Overview of MP35N Cobalt Chrome Alloy Tube
The MP35N Cobalt Chrome Alloy Tube is the premium material solution engineered specifically for next-generation minimally invasive interventional instruments. This nickel-cobalt-chromium-molybdenum superalloy (ASTM F562) delivers ultra-high tensile strength up to 300 ksi (2068 MPa), exceptional fatigue resistance, and outstanding corrosion resistance in physiological environments. Its proven biocompatibility, non-magnetic properties, and ability to form thinner-walled precision hypotubes make it the ideal choice for catheter shafts, guidewires, stent delivery systems, and other advanced endovascular tools, enabling safer, more effective minimally invasive procedures across cardiovascular, neurovascular, and orthopedic applications.

Features of MP35N High-Strength Biocompatible Medical Hypotubes
Superior Strength & Durability — High modulus and tensile properties for enhanced radial force in balloon expandable stent tubing and kink-resistant catheter hypotubing.
Excellent Corrosion Resistance — Chromium-rich passive oxide layer protects against physiological degradation in minimally invasive interventional devices.
Outstanding Biocompatibility — Proven safety profile in long-term implant applications, including cardiovascular stents and endovascular components.
High Radiopacity — Enhanced visibility under X-ray/fluoroscopy for precise placement in interventional cardiology and peripheral vascular procedures.
Precision Tolerances & Thin Walls — Tight OD/ID control and ultra-thin walls (down to 0.05mm+) enable low-profile minimally invasive catheter systems and guidewire tubing.
Fatigue & Fracture Resistance — Optimized for cyclic loading in dynamic vascular interventional instruments.
Customizable Dimensions — Available in various outer diameters, wall thicknesses, and surface finishes to meet specific endovascular device requirements.


Applications of MP35N Cobalt Chrome Alloy Tube
Our CoCr alloy tubing is specifically designed for advanced interventional cardiology and minimally invasive surgical instruments, including:
Cardiovascular stent manufacturing — Hypotubing base material for drug-eluting stents and bare-metal stents requiring high radial strength.
Guidewire and catheter shafts — Core tubing for coronary guidewires, peripheral guidewires, and diagnostic/therapeutic catheters.
Endovascular delivery systems — Low-profile components for balloon catheters, sheaths, and valve delivery devices.
Neurovascular and peripheral interventions — Precision tubing for micro-catheters and embolization devices.
Other minimally invasive tools — Structural elements in orthopedic navigation instruments or hybrid interventional devices.

ABOUT US
Victory Alloy Co., Ltd. is a professional manufacturer specializing in medical alloy materials, with a dedicated focus on the research, development and production of high-performance biomedical alloys.
Our primary product range includes medical-grade titanium alloys, Nitinol (nickel-titanium alloy), cobalt-chromium (CoCr) alloys, platinum-iridium (Pt-Ir) alloys, and medical stainless steel. These high-quality alloys are widely applied in a broad spectrum of medical fields, such as cardiovascular stents, orthopedic implants, interventional guidewires, dental implants, surgical instruments, and disposable medical auxiliary devices. Boasting outstanding biocompatibility, strong corrosion resistance and excellent mechanical properties, our products have won consistent praise from customers across the board.

Client Visits
We welcome client visits to showcase our manufacturing and testing processes. Clients can explore our facility, discuss specific needs, and learn about our quality control methods. Our team ensures a personalized experience to meet your exact requirements for medical applications.

Our Factory

Quality Testing of the Product
Our product undergoes strict testing for tensile strength, corrosion resistance, and biocompatibility to ensure reliable performance in joint implants. We use advanced methods to verify its safety and durability, and all products meet international medical standards for consistent, long-term use in the body.


FAQs on CoCr Tubing for Interventional Devices
1.What makes MP35N the preferred cobalt chrome alloy for medical hypotubes in interventional instruments?
MP35N combines ultra-high strength (2× stainless steel), superior corrosion resistance, and full ASTM F562 biocompatibility, enabling thinner, more flexible tubing for safer minimally invasive procedures.
2.Is MP35N Cobalt Chrome Alloy Tube suitable for long-term implantation in endovascular devices?
Yes. Its excellent biocompatibility, fatigue resistance, and resistance to physiological corrosion make it ideal for permanent implants such as stents, pacing leads, and orthopedic components.
3.How does MP35N tubing compare to stainless steel or Nitinol in minimally invasive catheter applications?
MP35N offers higher strength for thinner walls than stainless steel and better torqueability/fatigue life than Nitinol in many high-load interventional scenarios, while maintaining non-magnetic properties.
4.What sizes and custom specifications are available for MP35N precision medical tubing?
We supply seamless drawn tubes from 0.2 mm to 10 mm OD, ultra-thin walls down to 0.05 mm, with custom tolerances, lengths, and surface finishes tailored for specific interventional and minimally invasive tool designs.
5.Can MP35N alloy tubes withstand repeated sterilization and harsh clinical environments?
Absolutely. It exhibits outstanding resistance to autoclave, EtO, gamma, and plasma sterilization, plus excellent performance in saline, blood, and chloride-rich environments typical of interventional procedures.








