Titanium is amazing! How do I choose between TA1, TA2, TA3, TA9, and TA10?
Titanium materials are widely used in chemical plants such as chlor-alkali, papermaking, evaporation and crystallization, and PTA facilities. Titanium materials exhibit exceptional resistance to chloride ion corrosion. Commonly used titanium grades in chemical equipment include TA1, TA2, TA3, TA9, and TA10.

With so many types of titanium materials available, what sets them apart? How should we go about choosing the right one? This article breaks down each type of titanium material.
We can view the commonly used TA2, TA9, and TA10 as a “pyramid” in which performance and cost increase progressively.
TA1
Key Features: Industrial-grade pure titanium has the lowest levels of impurity elements (C, H, O), resulting in the best ductility, toughness, and cold formability, but relatively lower strength.
Applications: As a cladding layer for titanium-steel explosive-bonded plates and as a transition layer for zirconium-titanium-steel composite plates.
TA2
The Perfect Balance Between Strength and Corrosion Resistance
Key Features: The most commonly used grade of industrial pure titanium, offering the most balanced overall performance. It strikes a perfect balance between strength, ductility, and corrosion resistance, and is often referred to as the “standard pure titanium.”
Applications: Container shells, nozzles, flanges, etc.
TA3
Key characteristics: It contains higher levels of the impurity elements C, H, and O than TA2, and has higher strength than TA2, but its ductility and corrosion resistance are naturally slightly lower.
Application: Reactor stirrer shaft.
TA9
The Ultimate Defense Against Harsh Conditions
Key Features: A titanium-palladium alloy produced by adding palladium to TA2. The addition of this trace amount of “precious metal” results in a significant improvement in corrosion resistance, particularly in reducing media and against crevice corrosion.
Applications: Environments where dead zones and crevices are present, making dust accumulation likely.
It is commonly used as a liner for flange sealing surfaces and, together with TA2, forms a “dynamic duo.”

TA10
Key Features: A titanium-nickel-molybdenum alloy; based on TA2, it contains added nickel and molybdenum for increased strength.
Applications: Commonly used in environments subject to erosion and corrosion.
It is commonly used in evaporation and crystallization projects, such as in heat exchangers where the working fluid consists of chloride salts like calcium chloride or sodium chloride, serving as a coating material for heat exchange tubes and tube sheets.










