X40Cr13 Stainless Steel Tube,Pipe,for medical instruments

X40Cr13 Stainless Steel Tube for medical instruments Product Information -:- For detailed product information, please contact sales. -: X40Cr13 Stainless Steel Tube for medical instruments Synonyms -:- For detailed product information, please contact sales. -:

X40Cr13 Stainless Steel for medical instruments Product Information -:- For detailed product information, please contact sales. -: # X40Cr13 Stainless Steel for Medical Instruments ## Overview X40Cr13 is a martensitic stainless steel widely used in the manufacture of medical and surgical instruments. Known for its excellent corrosion resistance, good hardness, and durability, it is particularly suitable for applications requiring sharp cutting edges and repeated sterilization. ## International Standards - **ISO 7153-1:** Surgical instruments – Materials – Part 1: Metals - **ASTM A276:** Standard Specification for Stainless Steel Bars and Shapes - **EN 10088-3:** Stainless steels – Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes - **UNS S42000:** Unified Numbering System designation ## Chemical Composition (Typical, % by weight) | Element | Content (%) | |---------|-------------| | Carbon (C) | 0.36–0.45 | | Chromium (Cr) | 12.0–14.0 | | Silicon (Si) | ≤ 1.00 | | Manganese (Mn) | ≤ 1.00 | | Phosphorus (P) | ≤ 0.040 | | Sulfur (S) | ≤ 0.030 | | Iron (Fe) | Balance | The high chromium content provides corrosion resistance, while the carbon content allows for hardening through heat treatment. ## Physical Properties (Annealed Condition) | Property | Value | |----------|-------| | Density | 7.75 g/cm³ | | Melting Point | ~1450 °C | | Thermal Conductivity | 30 W/m·K (at 20°C) | | Electrical Resistivity | 0.55 µΩ·m | | Modulus of Elasticity | 200 GPa | | Magnetic Properties | Magnetic (martensitic structure) | ## Mechanical Properties (After Hardening and Tempering) | Property | Value | |----------|-------| | Tensile Strength | 750–950 MPa | | Yield Strength (0.2% offset) | ≥ 550 MPa | | Elongation at Break | ~15% | | Hardness (Rockwell C) | 48–54 HRC | | Impact Toughness | ~25 J | ## Heat Treatment - **Annealing:** Heat to 750–800°C, slow cool. - **Hardening:** Austenitize at 980–1050°C, oil or air quench. - **Tempering:** Temper at 150–400°C to achieve desired hardness and toughness. - **Stress Relieving:** Recommended after machining to minimize distortion. ## Product Applications in Medical Field X40Cr13 is extensively used for: - **Surgical Cutting Instruments:** Scalpels, surgical blades, lancets, biopsy punches. - **Dental Instruments:** Dental probes, excavators, scalers. - **Orthopedic Instruments:** Bone chisels, osteotomes, rasps. - **Reusable Instruments:** Forceps, clamps, needle holders, scissors. - **General Medical Tools:** Surgical hooks, retractors, and dissecting instruments. The steel's ability to maintain a sharp edge, resist corrosion from bodily fluids and sterilization processes, and withstand mechanical stress makes it ideal for reusable medical devices. ## Corrosion Resistance X40Cr13 offers good resistance to: - Atmospheric corrosion - Mild chemicals and disinfectants - Steam and autoclave sterilization (repeated cycles) - Weak organic acids It is less resistant to chloride-containing environments compared to austenitic grades (e.g., 304, 316) and should be properly passivated and maintained. ## Machinability and Fabrication - **Machinability:** Fair; improved with annealing. Use sharp tools and adequate cooling. - **Forging:** Heat to 1050–1100°C, forge, then anneal. - **Welding:** Possible with pre- and post-heating, but not commonly welded for instruments. Often joined by mechanical methods. - **Surface Finishing:** Can be polished to a high gloss, which improves cleanability and corrosion resistance. ## Advantages for Medical Use 1. **High Hardness and Wear Resistance:** Maintains sharp cutting edges. 2. **Good Corrosion Resistance:** Suitable for contact with biological tissues and sterilization. 3. **Cost-Effective:** More affordable than higher-alloy steels while meeting many medical requirements. 4. **Ease of Sterilization:** Withstands repeated autoclaving without significant degradation. 5. **Proven Biocompatibility:** Widely accepted for instruments not intended for long-term implantation. ## Quality Assurance Medical-grade X40Cr13 must comply with strict standards: - Traceability of material batches - Controlled non-metallic inclusions - Freedom from surface defects - Certification to relevant ISO, ASTM, or EN standards - Often supplied with a material test certificate (3.1 or 3.2 per EN 10204) ## Conclusion X40Cr13 stainless steel is a reliable, cost-effective material for a wide range of medical and surgical instruments. Its balanced properties of hardness, corrosion resistance, and manufacturability make it a preferred choice for reusable devices that require sharpness, durability, and the ability to withstand rigorous sterilization protocols. When properly heat-treated and finished, it provides excellent performance in demanding medical environments. -:- For detailed product information, please contact sales. -: X40Cr13 Stainless Steel for medical instruments Specification Dimensions Size： Diameter 20-1000 mm Length <7405 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. -: X40Cr13 Stainless Steel for medical instruments Properties -:- For detailed product information, please contact sales. -:

Applications of X40Cr13 Stainless Steel Tube for medical instruments -:- For detailed product information, please contact sales. -: Chemical Identifiers X40Cr13 Stainless Steel Tube for medical instruments -:- For detailed product information, please contact sales. -:

Packing of X40Cr13 Stainless Steel Tube 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 Tube 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 3876 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