{"product_id":"bunka-knife-165mm-tricolour-multimetal-aurelia","title":"Bunka Knife 165 mm — Laminated Multimetal Construction | Aurelia Series","description":"\u003cp data-end=\"405\" data-start=\"123\"\u003eThis 165 mm Bunka is configured as a compact precision blade, prioritising control and manoeuvrability over reach. Within the Aurelia Series, performance is defined by laminated multimetal construction, where structural composition governs behaviour rather than high-hardness steel.\u003c\/p\u003e\n\u003ch3 data-end=\"441\" data-start=\"412\" data-section-id=\"1vhiqvg\"\u003eEngineering and Materials\u003c\/h3\u003e\n\u003cp data-end=\"637\" data-start=\"443\"\u003eThe blade is built around a 12Cr18MoV stainless steel core, heat treated to 58–60 HRC. This steel is selected for corrosion resistance, structural stability, and predictable sharpening response.\u003c\/p\u003e\n\u003cp data-end=\"874\" data-start=\"639\"\u003eAt this hardness level, edge retention is moderate—above standard stainless steels but below high-hardness or powder metallurgy compositions. The trade-off is improved toughness and reduced risk of micro-chipping during controlled use.\u003c\/p\u003e\n\u003cp data-end=\"1129\" data-start=\"876\"\u003eThe 37-layer laminate integrates 316L stainless steel with copper and brass. These outer layers act as structural cladding and do not influence cutting performance. Copper and brass are reactive and will develop surface oxidation if not dried after use.\u003c\/p\u003e\n\u003ch3 data-end=\"1158\" data-start=\"1136\" data-section-id=\"1qnzxi5\"\u003eBlade Architecture\u003c\/h3\u003e\n\u003cp data-end=\"1319\" data-start=\"1160\"\u003eWith a blade thickness class around 2.1 mm and a height of 46 mm, the geometry is optimised for low resistance while maintaining sufficient lateral stability.\u003c\/p\u003e\n\u003cp data-end=\"1545\" data-start=\"1321\"\u003eThe reduced length (165 mm) increases agility, allowing tighter control in confined or detail-oriented tasks. The Bunka profile combines a flat edge with a forward-angled (reverse tanto) tip, enabling precise tip engagement.\u003c\/p\u003e\n\u003cp data-end=\"1721\" data-start=\"1547\"\u003eThe edge is ground at approximately 13–15° per side, balancing cutting efficiency with edge durability. The shorter blade reduces flex and improves feedback during fine work.\u003c\/p\u003e\n\u003ch3 data-end=\"1752\" data-start=\"1728\" data-section-id=\"bs6y6o\"\u003eFunctional Behaviour\u003c\/h3\u003e\n\u003cp data-end=\"1924\" data-start=\"1754\"\u003eCutting resistance is low in push cutting due to flat edge geometry and reduced blade length. The tip allows controlled penetration but is not tolerant to lateral stress.\u003c\/p\u003e\n\u003cp data-end=\"2031\" data-start=\"1926\"\u003eEdge stability is consistent for vegetables and boneless proteins but not designed for impact or torsion.\u003c\/p\u003e\n\u003cp data-end=\"2144\" data-start=\"2033\"\u003eCorrosion resistance is high at the core; however, exposed copper and brass require drying to manage oxidation.\u003c\/p\u003e\n\u003cp data-end=\"2237\" data-start=\"2146\"\u003eSharpening is direct and predictable, with faster response compared to high-carbide steels.\u003c\/p\u003e\n\u003ch3 data-end=\"2266\" data-start=\"2244\" data-section-id=\"14z7251\"\u003eHandle Engineering\u003c\/h3\u003e\n\u003cp data-end=\"2394\" data-start=\"2268\"\u003eThe octagonal wa-style handle in figured sycamore with padauk burl accents provides neutral grip indexing and precise control.\u003c\/p\u003e\n\u003cp data-end=\"2558\" data-start=\"2396\"\u003eLow handle mass keeps balance near the blade–handle transition, enhancing responsiveness during detail work. Wood construction requires basic moisture management.\u003c\/p\u003e\n\u003ch3 data-end=\"2590\" data-start=\"2565\" data-section-id=\"1vb2tjh\"\u003eManufacturing Process\u003c\/h3\u003e\n\u003cp data-end=\"2740\" data-start=\"2592\"\u003eThe blade is produced through a forge-bonded multimetal lamination process, integrating stainless steel, copper, and brass into a unified structure.\u003c\/p\u003e\n\u003cp data-end=\"2919\" data-start=\"2742\"\u003eHeat treatment is applied to the core to balance hardness and toughness. The process prioritises structural cohesion across dissimilar metals rather than maximum edge retention.\u003c\/p\u003e\n\u003ch3 data-end=\"2944\" data-start=\"2926\" data-section-id=\"zzdsyy\"\u003eFunctional Use\u003c\/h3\u003e\n\u003cp data-end=\"2963\" data-start=\"2946\"\u003e\u003cstrong data-end=\"2963\" data-start=\"2946\"\u003eDesigned for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"3050\" data-start=\"2964\"\u003e\n\u003cli data-end=\"2999\" data-start=\"2964\" data-section-id=\"1j22mbs\"\u003ePrecision vegetable preparation\u003c\/li\u003e\n\u003cli data-end=\"3016\" data-start=\"3000\" data-section-id=\"13prvax\"\u003eFine slicing\u003c\/li\u003e\n\u003cli data-end=\"3050\" data-start=\"3017\" data-section-id=\"1aqasae\"\u003eDetail-oriented cutting tasks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"3073\" data-start=\"3052\"\u003e\u003cstrong data-end=\"3073\" data-start=\"3052\"\u003eNot designed for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"3135\" data-start=\"3074\"\u003e\n\u003cli data-end=\"3090\" data-start=\"3074\" data-section-id=\"vff2yg\"\u003eBone cutting\u003c\/li\u003e\n\u003cli data-end=\"3106\" data-start=\"3091\" data-section-id=\"axa54w\"\u003eFrozen food\u003c\/li\u003e\n\u003cli data-end=\"3135\" data-start=\"3107\" data-section-id=\"1tf10u5\"\u003eLateral stress or prying\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eKnife Type\u003c\/td\u003e\n\u003ctd\u003eBunka Knife\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Length\u003c\/td\u003e\n\u003ctd\u003e165 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Length\u003c\/td\u003e\n\u003ctd\u003e319 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Thickness\u003c\/td\u003e\n\u003ctd\u003e2.1 mm (thickness class)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Height\u003c\/td\u003e\n\u003ctd\u003e46 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e123 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Steel\u003c\/td\u003e\n\u003ctd\u003e12Cr18MoV Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003e37-layer multimetal lamination\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Materials\u003c\/td\u003e\n\u003ctd\u003eCopper · Brass · 316L Stainless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardness\u003c\/td\u003e\n\u003ctd\u003e58–60 HRC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEdge Angle\u003c\/td\u003e\n\u003ctd\u003e15° per side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTip Angle\u003c\/td\u003e\n\u003ctd\u003e65°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrind\u003c\/td\u003e\n\u003ctd\u003eDouble Bevel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eOctagonal Wa-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHandle Materials\u003c\/td\u003e\n\u003ctd\u003eFigured Sycamore · Padauk Burl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBalance\u003c\/td\u003e\n\u003ctd\u003eBlade–handle transition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCertification\u003c\/th\u003e\n\u003cth\u003eScope\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003ctd\u003eConformity with EU consumer product safety requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLFGB\u003c\/td\u003e\n\u003ctd\u003eCompliance for food-contact materials\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSGS\u003c\/td\u003e\n\u003ctd\u003eIndependent verification of material composition and safety\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"FireForge Knives","offers":[{"title":"Knife + Wood Box","offer_id":52946282807625,"sku":"200007763:201336100","price":255.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/2980\/0777\/files\/Max_1200_X_1200_-_2025-11-08T092822.598.jpg?v=1762604970","url":"https:\/\/fireforgeknives.com\/products\/bunka-knife-165mm-tricolour-multimetal-aurelia","provider":"FireForge Knives ","version":"1.0","type":"link"}