Product Overview
COBRA-601 is a premium cobalt-based superalloy bar engineered to meet the stringent requirements of high-performance aerospace, medical implant, and energy-sector applications. Certified to ASTM F75 and AMS 5719 specifications, this cobalt alloy bar delivers exceptional resistance to wear, corrosion, and oxidation — even under extreme temperatures (up to 815°C) and cyclic mechanical stress. As a solution-annealed and aged condition product, COBRA-601 achieves optimal microstructural stability and balanced strength-ductility synergy, making it ideal for mission-critical rotating components and load-bearing implants.
Manufactured via precision hot-forging and controlled thermal processing, each COBRA-601 cobalt alloy bar undergoes rigorous non-destructive testing (UT/ET), dimensional verification, and full material traceability per EN 10204 3.1. Its consistent metallurgical integrity and tight tolerances (±0.1 mm diameter) reflect our expertise in custom forging and advanced cobalt-based superalloys production.
Key Features
- Full compliance with ASTM F75 and AMS 5719 standards
- Solution annealed & aged condition for peak hardness and creep resistance
- Outstanding biocompatibility — widely used in orthopedic and dental implants
- Superior hot hardness and thermal fatigue resistance vs. nickel-based alternatives
- Custom diameters from Ø25 mm to Ø300 mm, with optional centerless grinding or turning
- Complete mill test reports (MTRs), heat number traceability, and RoHS/REACH documentation
Technical Specifications
| Parameter |
Value |
| Alloy Designation |
COBRA-601 (ASTM F75 / AMS 5719) |
| Base Element |
Cobalt (Co ≥ 63%) |
| Key Alloying Elements |
Cr (27–30%), Mo (5–7%), Ni (≤ 2.5%), C (0.15–0.35%) |
| Condition |
Solution Annealed & Aged (SA + A) |
| Diameter Range |
Ø25 mm – Ø300 mm |
| Length Tolerance |
±1.5 mm (standard cut) |
| Hardness (HRC) |
32–38 HRC |
| Tensile Strength |
≥ 965 MPa |
| Yield Strength (0.2% offset) |
≥ 550 MPa |
| Elongation (50 mm) |
≥ 15% |
| Density |
8.36 g/cm³ |
| Typical Surface Finish |
Hot-forged black scale (optional pickled & passivated) |
Applications
COBRA-601 cobalt-based superalloys are trusted globally in demanding environments: jet engine turbine blades and vanes, surgical bone screws and hip joint stems, downhole drilling tools for oil & gas, high-temperature valve seats, and nuclear reactor control rod components. Its combination of ASTM F75 biocompatibility and AMS 5719 thermal robustness makes COBRA-601 the preferred cobalt alloy bar for OEMs requiring zero-compromise performance, regulatory readiness, and supply chain reliability.
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