Technical Specifications (Imperial)
|
Technical Parameter |
Standard Offering Range (Imperial) |
OEM Custom Engineering Limits |
|
Material Composition |
Standard Binary Nitinol (Ni 55.8 wt%, Ti bal. per ASTM F2063) |
High-purity low-inclusion or ternary alloy variants |
|
Bar Diameter Range |
0.038" - 1.500" |
Custom micro-rod diameters down to 0.020" |
|
Diameter Tolerance |
Standard Ground: ±0.0005" to ±0.002" |
Precision centerless ground down to ±0.0002" |
|
Surface Finish Options |
Centerless ground, Oxide-free polished, As-rolled pickled |
Super-finished or custom chemically etched finishes |
|
Straightness Rating |
≤ 0.020" per 12.0" length |
Enhanced alignment for high-speed automated Swiss machining |
|
Phase Transition Temp (Af) |
5°F to 95°F (Superelastic at body temp) | Shape Memory (Af > 113°F$) |
Custom engineered transition zones adjusted via vacuum heat-treatment |
|
Mechanical Properties |
Tensile Strength: ≥ 120 ksi | Plateau Stress: ≥ 55 ksi |
Optimized microstructural grain distribution for high-reduction wire drawing |
Core Engineering Advantages
Exceptional Material Homogeneity
High-purity VIM/VAR melting yields an isotropic microstructure, preventing micro-cracking during deep CNC slotting or high-reduction wire drawing.
Oxide-Free Precision Grinding
Centerless ground bars provide excellent concentricity and strict straightness control, optimizing high-speed automated Swiss lathe machining.
Predictable Biomechanical Performance
Uniform $A_f$ temperature mapping secures precise shape-memory actuation or constant superelastic plateau forces across the entire batch.
