{"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":461.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/2980\/0777\/files\/1_cf28a43f-1a9b-47e4-b05f-e5edb9e4c93b.jpg?v=1777641125","url":"https:\/\/fireforgeknives.com\/products\/zdp189-utility-141mm-49-layer","provider":"FireForge Knives ","version":"1.0","type":"link"}