{"title":"Ultra-High Hardness Platform","description":"","products":[{"product_id":"zdp189-utility-141mm-49-layer","title":"Utility 141 mm — ZDP189 49-Layer San-Mai | Ultra-High Hardness Platform","description":"\u003cp data-start=\"1310\" data-end=\"1491\"\u003eThis Utility knife completes FireForge’s ZDP189 ultra-high hardness collection, delivering identical metallurgical performance to the Bunka and Nakiri in a compact precision format.\u003c\/p\u003e\n\u003cp data-start=\"1493\" data-end=\"1624\"\u003eIt is engineered for controlled slicing, trimming and fine preparation tasks requiring extreme edge retention in a smaller profile.\u003c\/p\u003e\n\u003cp data-start=\"1626\" data-end=\"1686\"\u003eThis model remains structurally above the M390 Crown Series.\u003c\/p\u003e\n\u003ch3 data-start=\"1693\" data-end=\"1721\"\u003eEngineering and Materials\u003c\/h3\u003e\n\u003cp data-start=\"1723\" data-end=\"1828\"\u003eThe blade core is manufactured from \u003cstrong data-start=\"1759\" data-end=\"1801\"\u003eHitachi ZDP189 powder metallurgy steel\u003c\/strong\u003e, containing approximately:\u003c\/p\u003e\n\u003cul data-start=\"1830\" data-end=\"1860\"\u003e\n\u003cli data-start=\"1830\" data-end=\"1843\"\u003e\n\u003cp data-start=\"1832\" data-end=\"1843\"\u003e3% Carbon\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1844\" data-end=\"1860\"\u003e\n\u003cp data-start=\"1846\" data-end=\"1860\"\u003e20% Chromium\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1862\" data-end=\"1927\"\u003eVacuum heat treatment with deep cryogenic stabilisation achieves:\u003c\/p\u003e\n\u003cp data-start=\"1929\" data-end=\"1963\"\u003e\u003cstrong data-start=\"1929\" data-end=\"1963\"\u003e65–67 HRC operational hardness\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1965\" data-end=\"1985\"\u003eThe core is clad in:\u003c\/p\u003e\n\u003cp data-start=\"1987\" data-end=\"2042\"\u003e\u003cstrong data-start=\"1987\" data-end=\"2042\"\u003e48 layers of SUS420J2 stainless steel (24 per side)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2044\" data-end=\"2063\"\u003eTotal construction:\u003c\/p\u003e\n\u003cp data-start=\"2065\" data-end=\"2085\"\u003e\u003cstrong data-start=\"2065\" data-end=\"2085\"\u003e49-layer san-mai\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2087\" data-end=\"2142\"\u003eSpine thickness: 2.0 mm\u003cbr data-start=\"2110\" data-end=\"2113\"\u003eEdge geometry: 15° per side\u003c\/p\u003e\n\u003ch3 data-start=\"2149\" data-end=\"2178\"\u003eStructural Characteristics\u003c\/h3\u003e\n\u003cp data-start=\"2180\" data-end=\"2310\"\u003eThe 40° upper tip geometry reinforces structural stability near the point, reducing fragility while maintaining precision control.\u003c\/p\u003e\n\u003cp data-start=\"2312\" data-end=\"2338\"\u003eAt 99 g, the blade offers:\u003c\/p\u003e\n\u003cul data-start=\"2340\" data-end=\"2425\"\u003e\n\u003cli data-start=\"2340\" data-end=\"2364\"\u003e\n\u003cp data-start=\"2342\" data-end=\"2364\"\u003eHigh manoeuvrability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2365\" data-end=\"2384\"\u003e\n\u003cp data-start=\"2367\" data-end=\"2384\"\u003eReduced fatigue\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2385\" data-end=\"2425\"\u003e\n\u003cp data-start=\"2387\" data-end=\"2425\"\u003eFine control in detail-oriented work\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2427\" data-end=\"2489\"\u003eThis knife is not suitable for bone contact or impact cutting.\u003c\/p\u003e\n\u003ch3 data-start=\"2496\" data-end=\"2513\"\u003eFunctional Use\u003c\/h3\u003e\n\u003cp data-start=\"2515\" data-end=\"2529\"\u003eOptimised for:\u003c\/p\u003e\n\u003cul data-start=\"2531\" data-end=\"2640\"\u003e\n\u003cli data-start=\"2531\" data-end=\"2553\"\u003e\n\u003cp data-start=\"2533\" data-end=\"2553\"\u003ePrecision trimming\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2554\" data-end=\"2587\"\u003e\n\u003cp data-start=\"2556\" data-end=\"2587\"\u003eFruit and vegetable detailing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2588\" data-end=\"2617\"\u003e\n\u003cp data-start=\"2590\" data-end=\"2617\"\u003eBoneless meat preparation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2618\" data-end=\"2640\"\u003e\n\u003cp data-start=\"2620\" data-end=\"2640\"\u003eFine slicing tasks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2642\" data-end=\"2710\"\u003eIt is designed for disciplined use in advanced kitchen environments.\u003c\/p\u003e\n\u003ch3 data-start=\"2717\" data-end=\"2739\"\u003eHandle Architecture\u003c\/h3\u003e\n\u003cul data-start=\"2741\" data-end=\"2896\"\u003e\n\u003cli data-start=\"2741\" data-end=\"2774\"\u003e\n\u003cp data-start=\"2743\" data-end=\"2774\"\u003eHigh-density black resin body\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2775\" data-end=\"2817\"\u003e\n\u003cp data-start=\"2777\" data-end=\"2817\"\u003eInternal phosphor bronze reinforcement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2818\" data-end=\"2842\"\u003e\n\u003cp data-start=\"2820\" data-end=\"2842\"\u003eWhite brass ferrules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2843\" data-end=\"2865\"\u003e\n\u003cp data-start=\"2845\" data-end=\"2865\"\u003eOctagonal geometry\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2866\" data-end=\"2896\"\u003e\n\u003cp data-start=\"2868\" data-end=\"2896\"\u003eAmbidextrous configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2898\" data-end=\"2965\"\u003eThe handle maintains dimensional stability and moisture resistance.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003eUtility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlatform\u003c\/td\u003e\n\u003ctd\u003eUltra-High Hardness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Steel\u003c\/td\u003e\n\u003ctd\u003eZDP189 (Powder Metallurgy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardness\u003c\/td\u003e\n\u003ctd\u003e65–67 HRC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003e49-layer san-mai\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCladding\u003c\/td\u003e\n\u003ctd\u003e48 layers SUS420J2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Length\u003c\/td\u003e\n\u003ctd\u003e141 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Thickness\u003c\/td\u003e\n\u003ctd\u003e2.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Length\u003c\/td\u003e\n\u003ctd\u003e276 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHandle Length\u003c\/td\u003e\n\u003ctd\u003e126 mm\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\u003eUpper Tip Angle\u003c\/td\u003e\n\u003ctd\u003e40°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e99 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHandle Material\u003c\/td\u003e\n\u003ctd\u003eHigh-density resin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReinforcement\u003c\/td\u003e\n\u003ctd\u003ePhosphor bronze internal core\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFerrules\u003c\/td\u003e\n\u003ctd\u003eWhite brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003eWooden presentation box\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\u003eEU food-contact compliance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLFGB\u003c\/td\u003e\n\u003ctd\u003eGerman food-contact compliance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"FireForge Knives","offers":[{"title":"Default Title","offer_id":52946281398601,"sku":null,"price":522.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/2980\/0777\/files\/1_cf28a43f-1a9b-47e4-b05f-e5edb9e4c93b.jpg?v=1777641125"},{"product_id":"zdp189-nakiri-180mm-49-layer","title":"Nakiri 180 mm — ZDP189 49-Layer San-Mai | Ultra-High Hardness Platform","description":"\u003cp data-start=\"1171\" data-end=\"1309\"\u003eThis Nakiri belongs to FireForge’s ultra-high hardness platform, constructed around a ZDP189 powder metallurgy core hardened to 65–67 HRC.\u003c\/p\u003e\n\u003cp data-start=\"1311\" data-end=\"1452\"\u003eIt is engineered for precision vegetable preparation where edge stability, wear resistance and clean vertical cutting behaviour are critical.\u003c\/p\u003e\n\u003cp data-start=\"1454\" data-end=\"1607\"\u003eThis model sits within the same structural tier as the ZDP189 Bunka, offering identical metallurgical performance in a specialised flat-profile geometry.\u003c\/p\u003e\n\u003ch3 data-start=\"1614\" data-end=\"1642\"\u003eEngineering and Materials\u003c\/h3\u003e\n\u003cp data-start=\"1644\" data-end=\"1745\"\u003eThe blade core is manufactured from Hitachi ZDP189 powder metallurgy steel, containing approximately:\u003c\/p\u003e\n\u003cul data-start=\"1747\" data-end=\"1777\"\u003e\n\u003cli data-start=\"1747\" data-end=\"1760\"\u003e\n\u003cp data-start=\"1749\" data-end=\"1760\"\u003e3% Carbon\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1761\" data-end=\"1777\"\u003e\n\u003cp data-start=\"1763\" data-end=\"1777\"\u003e20% Chromium\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1779\" data-end=\"1851\"\u003eVacuum heat treatment followed by deep cryogenic stabilisation achieves:\u003c\/p\u003e\n\u003cp data-start=\"1853\" data-end=\"1887\"\u003e\u003cstrong data-start=\"1853\" data-end=\"1887\"\u003e65–67 HRC operational hardness\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1889\" data-end=\"1909\"\u003eThe core is clad in:\u003c\/p\u003e\n\u003cp data-start=\"1911\" data-end=\"1966\"\u003e\u003cstrong data-start=\"1911\" data-end=\"1966\"\u003e48 layers of SUS420J2 stainless steel (24 per side)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1968\" data-end=\"1987\"\u003eTotal construction:\u003c\/p\u003e\n\u003cp data-start=\"1989\" data-end=\"2009\"\u003e\u003cstrong data-start=\"1989\" data-end=\"2009\"\u003e49-layer san-mai\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2011\" data-end=\"2110\"\u003eThe cladding provides structural buffering, oxidation protection and multilayer surface patterning.\u003c\/p\u003e\n\u003cp data-start=\"2112\" data-end=\"2167\"\u003eSpine thickness: 2.0 mm\u003cbr data-start=\"2135\" data-end=\"2138\"\u003eEdge geometry: 15° per side\u003c\/p\u003e\n\u003ch3 data-start=\"2174\" data-end=\"2197\"\u003eStructural Behaviour\u003c\/h3\u003e\n\u003cp data-start=\"2199\" data-end=\"2242\"\u003eAt this hardness level, the blade delivers:\u003c\/p\u003e\n\u003cul data-start=\"2244\" data-end=\"2333\"\u003e\n\u003cli data-start=\"2244\" data-end=\"2271\"\u003e\n\u003cp data-start=\"2246\" data-end=\"2271\"\u003eExtended edge retention\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2272\" data-end=\"2300\"\u003e\n\u003cp data-start=\"2274\" data-end=\"2300\"\u003eHigh abrasion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2301\" data-end=\"2333\"\u003e\n\u003cp data-start=\"2303\" data-end=\"2333\"\u003eReduced sharpening frequency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2335\" data-end=\"2447\"\u003eThe knife requires controlled technique and is not suitable for impact cutting, bone contact or frozen products.\u003c\/p\u003e\n\u003ch3 data-start=\"2454\" data-end=\"2471\"\u003eFunctional Use\u003c\/h3\u003e\n\u003cp data-start=\"2473\" data-end=\"2487\"\u003eOptimised for:\u003c\/p\u003e\n\u003cul data-start=\"2489\" data-end=\"2583\"\u003e\n\u003cli data-start=\"2489\" data-end=\"2503\"\u003e\n\u003cp data-start=\"2491\" data-end=\"2503\"\u003eVegetables\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2504\" data-end=\"2513\"\u003e\n\u003cp data-start=\"2506\" data-end=\"2513\"\u003eHerbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2514\" data-end=\"2542\"\u003e\n\u003cp data-start=\"2516\" data-end=\"2542\"\u003eClean vertical push cuts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2543\" data-end=\"2583\"\u003e\n\u003cp data-start=\"2545\" data-end=\"2583\"\u003ePrecision slicing of fibrous produce\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2585\" data-end=\"2657\"\u003eThe flat Nakiri profile maximises board contact and cutting consistency.\u003c\/p\u003e\n\u003ch3 data-start=\"2664\" data-end=\"2686\"\u003eHandle Architecture\u003c\/h3\u003e\n\u003cul data-start=\"2688\" data-end=\"2852\"\u003e\n\u003cli data-start=\"2688\" data-end=\"2721\"\u003e\n\u003cp data-start=\"2690\" data-end=\"2721\"\u003eHigh-density black resin body\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2722\" data-end=\"2764\"\u003e\n\u003cp data-start=\"2724\" data-end=\"2764\"\u003eInternal phosphor bronze reinforcement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2765\" data-end=\"2789\"\u003e\n\u003cp data-start=\"2767\" data-end=\"2789\"\u003eWhite brass ferrules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2790\" data-end=\"2821\"\u003e\n\u003cp data-start=\"2792\" data-end=\"2821\"\u003eOctagonal Japanese geometry\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2822\" data-end=\"2852\"\u003e\n\u003cp data-start=\"2824\" data-end=\"2852\"\u003eAmbidextrous configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2854\" data-end=\"2933\"\u003eThe handle structure prioritises dimensional stability and moisture resistance.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003eNakiri\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlatform\u003c\/td\u003e\n\u003ctd\u003eUltra-High Hardness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Steel\u003c\/td\u003e\n\u003ctd\u003eZDP189 (Powder Metallurgy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardness\u003c\/td\u003e\n\u003ctd\u003e65–67 HRC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003e49-layer san-mai\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCladding\u003c\/td\u003e\n\u003ctd\u003e48 layers SUS420J2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Length\u003c\/td\u003e\n\u003ctd\u003e180 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Thickness\u003c\/td\u003e\n\u003ctd\u003e2.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Length\u003c\/td\u003e\n\u003ctd\u003e333 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHandle Length\u003c\/td\u003e\n\u003ctd\u003e138 mm\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e199 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHandle Material\u003c\/td\u003e\n\u003ctd\u003eHigh-density resin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReinforcement\u003c\/td\u003e\n\u003ctd\u003ePhosphor bronze internal core\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFerrules\u003c\/td\u003e\n\u003ctd\u003eWhite brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003eWooden presentation box\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\u003eEU food-contact compliance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLFGB\u003c\/td\u003e\n\u003ctd\u003eGerman food-contact compliance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"FireForge Knives","offers":[{"title":"Default Title","offer_id":52946281431369,"sku":null,"price":705.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/2980\/0777\/files\/1_c05f6cce-1a2e-4b41-91c1-b19fa785ed38.jpg?v=1777640825"},{"product_id":"zdp189-bunka-210mm-powder-steel","title":"Bunka Knife — ZDP189 Powder Metallurgy Core | Ultra-High Edge Retention","description":"\u003cp data-start=\"113\" data-end=\"262\"\u003eEngineered for maximum edge longevity under controlled use, prioritising wear resistance and cutting precision over versatility and impact tolerance.\u003c\/p\u003e\n\u003cp data-start=\"291\" data-end=\"549\"\u003eIn fine preparation work, the knife maintains a sharp, stable edge across extended sessions without noticeable degradation. It moves through ingredients with minimal resistance, allowing precise, repeatable cuts without frequent interruption for maintenance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1a9y8wg\" data-start=\"556\" data-end=\"582\"\u003eFunctional Behaviour\u003c\/h3\u003e\n\u003cp data-start=\"583\" data-end=\"781\"\u003eThe cutting behaviour is highly efficient and precise. The edge engages cleanly with very low resistance, maintaining its geometry through repeated slicing and push cutting with minimal deformation.\u003c\/p\u003e\n\u003cp data-start=\"783\" data-end=\"946\"\u003eThis performance comes from the extreme hardness and carbide density of the core steel, which resists wear far more effectively than conventional stainless alloys.\u003c\/p\u003e\n\u003cp data-start=\"948\" data-end=\"1114\"\u003eTrade-off: the edge is sensitive to lateral stress and impact. Improper technique or contact with hard materials can result in microchipping rather than gradual wear.\u003c\/p\u003e\n\u003cp data-start=\"1116\" data-end=\"1280\"\u003eOver time, edge degradation is slow but irreversible through honing. Sharpening intervals are extended, but require high-quality abrasives and controlled technique.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1i9rskd\" data-start=\"1287\" data-end=\"1311\"\u003eBlade Architecture\u003c\/h3\u003e\n\u003cp data-start=\"1312\" data-end=\"1513\"\u003eThe thin ~2.0 mm spine combined with a fine edge geometry creates low cutting resistance and high precision. The Bunka profile supports detailed work, particularly in push cutting and tip-driven tasks.\u003c\/p\u003e\n\u003cp data-start=\"1515\" data-end=\"1653\"\u003eThe san-mai construction provides structural buffering through softer outer layers, while cutting performance remains defined by the core.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1b1m7ik\" data-start=\"1660\" data-end=\"1691\"\u003eEngineering and Materials\u003c\/h3\u003e\n\u003cp data-start=\"1692\" data-end=\"1772\"\u003eThe core steel, \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eZDP189 steel\u003c\/span\u003e\u003c\/span\u003e, is hardened to 65–67 HRC.\u003c\/p\u003e\n\u003cp data-start=\"1774\" data-end=\"1790\"\u003eThis results in:\u003c\/p\u003e\n\u003cul data-start=\"1791\" data-end=\"1917\"\u003e\n\u003cli data-section-id=\"4sl0n9\" data-start=\"1791\" data-end=\"1821\"\u003eExceptional edge retention\u003c\/li\u003e\n\u003cli data-section-id=\"1espjhe\" data-start=\"1822\" data-end=\"1867\"\u003eHigh wear resistance under continuous use\u003c\/li\u003e\n\u003cli data-section-id=\"1l9wirb\" data-start=\"1868\" data-end=\"1917\"\u003eStable edge geometry with minimal deformation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1919\" data-end=\"2044\"\u003eThe powder metallurgy process produces a high volume of fine chromium carbides, significantly increasing abrasion resistance.\u003c\/p\u003e\n\u003cp data-start=\"2046\" data-end=\"2231\"\u003eCompared to conventional stainless steels, it dramatically extends edge life. Compared to lower hardness PM steels, it sacrifices toughness and ease of sharpening for maximum retention.\u003c\/p\u003e\n\u003ch3 data-section-id=\"h9t8r9\" data-start=\"2238\" data-end=\"2262\"\u003eHandle Engineering\u003c\/h3\u003e\n\u003cp data-start=\"2263\" data-end=\"2511\"\u003eThe octagonal handle combines high-density resin with internal phosphor bronze reinforcement, providing structural stability and resistance to environmental variation. The geometry supports controlled grip indexing, essential for precision cutting.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1t970nh\" data-start=\"2518\" data-end=\"2545\"\u003eManufacturing Process\u003c\/h3\u003e\n\u003cp data-start=\"2546\" data-end=\"2819\"\u003eThe blade is produced through powder metallurgy steel processing followed by san-mai lamination. Vacuum heat treatment and cryogenic stabilisation achieve the target hardness. Precision grinding defines the thin geometry, while surface etching reveals the layered cladding.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1bbj3vu\" data-start=\"2826\" data-end=\"2846\"\u003eFunctional Use\u003c\/h3\u003e\n\u003cp data-start=\"2848\" data-end=\"2867\"\u003e\u003cstrong data-start=\"2848\" data-end=\"2865\"\u003eDesigned for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2868\" data-end=\"2977\"\u003e\n\u003cli data-section-id=\"b2feqi\" data-start=\"2868\" data-end=\"2898\"\u003eFine vegetable preparation\u003c\/li\u003e\n\u003cli data-section-id=\"1dzhpah\" data-start=\"2899\" data-end=\"2915\"\u003eFish slicing\u003c\/li\u003e\n\u003cli data-section-id=\"gxdi5\" data-start=\"2916\" data-end=\"2941\"\u003eBoneless protein work\u003c\/li\u003e\n\u003cli data-section-id=\"1sb85iw\" data-start=\"2942\" data-end=\"2977\"\u003ePrecision push and pull cutting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2979\" data-end=\"3002\"\u003e\u003cstrong data-start=\"2979\" data-end=\"3000\"\u003eNot designed for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3003\" data-end=\"3074\"\u003e\n\u003cli data-section-id=\"s8qp3i\" data-start=\"3003\" data-end=\"3019\"\u003eBone contact\u003c\/li\u003e\n\u003cli data-section-id=\"axa54w\" data-start=\"3020\" data-end=\"3035\"\u003eFrozen food\u003c\/li\u003e\n\u003cli data-section-id=\"qt5qgp\" data-start=\"3036\" data-end=\"3055\"\u003eLateral torsion\u003c\/li\u003e\n\u003cli data-section-id=\"o064u4\" data-start=\"3056\" data-end=\"3074\"\u003eImpact cutting\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Length\u003c\/td\u003e\n\u003ctd\u003e210 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Steel\u003c\/td\u003e\n\u003ctd\u003eZDP189 (Powder Metallurgy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardness\u003c\/td\u003e\n\u003ctd\u003e65–67 HRC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eSan-mai laminated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCladding\u003c\/td\u003e\n\u003ctd\u003e48-layer SUS420J2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Thickness\u003c\/td\u003e\n\u003ctd\u003e2.0 mm\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\u003eHandle Material\u003c\/td\u003e\n\u003ctd\u003eHigh-density resin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReinforcement\u003c\/td\u003e\n\u003ctd\u003ePhosphor bronze core\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFerrule\u003c\/td\u003e\n\u003ctd\u003eWhite brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e181 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrientation\u003c\/td\u003e\n\u003ctd\u003eAmbidextrous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003eWooden presentation box\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\u003eDescription\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\u003eConforms to EU safety requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLFGB\u003c\/td\u003e\n\u003ctd\u003eApproved for food contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"FireForge Knives","offers":[{"title":"Default Title","offer_id":52946281464137,"sku":null,"price":734.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/2980\/0777\/files\/Max_1200_X_1200_-_2025-11-08T110100.005.jpg?v=1762610517"}],"url":"https:\/\/fireforgeknives.com\/collections\/ultra-high-hardness-platform.oembed","provider":"FireForge Knives ","version":"1.0","type":"link"}