Medical Stainless Steel Tubes, Cannulated Bars

Medical stainless steel Cannulated Bars are precision-manufactured to meet the rigorous requirements of the healthcare industry, integrating exceptional biocompatibility, corrosion resistance, and mechanical strength. Crafted from high-quality medical-grade stainless steel alloys, these tubes are designed to ensure safety, reliability, and long-term performance in critical medical applications.

Technical Specifications

ItemSpecification
Material Grade316LVM, 1.4441, 304, 17-4 PH (medical-grade stainless steel); Customizable according to requirements
Outer Diameter (OD)0.5mm - 50mm (precision tolerance: ±0.01mm)
Wall Thickness (WT)0.05mm - 5mm (uniform wall thickness, tolerance: ±0.005mm)
Length100mm - 6000mm (customizable cutting length, tolerance: ±1mm)
Surface FinishPolished (Ra ≤ 0.2μm), Pickled & Passivated, Sandblasted; Sanitary surface to prevent bacterial adhesion
Heat TreatmentSolution annealing (temperature: 1050℃ - 1150℃), quenching and tempering; Ensures uniform microstructure and mechanical properties
Mechanical PropertiesTensile strength: ≥480MPa; Yield strength: ≥170MPa; Elongation: ≥40%
Corrosion ResistancePassed salt spray test (≥720 hours); Resistant to body fluids, disinfectants, and common medical chemicals
BiocompatibilityComplies with ISO 10993; Non-toxic, non-irritating, no allergic reaction with human tissue
CertificationsISO 13485, ASTM F138/F139, CE, FDA

Applications

  • Surgical instruments (laparoscopic tools, forceps shafts)

  • Diagnostic equipment (endoscope components, biopsy needles)

  • Implantable devices (orthopedic fixation rods, dental abutments)

  • Medical fluid delivery systems (infusion sets, catheter lumens)

Quality Assurance & Certification

We are committed to delivering the highest quality stainless steel tubes, adhering to strict international standards and rigorous quality control processes. Our manufacturing system holds valid certifications for ISO 9001, ISO 13485.

Every batch of materials undergoes comprehensive testing by 3rd party laboratory, including chemical composition analysis, mechanical property testing (tensile strength, yield strength, elongation), corrosion resistance testing, and surface quality inspection, ensuring consistent performance and reliability.

  • ISO 5832-1

  • ASTM F138

  • ASTM F899

  • ASTM F2181