ISO 5832-6 specifies the characteristics of, and corresponding test methods for, wrought cobalt-nickel-chromium-molybdenum alloy (UNS R30035) for use in the manufacture of surgical implants. This alloy composition has been successfully used in human implants, and long-term clinical experience has shown an acceptable biological response. UNS R30035 is a nickel-cobalt-based multiphase alloy system with a unique combination of properties, including extremely high strength, toughness, ductility, and excellent corrosion resistance. The alloy is produced using vacuum induction melting (VIM) followed by vacuum arc remelting (VAR) to ensure superior cleanliness and homogeneity.
Specifications & AvailableUNS R30035 is a wrought cobalt-nickel-chromium-molybdenum superalloy that achieves its exceptional properties through a combination of high-quality melting technology, cold forming, and heat treatment. The alloy can be strengthened and aged to achieve strength values of up to 1793-2086 MPa (260-300 ksi) with excellent stress corrosion cracking (SCC) resistance, even in hydrogen sulfide environments. Available Forms: Bar, wire, sheet, strip, plate, tube Specifications: ISO 5832-6, ASTM F562, UNS R30035, AMS 5844/5845, NACE MR0175/ISO 15156
Operating Conditions & Selection CriteriaUNS R30035 is specified for surgical implant applications requiring the highest combination of strength, corrosion resistance, toughness, and long-term biocompatibility. Biocompatibility: ISO 5832-6 / ASTM F562 approved for surgical implants; long-term clinical experience has shown an acceptable biological response in human implants Ultra-High Strength: Through cold work and aging, achieves tensile strength of 260-300 ksi (1793-2086 MPa) Corrosion Resistance: Excellent resistance to pitting and crevice corrosion caused by seawater, chloride solutions, and other corrosive environments, including mineral acids (nitric, hydrochloric, sulfuric acid) SCC Resistance: Excellent stress corrosion cracking resistance, even in hydrogen sulfide (H₂S) environments Toughness & Ductility: Maintains good toughness and ductility even at ultra-high strength levels Non-Magnetic: Low magnetic permeability (< 1.01) Melting Quality: VIM + VAR double melting ensures superior cleanliness and freedom from non-metallic inclusions
Applications in Surgical ImplantsOrthopedic Implants: Hip stems, femoral components, knee replacements, spinal rods, bone screws, fracture fixation plates Cardiovascular Devices: Stents, heart valve frames, vena cava filters, pacemaker leads Dental Implants: Implant abutments, prosthetic components, orthodontic wires Surgical Instruments: Forceps, retractors, scissors, cutting tools requiring high strength and corrosion resistance Cranial & Maxillofacial: Plates, mesh, screws for facial reconstruction
Factory Price – ISO 5832-6 UNS R30035 Implant Alloy Bar (MP35N)Indicative factory pricing (FOB China): | Diameter Range | Form | Condition | Price (USD/kg) |
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| Φ3mm – 12mm | Round Bar | Strengthened + aged | 250–450 | | Φ12mm – 25mm | Round Bar | Strengthened + aged | 240–420 | | Φ25mm – 50mm | Round Bar | Strengthened + aged | 220–400 | | Φ50mm – 100mm | Round Bar | Strengthened + aged | 200–380 |
Volume discounts available for orders above 200 kg. Custom sizes available – contact us for a firm quote.
Delivery Lead Times (after pre-payment confirmation)| Stock Status | Delivery Time |
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| Products in stock | Within 3 days | | Raw material in stock | Within 10 days | | Re-melting required | 15 – 25 days |
Request a quote for ISO 5832-6 / UNS R30035 Implant Alloy Bar (MP35N / BÖHLER L035) – 35Co – 35Ni – 20Cr – 10Mo – Wrought Cobalt-Nickel-Chromium-Molybdenum Alloy – VIM + VAR – Strengthened and Aged . Please provide: 📧 Email: daisy@zytcsteel.com
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