Titanium Grade 16 Plates | Ti‑0.05Pd Lean Palladium Titanium for Harsh Chloride & Acid Service
Table of Contents
A refinery on the Arabian coast had already upgraded a seawater‑fed chlorine dioxide scrubber from rubber‑lined steel to commercially pure titanium, but inspection cameras still found crevice attacks at tight gasket faces where hot brine and acid mixed under stagnant conditions. When the reliability team rebuilt the most critical tube sheets, flange rings and channel covers in Titanium Grade 16 Plates (Ti‑0.05Pd, UNS R52402), subsequent outage reports showed that where the old plates had developed measurable metal loss, the lean palladium titanium stayed bright and intact in chloride‑rich oxidising and mildly reducing conditions, allowing the plant to extend inspection intervals and cut unplanned maintenance on that train.
Titanium Grade 16 is an unalloyed, commercially pure titanium modified with a small palladium addition typically about 0.04 - 0.08% by weight designated Ti‑0.05Pd and listed under UNS R52402. It is often described as a “lean palladium” version of the more heavily alloyed Ti‑0.15Pd Grade 7, offering similar corrosion‑resistance mechanisms at lower noble‑metal content and thus lower cost, while retaining the good toughness, weldability and formability of CP titanium with standard oxygen levels.
For procurement heads, corrosion and mechanical engineers, fabricators, OEMs and hardware or industrial supply stores in the chemical, oil & gas, marine, pharma and power sectors, Titanium Grade 16 plates provide a step up from Grade 2 when crevice corrosion, hot brines or mixed oxidising/reducing acids are a concern, but budgets cannot justify full Grade 7 or exotic nickel alloys. Material data indicate that Grade 16 sits between Grade 7 and Grade 2 in strength and corrosion performance, with tensile strength and ductility similar to CP titanium and palladium‑enhanced resistance in halide and acid systems that extend safe operating windows.
Aurico Alloys LLP can help these stakeholders as an affordable, authentic Titanium Grade 16 Plates supplier, manufacturer and stockist in India with export capability abroad, supplying plate to UNS R52402 ranges with ASTM B265 Grade 16 or Grade 16H requirements and EN 10204 documentation for global EPC, OEM and MRO buyers.
High-quality Titanium Grade 16 Plates ready for industrial use.
Specification Overview
| Supplier & Role | Aurico Alloys LLP – Titanium Grade 16 Plates supplier, stockist, exporter in India to abroad |
|---|---|
| Alloy Description | Unalloyed titanium with ~0.04–0.08% palladium (Ti‑0.05Pd), lean‑Pd grade offering enhanced corrosion resistance vs. Grade 2 |
| UNS / Werkstoff / EN | UNS R52402, commonly referenced as CP Grade 16 or Ti‑0.04Pd in grade tables |
| Main Plate Standards | ASTM B265 / ASME SB‑265 Grade 16 for strip, sheet and plate; Grade 16H defined in the same standard with minimum 400 MPa (58 ksi) UTS |
| Thickness Range | 4.75 mm – 150 mm |
| Corrosion Focus | Improved resistance in mildly reducing and oxidising chloride and acid environments versus Grade 2, with behaviour described as between Grade 7 and Grade 2 |
UNS & Equivalent Grades
| Property | Value |
|---|---|
| UNS number | R52402 |
| Density | 4.51 g/cm3 |
| Melting range | 1650 °C |
| Modulus of elasticity | 15 × 10⁶ psi |
| Beta transus | 1635-1735 °F (ATI range for grades 1-4 7 11 12 and 16-18 (± 25 °F)) |
| Thermal conductivity | 13-10 Btu/ft·h·°F (ATI range for grades 1-4 7 11 12 and 16-18) |
| Coefficient of expansion (32-600 °F) | 5.1 µin/in·°F |
Identifiers and physical constants for Titanium Grade 16. A dash means no such designation is published for this grade.
Stock & Product Availability
As a Titanium Grade 16 Plates stockist, Aurico Alloys LLP can supply plate and sheet in thicknesses typically used for scrubber linings, absorber shells, tube sheets, waterboxes, channel covers and structural plates in chemical, oil & gas, marine, pharma and power‑generation plants, within the size ranges covered by ASTM B265 strip, sheet and plate. Plates are generally provided in annealed condition for maximum ductility and weldability, and value‑added services such as cut‑to‑size, profile cutting and edge preparation help fabricators and OEMs reduce processing time while maintaining full heat and lot traceability.
Chemical Composition
| Element | Min (%) | Max (%) |
|---|---|---|
| Carbon (C) | — | 0.08 |
| Oxygen (O) | — | 0.25 |
| Nitrogen (N) | — | 0.03 |
| Hydrogen (H) | — | 0.015 (product analysis - ingot analysis for all other elements) |
| Iron (Fe) | — | 0.30 |
| Palladium (Pd) | 0.04 | 0.08 |
| Other elements (each) | — | 0.1 |
| Other elements (total) | — | 0.4 |
| Titanium (Ti) | — | Balance (determined by difference) |
Composition limits for Titanium Grade 16. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Mechanical & Physical Properties
| Property (Room Temperature, Annealed Plate) | Typical Value – Titanium Grade 16 |
|---|---|
| Ultimate Tensile Strength | Described as having relatively low tensile strength among wrought titaniums; typical values are similar to Grade 2 ranges rather than high‑strength alloys |
| Yield Strength (0.2% offset) | Comparable to CP titanium with standard oxygen; mechanical property tables show Grade 16 in a medium CP range between the softest and strongest CP grades |
| Elongation | Moderately high ductility, with one source noting “moderately high ductility” and example data around the mid‑20% range |
| Modulus of Elasticity | ≈110 GPa, similar to other CP titanium grades |
| Thermal Conductivity | Described as having moderately high thermal conductivity among wrought titanium alloys |
| Corrosion Behaviour | Suppliers describe Grade 16 as very corrosion‑resistant in highly oxidising and mildly reducing environments, with enhanced resistance in reducing media compared with Grade 2 due to the small palladium content |
Applications & Benefits
- Chemical & Oil & Gas: Titanium Grade 16 plates are used for scrubber linings, absorber internals, tube sheets, channel covers, hot brine manifolds and structural plates in systems handling chlorides, oxidising acids and mildly reducing media where Grade 2 might be marginal and stainless steels risk localised attack.
- Marine & Power Generation: In seawater‑cooled condensers, waterboxes, desalination plants and flue‑gas desulfurization equipment, Ti‑0.05Pd plate provides the toughness and weldability of CP titanium with extra safety against crevice corrosion at higher temperatures and chloride levels.
- Pharma & High‑Purity Plant: Grade 16 plate can be selected for high‑purity and pharmaceutical waste or scrubber systems where reducing acid cleaning regimes and trace halides are present but very low metal ion release, good formability and weldability are required.
FAQ & Search Trends
Global Export Destinations
We ship worldwide from Mumbai. See every destination we export to on our export markets page.
Domestic Supply Network
We deliver across India from our Mumbai stockyard. See every city we supply on our supply locations page.
Conclusion
Titanium Grade 16 Plates from Aurico Alloys LLP, supplied to UNS R52402 chemistry ranges and ASTM B265 Grade 16 or 16H mechanical requirements, give chemical, oil & gas, marine, pharma and power‑generation users a lean‑palladium titanium plate option that combines the weldability and ductility of commercially pure titanium with significantly improved resistance to chlorides, acids and seawater compared with standard CP grades are your most exposed scrubbers, seawater boxes, brine manifolds and structural plates still relying on less corrosion‑resistant materials instead of optimised Titanium Grade 16 plates?