-size=\"md\"\u003eHard Steel Outer Layer with Soft Steel Core\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"322\" data-start=\"269\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"283\" data-start=\"269\"\u003eOuter Steel\u003c\/td\u003e\n\u003ctd data-end=\"322\" data-start=\"283\" data-col-size=\"md\"\u003eHigh Carbon Steel (T10 \/ 1095)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"366\" data-start=\"323\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"336\" data-start=\"323\"\u003eCore Steel\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"366\" data-start=\"336\"\u003eLow to Medium Carbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"411\" data-start=\"367\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"384\" data-start=\"367\"\u003eForging Method\u003c\/td\u003e\n\u003ctd data-end=\"411\" data-start=\"384\" data-col-size=\"md\"\u003eTraditional Hand Forged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"471\" data-start=\"412\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"429\" data-start=\"412\"\u003eHeat Treatment\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"471\" data-start=\"429\"\u003eClay Tempered (Differential Hardening)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"503\" data-start=\"472\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"488\" data-start=\"472\"\u003eEdge Hardness\u003c\/td\u003e\n\u003ctd data-end=\"503\" data-start=\"488\" data-col-size=\"md\"\u003e58 – 61 HRC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"536\" data-start=\"504\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"521\" data-start=\"504\"\u003eSpine Hardness\u003c\/td\u003e\n\u003ctd data-end=\"536\" data-start=\"521\" data-col-size=\"md\"\u003e40 – 45 HRC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"582\" data-start=\"537\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"545\" data-start=\"537\"\u003eHamon\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"582\" data-start=\"545\"\u003eNatural Hamon from Clay Tempering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"608\" data-start=\"583\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"600\" data-start=\"583\"\u003eEdge Retention\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"608\" data-start=\"600\"\u003eHigh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"629\" data-start=\"609\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"621\" data-start=\"609\"\u003eToughness\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"629\" data-start=\"621\"\u003eHigh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"664\" data-start=\"630\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"644\" data-start=\"630\"\u003eFlexibility\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"664\" data-start=\"644\"\u003eModerate to High\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"700\" data-start=\"665\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"687\" data-start=\"665\"\u003eStructural Strength\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"700\" data-start=\"687\"\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"755\" data-start=\"701\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"725\" data-start=\"701\"\u003eAvailable Blade Types\u003c\/td\u003e\n\u003ctd data-end=\"755\" data-start=\"725\" data-col-size=\"md\"\u003eKatana \/ Wakizashi \/ Tanto\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"812\" data-start=\"756\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"776\" data-start=\"756\"\u003ePolishing Options\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"812\" data-start=\"776\"\u003eSashikomi Style Polish \/ Hadori Style Polish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-end=\"2602\" data-start=\"2177\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0525\/5587\/4475\/files\/DSC_3023.jpg?v=1772972604\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0525\/5587\/4475\/files\/6a0f48436f03bf48e8c7f28f9f150b4c_70b922c3-7797-4718-ba73-df5ff8e6777a.png?v=1772972604\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0525\/5587\/4475\/files\/DSC_4943.jpg?v=1772972604\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KSA","offers":[{"title":"Default Title","offer_id":46285768818859,"sku":"KatanaKobuse","price":400.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/5587\/4475\/files\/custom-samurai-sword-hand-forged-kobuse-steel-clay-tempered-blade-katanaswordart-2025-au-1727778.png?v=1773049807","url":"https:\/\/www.katanaswordart.com.au\/products\/custom-samurai-sword-hand-forged-kobuse-steel-clay-tempered-blade","provider":"KatanaSwordArt","version":"1.0","type":"link"}