ASTM F75 (UNS R30075) is a cobalt-chromium-molybdenum alloy used in the manufacture of surgical implants. ISO 5832-4 specifies the characteristics of, and corresponding test methods for, this cobalt-chromium-molybdenum casting alloy for surgical implant applications . UNS R30075 cobalt is a cobalt alloy specifically designed for high-performance medical implant applications. The alloy is supplied in the form of shot, bar, or ingots to be used in the manufacture of surgical implants . ZYTC Alloy is cobalt Alloy manufacturer and supplier, offering ASTM F75 / ISO 5832-4 CoCrMo alloy at factory-direct prices with full material traceability and fast global delivery.
Product Forms & Availability – ASTM F75 / ISO 5832-4 (UNS R30075)| Product Form | Size Range | Condition |
|---|
| Shot | Various | As cast | | Bar | Custom sizes | As cast | | Ingots | Custom sizes | As cast | | Investment Castings | Custom configurations | As cast |
Additional Product Forms| Product Form | Availability |
|---|
| Custom castings | Available to order | | Finished components | Available upon request |
For all stock availability and custom requirements, contact Sales.
Specifications – ASTM F75 / ISO 5832-4| Specification | Description |
|---|
| ASTM F75 | Standard Specification for Cobalt-28 Chromium-6 Molybdenum Alloy Castings and Casting Alloy for Surgical Implants (UNS R30075) | | ISO 5832-4 | Implants for surgery – Metallic materials – Part 4: Cobalt-chromium-molybdenum casting alloy | | UNS R30075 | Unified numbering system | | CoCrMo | Common alloy designation | | ISO 5832-4:2024 | Current edition published April 2024 |
Operating Conditions & Selection CriteriaCoCrMo alloys are selected for applications where high stiffness, superior wear resistance, and excellent corrosion resistance are critical for long-term implant performance. Service Environment: Designed for permanent implantation in physiological environments; proven long-term clinical experience supports use in hip, knee, and dental prosthetics Wear Performance: Exceptional resistance to wear, making it the material of choice for articulating surfaces such as femoral heads and knee condyles Corrosion Resistance: Excellent resistance to physiological corrosion; the alloy's passive film provides protection against body fluids MRI Compatibility: Non-magnetic or weakly magnetic, suitable for most imaging environments Material Selection Boundary: When high fracture toughness or lower modulus is required (to reduce stress shielding), titanium alloys may be preferred
Quality & Testing RequirementsASTM F75 and ISO 5832-4 require comprehensive testing to ensure implant quality: Chemical Analysis: Composition verification Tension Testing: Tensile strength, yield strength, elongation Hardness Examination: Determines mechanical consistency Liquid Penetrant & Radiographic Inspection: Detects casting defects Metallographic Examination: Evaluates microstructure
ApplicationsOrthopedic Implants: Femoral heads, acetabular cups, knee condyles, tibial trays Dental: Dental implants and prosthetic frameworks Spinal: Rods and fixation components Instruments: Surgical tools requiring high wear resistance
Why Choose ZYTC Alloy?ZYTC Alloy is a leading cobalt alloy supplier, providing high-quality CoCrMo alloys for medical implant manufacturers. Our Advantages: Contact usRequest a quote for ASTM F75 / ISO 5832-4 CoCrMo Alloy (UNS R30075) – Cobalt-Chromium-Molybdenum Casting Alloy – Surgical Implant Grade . Please provide: 📧 Email: daisy@zytcsteel.com
📱 WhatsApp / WeChat: +86 17335753350 |
