ASTM F620 Ti-6Al-4V ELI Titanium Alloy Rod
Standard Name: ASTM F620 - 17
Scope of Application: This standard covers Ti-6Al-4V ELI (ultra low clearance) alloy bars, wires, and forgings for surgical implants.
Material type: Ti-6Al-4V ELI (GR23)
Description
Ti-6Al-4V ELI induces very low immune response in the human body and is suitable for long-term implantation. It has good histocompatibility and good binding with human tissues, which reduces the risk of rejection and infection. Compared to other commonly used medical metal materials (e.g. stainless steel), Ti-6Al-4V ELI has a lower density, which reduces the weight of the implant and is more patient-friendly.
World-class ASTM F620 titanium rod production technology
Chemical Composition
The chemical composition of grade 23 Ti 6Al 4V ELI alloy is outlined in the following table.
| Element | Content (%) |
|---|---|
| Titanium, Ti | 88.09 - 91 |
| Aluminum, Al | 5.5 - 6.5 |
| Vanadium, V | 3.5 - 4.5 |
| Iron, Fe | ≤ 0.25 |
| Carbon, C | ≤ 0.080 |
| Nitrogen, N | ≤ 0.030 |
| Hydrogen, H | ≤ 0.0125 |
| Other, each | ≤ 0.10 |
| Other, total | ≤ 0.40 |
Inspection and Testing
Chemical analysis: Confirmation of chemical composition to standards by spectral analysis or other methods.
Mechanical property testing: including tensile strength, yield strength, elongation and section shrinkage, etc.
Non-destructive testing: such as ultrasonic testing and magnetic particle testing to ensure that there are no defects within the material.
Dimensional and appearance inspection: to ensure that the product meets the dimensional and surface quality requirements.
ASTM F620 titanium bar production equipment
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