Overview of Custom Medical Grade CoCr Tubes
Our custom sizes medical grade CoCr tubes are engineered from high-performance cobalt chromium alloys (including L605 and MP35N equivalents) to meet the exacting demands of today’s minimally invasive surgery and interventional devices. These seamless, precision-drawn hypotubes provide unmatched pushability, column strength, and durability in the smallest diameters, enabling thinner-walled designs without sacrificing performance. Ideal for manufacturers of catheter shafts, stent delivery systems, guidewires, and endoscopic tools, our cobalt chromium alloy tubing combines excellent corrosion resistance, high radiopacity under fluoroscopy, and proven long-term biocompatibility for both short-term interventional use and implantable applications.
Features of Medical Grade Precision Cobalt Chromium Alloy Tubing
Superior Mechanical Performance – Tensile strength 800–1500 MPa with excellent fatigue resistance and 10–34 % higher column strength/pushability than 304 stainless steel hypotubes, perfect for tortuous anatomy in minimally invasive instruments.
Enhanced Kink Resistance & Shape-Set Resilience – Maintains integrity in complex endovascular pathways and recovers shape after deployment, outperforming traditional stainless alloys in endoscopic and neurovascular tools.
High Radiopacity – Superior visibility under X-ray without additional markers, critical for precise placement in interventional cardiology and peripheral interventions.
Outstanding Corrosion Resistance & Biocompatibility – Chromium oxide passive layer plus medical-grade certification ensures safety for blood-contact and long-term implantation in cardiovascular and orthopedic devices.
Applications of Medical Grade CoCr Tubes in Minimally Invasive Surgery
Our custom CoCr tubes excel across the full spectrum of interventional and minimally invasive instruments: • Cardiovascular & Peripheral Interventions – Balloon-expandable stent tubing, catheter shafts, and delivery systems requiring high radial strength and radiopacity. • Neurovascular Devices – Thin-wall guide catheters, micro-catheters, and access systems demanding kink resistance and pushability in delicate anatomy.• Endoscopic & Laparoscopic Tools – Hypotube shafts for flexible instruments where superior column strength prevents buckling.• Orthopedic & Structural Heart – Sleeves and frames for minimally invasive joint implants and transcatheter heart valve components.• Specialty Needles & Robotic Instruments – High-hardness CoCr tubing for penetration performance and damage tolerance in robotic-assisted minimally invasive procedures.
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 Custom Sizes CoCr Tubes
Q1: What makes CoCr tubes better than stainless steel for minimally invasive instruments?
CoCr alloy tubing offers 11–19 % higher tensile and yield strength, significantly better pushability, kink resistance, and shape-set resilience than 304 stainless hypotubes, allowing thinner walls and more reliable performance in tortuous anatomy.
Q2: Are these medical grade CoCr tubes suitable for implantable interventional devices?
Yes – all material meets or exceeds ASTM F90 / F562 equivalents with full biocompatibility, corrosion resistance, and traceability required for FDA/CE Class II & III devices, including stents and endovascular components.
Q3: Do your cobalt chromium tubes offer high radiopacity for fluoroscopy-guided procedures?
Absolutely. CoCr’s inherent high radiopacity provides excellent visibility during interventional cardiology, neurovascular, and peripheral procedures without extra marker bands.
Q4: What certifications and quality standards apply to your medical CoCr tubes?
ISO 13485 certified manufacturing, material compliant with relevant ASTM and ISO implant standards, eddy-current testing, and complete lot traceability for regulatory submissions.
