Inconel 718 is a premium precipitation-hardening nickel-based superalloy. It features high mechanical strength, outstanding biocompatibility, excellent corrosion resistance and stable performance after repeated high-temperature disinfection. It is non-toxic, rust-proof and easy for precision machining, fully complying with medical industry hygiene and safety regulations. Widely used to produce surgical implants, medical instruments and high-end medical equipment core parts.
Dimensional Tolerance
| Specification | Tolerance Requirement |
|---|---|
| Outer Diameter | Strict medical precision tolerance |
| Wall Thickness | Ultra-precise size control |
| Length | Custom fixed length available |
| Surface Finish | Medical grade smooth polishing, no burr |
| Precision | Meet medical miniature parts processing standard |
Why Medical Industry Choose Inconel 718
| Advantage | Application Reason |
|---|---|
| Good Biocompatibility | Harmless to human tissues, no rejection reaction |
| Disinfection Resistance | Keep stable after high temperature steam and chemical disinfection |
| Body Fluid Corrosion Resistance | Resist blood, lymph and various body fluid erosion |
| Non-magnetic Performance | No influence on medical imaging inspection equipment |
| High Mechanical Toughness | Bear human body load and long-term use pressure |
| Easy Sterilization | Simple cleaning and disinfection, meet hospital hygiene standards |
Applicable Working Conditions
| Application Scope | Actual Working Condition |
|---|---|
| Orthopedic Implants | Long-term implantation inside human body, bearing joint pressure |
| Surgical Medical Tools | Repeated high temperature disinfection and frequent use |
| Medical Precision Devices | Clean room sterile environment, high precision assembly |
| Diagnostic Equipment Parts | Non-magnetic environment such as MRI examination room |
| Dental Medical Components | Oral moist environment, long-term stable wearing condition |
Core User Demands in Medical Industry
| User Demand | Specific Requirement |
|---|---|
| Medical Safety | Reach medical implant grade safety standard |
| Hygienic Performance | Smooth surface, easy cleaning and bacteria prevention |
| Stable Physical Property | No fatigue fracture after long-term service |
| Miniature Customization | Support tiny size and special-shaped part production |
| Strict Quality Inspection | Provide medical grade purity and safety test report |
| Sterilization Adaptability | Not soften or deform after repeated high temperature treatment |
Common Medical Industry Related Products
| Product Type | Practical Application |
|---|---|
| Inconel 718 Precision Bar | Orthopedic screw, bone nail, dental implant base |
| Inconel 718 Fine Tube | Medical infusion precision tube, minimally invasive surgical catheter |
| Inconel 718 Polished Sheet | Medical equipment sealing plate, surgical auxiliary accessories |
| Medical Fasteners | Medical equipment fixed bolts, implant connecting parts |
| Medical Forged Parts | Joint prosthesis core components, rehabilitation equipment parts |
Mechanical Properties
| Performance Index | Standard Value |
|---|---|
| Tensile Strength | ≥1275 MPa |
| Yield Strength | ≥1035 MPa |
| Elongation | ≥12% |
| Hardness | ≤44 HRC |
| Non-magnetic Feature | Fully non-magnetic, no magnetic interference |
Basic Information
| Item | Details |
|---|---|
| Material Grade | Inconel 718, UNS N07718, W.Nr.2.4668 |
| Main Standards | ASTM B637, ASTM F606, ISO 5832, AMS 5662 |
| Common Status | Solution treated, aging hardened, medical polished finish |