Sandvik,13C23; Razor blade Steel Foil/Strip Strip

Sandvik 13C23; Razor blade Steel Foil Strip Product Information -:- For detailed product information, please contact sales. -: Sandvik 13C23; Razor blade Steel Foil Strip Synonyms -:- For detailed product information, please contact sales. -:

Sandvik 13C23; Razor blade steel Strip Product Information -:- For detailed product information, please contact sales. -: ## **Sandvik 13C23 Razor Blade Steel Strip – Ultra-Precision Martensitic Stainless Steel for Supreme Edge Applications** ### **Product Overview** Sandvik 13C23 is a proprietary **ultra-high-precision martensitic stainless steel** strip engineered specifically for the most demanding edge applications, most notably premium razor blades. Developed through Sandvik's advanced metallurgical and precision rolling technologies, this grade represents the pinnacle of **edge sharpness, edge stability, and corrosion resistance** in a hardened strip. It is designed to be formed, heat-treated, and coated to achieve a cutting edge that is atomically keen, durable, and resistant to shaving-induced corrosion. ### **Key Advantages** * **Unparalleled Edge Sharpness:** Extremely fine and uniform carbide structure allows for the formation of a consistently razor-sharp, stable edge apex. * **Superior Edge Retention:** Maintains sharpness over multiple uses due to high attainable hardness and wear resistance. * **Excellent Corrosion Resistance:** Specifically formulated to withstand the corrosive environment of shaving (water, soap, skin oils, and oxidation) without degrading the edge. * **Exceptional Strip Quality:** Features mirror-like surface finish, flawless flatness, and ultra-tight thickness tolerances (±0.001mm or better) critical for high-speed automated blade production. * **Optimal Coatings Substrate:** The pristine surface and consistent microstructure provide an ideal foundation for advanced edge coatings (e.g., PTFE, chromium, diamond-like carbon). ### **Chemical Composition (Typical, wt%)** The chemistry is meticulously balanced to form a fine martensitic matrix with minimal but optimally sized carbides. | Element | Content (%) | Element | Content (%) | | :--- | :--- | :--- | :--- | | **Carbon (C)** | 0.68 | **Chromium (Cr)** | 13.30 | | **Silicon (Si)** | 0.40 | **Manganese (Mn)** | 0.45 | | **Molybdenum (Mo)** | 0.10 | **Sulfur (S)** | ≤ 0.002 (Ultra-Low) | | **Phosphorus (P)** | ≤ 0.020 | **Iron (Fe)** | Balance | **Critical Note:** The precise carbon and chromium balance, along with ultra-low sulfur, is essential for creating the fine, hard martensite and chromium carbides necessary for the blade's performance, while minimizing inclusion-based edge defects. ### **Physical & Mechanical Properties** #### **Properties in Annealed Condition (as supplied strip):** * **Density:** 7.7 g/cm³ * **Hardness:** ~190 HB * **Tensile Strength:** ~700 MPa * **Microstructure:** Spheroidized carbide structure for optimal formability prior to hardening. #### **Properties after Final Hardening & Tempering (for blade application):** * **Final Hardness:** **Typically 580 - 630 HV (≈56-58 HRC)**. *Note: Razor blade hardness is often measured in HV for precision on thin edges.* * **Tensile Strength:** 2100 – 2300 MPa * **Elastic Limit:** Exceptionally high, allowing the thin edge to flex without permanent deformation. * **Fatigue Resistance:** Excellent, to withstand cyclic micro-stresses during use. #### **Corrosion Resistance:** * Engineered specifically for wet-shave environments. Superior to many standard stainless grades in resisting pitting and edge oxidation caused by soap and water. ### **International Standards & Approvals** Sandvik 13C23 is a highly specialized, proprietary grade developed specifically for the razor blade industry. * **Primary Specification:** **Sandvik 13C23** is the defining industry standard for premium razor blade steel. * **General Classification:** Falls within the family of martensitic stainless cutlery steels. * **Comparable/Related Standards:** * **EN / Euronorm:** Similar to but more precise than 1.4028 (X30Cr13). * **AISI:** Loosely analogous to a modified 420HC or 440A, but with significantly tighter controls. * **Industry Recognition:** The grade name **13C23** is globally recognized and specified by leading razor blade manufacturers worldwide. ### **Product Applications** The primary and optimized application is **razor blades**, but its properties make it suitable for other ultra-precision edges. * **Primary Application:** * **Premium disposable razor blade strips** (twin, triple, quadruple, quintuple blades) * **System razor blades** (cartridge inserts) * **Single-edge industrial razor blades** * **Secondary Precision Applications:** * **Surgical Scalpels and Microtome Blades:** Where extreme sharpness and sterility are required. * **Precision Cutting Tools:** For electronics (e.g., flex circuit cutting), film slitting, and sample preparation. * **High-End Craft & Hobby Blades:** For model building and precision crafts. ### **Processing Guidelines for Blade Manufacture** The processing of 13C23 is a highly controlled, multi-step procedure: 1. **Forming (Annealed State):** The strip is stamped/blanked into blade profiles using precision progressive dies. 2. **Heat Treatment:** * **Austenitizing:** In controlled atmosphere furnaces at ~1060-1080°C. * **Quenching:** Rapid cooling (typically gas or specialized quench) to achieve full martensitic transformation. * **Tempering:** Low-temperature tempering (~150-200°C) to relieve stresses and achieve the final balance of hardness and toughness. 3. **Edge Grinding & Honing:** The cutting edge is created through a series of精密磨削 (precision grinding), stropping, and honing operations to achieve a micron-level sharp edge. 4. **Coating:** Edges are typically coated with layers such as **Chromium (Cr)** for corrosion resistance and **Polytetrafluoroethylene (PTFE)** or other polymers for lubricity and comfort. 5. **Assembly & Packaging:** Blades are assembled into cartridges or packaged under sterile/clean conditions. ### **Availability** Supplied as world's highest quality cold-rolled strip for precision blade making. * **Thickness:** Ultra-thin gauges, typically **0.060 mm to 0.150 mm** (60-150 microns), with extraordinary tolerance control. * **Width:** As required, typically slitted to precise widths for multi-blade production. * **Condition:** Soft Annealed, with a flawless, bright (mirror) finish. * **Dimensional Tolerances:** Meets or exceeds the most stringent razor industry specifications for thickness, width, flatness (camber), and surface roughness. --- **Confidentiality Note:** The exact processing parameters (heat treatment cycles, coating formulations) are often proprietary to the blade manufacturer and are the result of extensive R&D. This datasheet describes the base material. **Technical Collaboration:** Successful use of Sandvik 13C23 requires deep collaboration between Sandvik's metallurgists and the blade manufacturer's engineers to optimize the entire value chain from strip to finished blade. Sandvik provides extensive technical support for this purpose. -:- For detailed product information, please contact sales. -: Sandvik 13C23; Razor blade steel Strip Specification Dimensions Size： Diameter 20-1000 mm Length <7443 mm Size:We can customized as required Standard： Per your request or drawing We can customized as required Properties（Theoretical） Chemical Composition -:- For detailed product information, please contact sales. -: Sandvik 13C23; Razor blade steel Strip Properties -:- For detailed product information, please contact sales. -:

Applications of Sandvik 13C23; Razor blade Steel Foil Strip -:- For detailed product information, please contact sales. -: Chemical Identifiers Sandvik 13C23; Razor blade Steel Foil Strip -:- For detailed product information, please contact sales. -:

Packing of Sandvik 13C23; Razor blade Steel Foil/Strip Strip -:- For detailed product information, please contact sales. -: Standard Packing: -:- For detailed product information, please contact sales. -: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and Steel Foil/Strip drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 3914 gallon liquid totes Special package is available on request. E FORUs’ is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition