X15Cr13 Stainless Steel Flange,for medical instruments

1,We Manufacturing processes are primarily classified into four types: 1:Forging, 2:Casting, 3:Cutting, 4:Rolling. 2,We can manufacture in accordance with these standards. Standards: GB Series (Chinese Standards), JB Series (Machinery Standards), HG Series (Chemical Industry Standards), ASME B16.5 (American Standards), BS4504 (British Standards), DIN (German Standards), and JIS (Japanese Standards). Internationally, there are two primary systems of pipe flange standards: the European system, represented by the German DIN standards (including those of the former Soviet Union), and the American system, represented by the US ANSI pipe flange standards. Other common standards include: the Chinese Ministry of Machinery Industry standards (JB series), the Ministry of Chemical Industry standards (HG series), the Chinese National Standard *GB/T 9112–9124-2010 Steel Pipe Flanges*, as well as US standards (ASME B16.5), British standards (BS4504), German standards (DIN), Japanese standards (JIS), and marine standards (CBM), among others. The nominal pressure ratings for the PN series are designated by "PN" and comprise the following nine levels: PN2.5, PN6, PN10, PN16, PN25, PN40, PN63, PN100, and PN160. The nominal pressure ratings for the Class series are designated by "Class" and comprise the following six levels: Class150, Class300, Class600, Class900, Class1500, and Class2500. Flange Classification 1. **According to Chemical Industry Standards:** Flanges are classified as follows: Plate Flat Welding Flange (PL), Necked Flat Welding Flange (SO), Necked Butt Welding Flange (WN), Integral Flange (IF), Socket Welding Flange (SW), Threaded Flange (Th), Butt Welding Ring Loose Flange (PJ/SE), Blind Flange (BL), Flat Welding Ring Loose Flange (PJ/PJ), and Lined Blind Flange (BL(s)). 2. **According to Petrochemical (SH) Industry Standards:** Flanges are classified as follows: Threaded Flange (PL), Butt Welding Flange (WN), Flat Welding Flange (SO), Socket Welding Flange (SW), Loose Flange (LJ), and Blind Flange (no specific designation). 3. **According to Machinery (JB) Industry Standards:** Flanges are classified as follows: Integral Flange, Butt Welding Flange, Plate Flat Welding Flange, Butt Welding Ring Plate Loose Flange, Flat Welding Ring Plate Loose Flange, Lap Joint Ring Plate Loose Flange, and Blind Flange. 4. **According to Connection Method/Type:** Flanges are classified as follows: Plate Flat Welding Flange, Necked Flat Welding Flange, Necked Butt Welding Flange, Socket Welding Flange, Threaded Flange, Blind Flange, Necked Butt Welding Ring Loose Flange, Flat Welding Ring Loose Flange, Ring-Type Joint (RTJ) Flange and Blind Flange, Large-Diameter Plate Flange, Large-Diameter High-Neck Flange, Figure-8 Blind Plate, Butt Welding Ring Loose Flange, etc. 5. **According to the Component Being Connected:** Flanges can be classified into Vessel Flanges and Pipe Flanges. 6. **According to Structural Type:** Flanges include Integral Flanges, Threaded Flanges, Flat Welding Flanges, Butt Welding Flanges, Lap Joint (Loose/Swivel) Flanges, and Blind Flanges. A flange—also referred to as a flange plate or rim—is a component used to connect shafts to one another, or, more commonly, to join the ends of pipes. Flanges are also utilized at the inlet and outlet ports of equipment to facilitate connections between two devices—for instance, the flange on a speed reducer. A "flange connection" or "flanged joint" refers to a detachable joint assembly comprising three interconnected elements—a flange, a gasket, and bolts—that together form a sealed structural unit. In the context of piping systems, a "pipe flange" specifically denotes a flange used for plumbing within the installation; when applied to equipment, it refers to the inlet or outlet flange of that specific device. Flanges feature a series of holes through which bolts are inserted to securely fasten the two flanges together, while a gasket placed between the flanges ensures a leak-proof seal. Flanges are broadly categorized into three types: threaded (screw-in) flanges, welded flanges, and clamp-type flanges. Flanges are invariably used in pairs; threaded flanges are suitable for low-pressure piping applications, whereas welded flanges are required for systems operating at pressures exceeding 4 kilograms per square centimeter. A sealing gasket is inserted between the two flange plates, which are then firmly secured using bolts. The thickness of a flange—as well as the specifications of the bolts used to fasten it—vary depending on the specific pressure rating required for the application. When connecting equipment such as water pumps or valves to piping systems, the corresponding connection points on these devices are often manufactured in the shape of a matching flange; this method of attachment is also referred to as a "flange connection." Generally, any connecting component that utilizes bolts to join and seal the perimeters of two flat surfaces—such as the joints in ventilation ducts—is termed a "flange"; such components may collectively be classified as "flange-type parts." However, since such a connection often constitutes merely a *portion* of a larger device—for instance, the interface between a flange and a water pump—it would be inappropriate to classify the entire water pump itself as a "flange-type part." Conversely, smaller components—such as valves—that feature such flanged interfaces may indeed be appropriately categorized as "flange-type parts." -:- For detailed product information, please contact sales. -: X15Cr13 Stainless Steel Flange for medical instruments Product Information -:- For detailed product information, please contact sales. -: X15Cr13 Stainless Steel Flange for medical instruments Synonyms -:- For detailed product information, please contact sales. -:

X15Cr13 Stainless Steel for medical instruments Product Information -:- For detailed product information, please contact sales. -: ### **Product Name:** X15Cr13 Stainless Steel for Medical Instruments **Classification:** High-Carbon Martensitic Stainless Steel (Premium Instrument Grade) --- ### **1. Overview** X15Cr13 is a **high-carbon martensitic stainless steel** specifically refined for the manufacture of premium medical, dental, and surgical instruments that demand superior **edge retention, wear resistance, and hardness**. As a higher-carbon variant of the standard X10Cr13/410 series, it offers enhanced capability to achieve and maintain a higher hardness level after heat treatment. This grade represents a classic "cutlery steel" chemistry optimized for instrument applications where sharpness, durability, and precision are paramount for reusable tools subjected to repeated sterilization cycles. ### **2. Chemical Composition (Weight %, according to EN 10088-3)** Composition is precisely controlled to maximize hardenability and carbide formation while maintaining polishability. | Element | Minimum (%) | Maximum (%) | Notes | |---------|------------|------------|-------| | **Carbon (C)** | 0.13 | 0.20 | **The key differentiator from X10Cr13.** Higher carbon content enables higher attainable hardness and greater carbide volume, directly improving edge retention and wear resistance. | | **Chromium (Cr)** | 12.0 | 14.0 | Provides the fundamental corrosion resistance for a stainless steel. The 13% level offers good resistance to sterilization, cleaning agents, and bodily fluids but is not for implant use. | | **Silicon (Si)** | ≤ 1.00 | | Deoxidizer; contributes to strength. | | **Manganese (Mn)** | ≤ 1.00 | | Aids in deoxidation and hot workability. | | **Phosphorus (P)** | ≤ 0.040 | | Impurity, kept low. | | **Sulfur (S)** | ≤ 0.015 (often ≤ 0.003 for medical) | | Impurity. Very low levels are specified for medical grades to improve polishability and reduce inclusions. | | **Molybdenum (Mo)** | *Optional/Trace* | | Not standard in the basic grade, but may be present in modified versions for enhanced properties. | | **Iron (Fe)** | Balance | | | **Key Feature:** The elevated carbon content (0.13-0.20% vs. 0.08-0.15% in X10Cr13) is the primary factor enabling higher as-quenched hardness and better wear performance. ### **3. Physical & Mechanical Properties** *Properties are highly dependent on the precise hardening and tempering process.* **Typical Heat Treatment:** * **Annealed Condition:** ~ 200 HB (for machining/forming) * **Hardening:** Austenitize at **1000-1050°C**, followed by oil quenching or air cooling. * **Tempering:** Performed between **200-400°C** to achieve the optimal balance of hardness and toughness for the specific instrument. **Mechanical Properties (After Hardening & Tempering):** * **Tensile Strength (Rm):** 850 - 1100 MPa * **Yield Strength (Rp0.2):** 650 - 900 MPa * **Elongation (A):** 8% - 12% * **Hardness Range (typical after HT):** * **Critical Cutting Edges (Scalpels, Micro-scissors):** **54 - 60 HRC** (Can achieve the upper end of this range more reliably than X10Cr13) * **Heavy-Duty Cutting & Gripping (Bone cutters, needle holders):** 48 - 54 HRC * **General Purpose Instruments:** 45 - 50 HRC * **Modulus of Elasticity:** ~215 GPa **Physical Properties (Typical):** * **Density:** 7.7 g/cm³ * **Thermal Conductivity:** ~24 W/m·K * **Coefficient of Thermal Expansion:** 10.5 x 10⁻⁶ /K (20-100°C) * **Magnetic:** **Yes.** Fully magnetic due to its martensitic structure. ### **4. Key Characteristics** * **Superior Edge Retention & Hardness:** The higher carbon content allows the formation of more martensite and harder carbides, resulting in sharper, longer-lasting cutting edges that require less frequent re-sharpening. * **Enhanced Wear Resistance:** Improved resistance to abrasive wear compared to lower-carbon martensitic grades, beneficial for instruments like bone rasps, reamers, or those contacting hard tissues. * **Good Corrosion Resistance:** Suitable for repeated sterilization (autoclaving, chemical disinfection) and exposure to organic fluids. Not for permanent implantation or constant saline immersion. * **Excellent Polishability:** Capable of achieving a high-luster, mirror-like finish, which reduces tissue adhesion and facilitates cleaning. * **High Strength & Stiffness:** Provides the necessary rigidity for precision surgical tools. * **Slightly Reduced Toughness:** Compared to X10Cr13 at the same hardness level, the higher carbon content can marginally decrease toughness/ductility, a trade-off managed through proper tempering. ### **5. Product Applications** X15Cr13 is selected for high-performance, reusable surgical and dental instruments where edge durability is critical: * **Premium Surgical Blades & Scalpels:** Where maximum sharpness and edge longevity are required. * **Microsurgical Scissors & Forceps:** For ophthalmic, neurosurgical, or plastic surgery. * **Orthopedic Cutting Instruments:** Osteotomes, bone chisels, saw blades. * **Dental Surgical Instruments:** Scalers, curettes, elevators, extraction forceps. * **High-Quality Dissecting Scissors & Needle Holders.** * **Veterinary Surgical Instruments.** ### **6. International Standards & Specifications** | Region/System | Standard & Designation | Scope / Notes | |---------------|----------------------|---------------| | **European (EN)** | **EN ISO 7153-1** | Primary standard for materials for surgical instruments. Lists martensitic steels with specified properties; X15Cr13 chemistry falls within the scope for high-carbon variants. | | **European (EN)** | **EN 10088-3** | Technical delivery conditions for stainless steels. The grade is conceptually aligned with higher-carbon variants of **1.4021** or similar designations, though exact numbering may vary by supplier. | | **ISO** | **ISO 7153-1** | Identical to EN ISO 7153-1. | | **USA / ASTM** | **ASTM A582 (Type 420)** | **Type 420** is the closest UNS/ASTM equivalent, typically with C ≥ 0.15%. | | **UNS** | **UNS S42000** | For Type 420 stainless steel. | | **Germany (DIN)** | Often referenced under **1.4021** or similar ranges. | Material numbers can be supplier-specific for instrument-quality steels. | | **Common Names** | **"420 Surgical Steel"**, **"High-Carbon Instrument Steel"** | | **Critical Note:** For medical instruments, material is often supplied to **manufacturer's proprietary specifications** that refine the standard chemistry (e.g., tighter S/P control, specific grain size requirements) and are accompanied by stringent metallurgical and certification requirements. ### **7. Available Forms & Processing** * **Standard Forms:** Round bar, flat bar, wire, strip, and sheet – supplied in the **soft annealed** condition. * **Fabrication Process Flow:** 1. **Machining/Forging:** Performed in the annealed state. 2. **Hardening & Tempering:** The most critical step. Requires precise temperature control to avoid excessive grain growth or retained austenite. Tempering is essential to relieve stresses and set final hardness/toughness. 3. **Finishing:** Precision grinding, mechanical polishing, electropolishing, passivation (typically in nitric acid), and final edge honing. 4. **Cleaning, Sterilization Validation, and Packaging.** ### **8. Selection Rationale** **Choose X15Cr13 over X10Cr13 when:** * The instrument design **demands the highest possible edge retention** (e.g., microsurgical tools, scalpels for multiple uses). * **Wear resistance is a primary concern** (e.g., instruments contacting bone or calcified tissue). * The manufacturing process can accommodate the **slightly more critical heat treatment** required for higher-carbon steel. **Consider alternatives (e.g., X39CrMo17-1 / 1.4125) when:** * **Corrosion resistance needs to be significantly higher** (e.g., for instruments used in lengthy procedures or exposed to more aggressive environments). * A better combination of **high hardness and toughness** is required, as provided by molybdenum-containing martensitic grades. --- **Disclaimer:** This datasheet provides general technical information. The manufacture of medical devices is strictly regulated. All materials must be **biocompatible** for their intended use, and the entire manufacturing process (including heat treatment and finishing) must be validated under quality management systems (e.g., ISO 13485, FDA QSR). Material should be procured with certifications meeting **EN ISO 7153-1** or equivalent medical device material standards. Final instrument performance is critically dependent on precise and validated manufacturing processes. -:- For detailed product information, please contact sales. -: X15Cr13 Stainless Steel for medical instruments Specification Dimensions Size： Diameter 20-1000 mm Length <7403 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. -: X15Cr13 Stainless Steel for medical instruments Properties -:- For detailed product information, please contact sales. -:

Applications of X15Cr13 Stainless Steel Flange for medical instruments -:- For detailed product information, please contact sales. -: Chemical Identifiers X15Cr13 Stainless Steel Flange for medical instruments -:- For detailed product information, please contact sales. -:

Packing of X15Cr13 Stainless Steel Flange for medical instruments -:- 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 Flange 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 3874 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