Pipe-Lok Vales & Fittings Company delivers precision-engineered instrumentation fittings and valves trusted for reliability, safety, and performance in industrial applications with a strong focus on engineering excellence and quality control.
Tantalum offers near-universal chemical resistance, comparable to glass, across almost all acids except hydrofluoric acid, making it the material of choice for VCR fittings in the most aggressive chemical processing environments.
A refractory metal with outstanding resistance to virtually all acids and corrosive media except hydrofluoric acid and fuming sulfuric acid.
| Element | Weight Percentage (%) |
|---|---|
| Tantalum (Ta) | 99.9 min |
| Niobium (Nb) | 0.05 max |
| Carbon (C) | 0.01 max |
| Oxygen (O) | 0.015 max |
| Nitrogen (N) | 0.01 max |
| Hydrogen (H) | 0.0015 max |
*Composition limits are as per the applicable ASTM/ASME/UNS specification; actual limits may vary depending on product form.
Tantalum offers excellent ductility and formability along with exceptional corrosion resistance in demanding chemical service.
| Property | Typical / Minimum Value |
|---|---|
| Tensile Strength | 205 MPa min |
| 0.2% Yield Strength | 138 MPa min |
| Elongation | 20% min |
| Hardness | 90 HB max |
| Density | Approx. 16.6 g/cm³ |
*Mechanical requirements depend on product form, heat treatment and applicable ASTM/ASME specification. Confirm final values against the material specification used for the VCR fitting component.
High-performance material specifications for our complete VCR Fittings range.
Engineered for demanding fluid and gas-handling systems where leak-tight sealing, corrosion resistance and long service life are essential.
Handles the most aggressive acids and oxidizing media in specialty chemical production.
High-purity systems where corrosion resistance and product purity are essential.
Lightweight, high-strength components for demanding aerospace applications.
Exceptional resistance to seawater and chloride-rich marine environments.
Ultra-pure fluid handling in semiconductor fabrication processes.
Used in nuclear and specialty reactor applications requiring extreme corrosion resistance.