{"product_id":"utility-knife-140mm-tricolour-multimetal-aurelia","title":"Utility Knife 140 mm — Laminated Multimetal Construction | Aurelia Series","description":"\u003cp data-start=\"128\" data-end=\"406\"\u003eThis 140 mm utility knife is configured for precision preparation tasks where control and manoeuvrability are prioritised over cutting length. Within the Aurelia Series, performance is defined by laminated multimetal construction, ensuring consistent behaviour across the range.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1vhiqvg\" data-start=\"413\" data-end=\"442\"\u003eEngineering and Materials\u003c\/h3\u003e\n\u003cp data-start=\"444\" data-end=\"637\"\u003eThe blade is built around a 12Cr18MoV stainless steel core, heat treated to 58–60 HRC. This steel provides high corrosion resistance, structural stability, and predictable sharpening behaviour.\u003c\/p\u003e\n\u003cp data-start=\"639\" data-end=\"870\"\u003eAt this hardness level, edge retention is moderate—above standard stainless steels but below high-hardness or powder metallurgy steels. The benefit is improved toughness and reduced risk of edge damage during fine, controlled work.\u003c\/p\u003e\n\u003cp data-start=\"872\" data-end=\"1136\"\u003eThe 37-layer laminate integrates 316L stainless steel with copper and brass. These outer layers serve as structural cladding and do not influence cutting performance. Copper and brass elements are reactive and will develop surface oxidation if not dried after use.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1qnzxi5\" data-start=\"1143\" data-end=\"1165\"\u003eBlade Architecture\u003c\/h3\u003e\n\u003cp data-start=\"1167\" data-end=\"1298\"\u003eWith a blade thickness class around ~2.1 mm and a height of 31.5 mm, the geometry is optimised for low resistance and high control.\u003c\/p\u003e\n\u003cp data-start=\"1300\" data-end=\"1512\"\u003eThe narrow profile combined with moderate edge curvature allows precise tracking during trimming and slicing tasks. The shorter blade length (140 mm) increases manoeuvrability in confined or detail-oriented work.\u003c\/p\u003e\n\u003cp data-start=\"1514\" data-end=\"1631\"\u003eEdge geometry at 13–15° per side provides efficient cutting while maintaining edge stability within its intended use.\u003c\/p\u003e\n\u003ch3 data-section-id=\"bs6y6o\" data-start=\"1638\" data-end=\"1662\"\u003eFunctional Behaviour\u003c\/h3\u003e\n\u003cp data-start=\"1664\" data-end=\"1778\"\u003eCutting resistance is low due to reduced blade height and thin grind, allowing precise control with minimal force.\u003c\/p\u003e\n\u003cp data-start=\"1780\" data-end=\"1938\"\u003eEdge stability is consistent for small-scale tasks such as trimming and portioning, but the blade is not designed for impact, bone contact, or lateral stress.\u003c\/p\u003e\n\u003cp data-start=\"1940\" data-end=\"2056\"\u003eCorrosion resistance is high at the core level; however, exposed copper and brass require drying to limit oxidation.\u003c\/p\u003e\n\u003cp data-start=\"2058\" data-end=\"2166\"\u003eSharpening is straightforward and responsive, with faster material feedback compared to high-carbide steels.\u003c\/p\u003e\n\u003ch3 data-section-id=\"14z7251\" data-start=\"2173\" data-end=\"2195\"\u003eHandle Engineering\u003c\/h3\u003e\n\u003cp data-start=\"2197\" data-end=\"2320\"\u003eThe octagonal wa-style handle in figured sycamore with padauk burl accents provides neutral grip indexing and fine control.\u003c\/p\u003e\n\u003cp data-start=\"2322\" data-end=\"2505\"\u003eLower mass and shorter overall length position balance near the blade–handle transition, improving responsiveness in detail work. Wood construction requires basic moisture management.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1vb2tjh\" data-start=\"2512\" data-end=\"2537\"\u003eManufacturing Process\u003c\/h3\u003e\n\u003cp data-start=\"2539\" data-end=\"2687\"\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-start=\"2689\" data-end=\"2877\"\u003eHeat treatment is applied to the core to achieve a balance between hardness and toughness. The process prioritises structural cohesion across dissimilar metals over maximum edge retention.\u003c\/p\u003e\n\u003ch3 data-section-id=\"zzdsyy\" data-start=\"2884\" data-end=\"2902\"\u003eFunctional Use\u003c\/h3\u003e\n\u003cp data-start=\"2904\" data-end=\"2921\"\u003e\u003cstrong data-start=\"2904\" data-end=\"2921\"\u003eDesigned for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2922\" data-end=\"3042\"\u003e\n\u003cli data-section-id=\"1j22mbs\" data-start=\"2922\" data-end=\"2957\"\u003ePrecision vegetable preparation\u003c\/li\u003e\n\u003cli data-section-id=\"94ruwh\" data-start=\"2958\" data-end=\"2985\"\u003eFruit work and trimming\u003c\/li\u003e\n\u003cli data-section-id=\"f3focd\" data-start=\"2986\" data-end=\"3014\"\u003eSmall protein portioning\u003c\/li\u003e\n\u003cli data-section-id=\"kjw57s\" data-start=\"3015\" data-end=\"3042\"\u003eDetail-oriented cutting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3044\" data-end=\"3065\"\u003e\u003cstrong data-start=\"3044\" data-end=\"3065\"\u003eNot designed for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3066\" data-end=\"3119\"\u003e\n\u003cli data-section-id=\"vff2yg\" data-start=\"3066\" data-end=\"3082\"\u003eBone cutting\u003c\/li\u003e\n\u003cli data-section-id=\"axa54w\" data-start=\"3083\" data-end=\"3098\"\u003eFrozen food\u003c\/li\u003e\n\u003cli data-section-id=\"av1qi4\" data-start=\"3099\" data-end=\"3119\"\u003eImpact 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\u003eUtility Knife\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Length\u003c\/td\u003e\n\u003ctd\u003e140 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Length\u003c\/td\u003e\n\u003ctd\u003e277 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Thickness\u003c\/td\u003e\n\u003ctd\u003e2.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Height\u003c\/td\u003e\n\u003ctd\u003e31.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e80 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\u003e13–15° per side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTip Angle\u003c\/td\u003e\n\u003ctd\u003e38°\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 + Acacia Wood Box","offer_id":52946282742089,"sku":"14:10#steak knife;200007763:201336100","price":230.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/2980\/0777\/files\/Max_1200_X_1200_-_2025-11-08T095325.186.jpg?v=1762606467","url":"https:\/\/fireforgeknives.com\/products\/utility-knife-140mm-tricolour-multimetal-aurelia","provider":"FireForge Knives ","version":"1.0","type":"link"}