TI GR 12 (Titanium Grade 12) is a unique titanium alloy renowned in the engineering, chemical, and marine industries for its outstanding corrosion resistance, strength, and weldability.
Chemical Composition
Main Elements: Titanium (base), with 0.8% Nickel (Ni) and 0.3% Molybdenum (Mo)
UNS Designation: R53400
ASTM Specification: ASTM B265, B338, B367, etc.
The addition of nickel and molybdenum sets Grade 12 apart from other commercially pure titanium grades, providing improved mechanical and corrosion properties.
Key Properties
Corrosion Resistance: Exceptional, especially in mildly reducing and highly oxidizing environments. Superior resistance to crevice corrosion and stress corrosion cracking, particularly in hot brines and chloride solutions.
Strength: Higher than commercially pure grades (like Grade 2 or 3), with mechanical properties approaching those of some titanium alloys.
Weldability: Excellent; forms strong, ductile welds without significant loss of corrosion resistance.
Workability: Good formability and machinability compared to other titanium alloys.
Service Temperature: Suitable for use at elevated temperatures (up to about 315°C / 600°F).
Major Applications
TI GR 12 is chosen for demanding environments where both corrosion resistance and strength are essential. Key industries and uses include:
A. Chemical Processing
Heat exchangers, piping, tanks, and reactors handling acidic or chloride-rich solutions.
Ideal for processes involving wet chlorine gas, sodium hypochlorite, sulfur dioxide, and organic acids.
B. Marine and Offshore
Components exposed to seawater, such as piping, valves, and pumps on ships, platforms, and desalination plants.
Resists crevice corrosion and pitting, even in warm, turbulent seawater.
C. Power Generation
Condenser tubing, cooling systems, and pollution-control equipment in fossil and nuclear power plants.
D. Oil & Gas
Downhole tubing, risers, and fittings exposed to brine, sour gas, or other aggressive fluids.
E. Other Applications
Automotive exhaust systems, aerospace fasteners, and architectural structures in harsh environments.
Comparison With Other Titanium Grades
| Property | Grade 2 | Grade 5 (Ti-6Al-4V) | Grade 12 (TI GR 12) |
|---|---|---|---|
| Alloying Elements | None | Al, V | Ni, Mo |
| Strength | Moderate | High | Moderate–High |
| Corrosion Resistance | Excellent | Good | Outstanding (especially to crevice and chloride corrosion) |
| Weldability | Excellent | Good | Excellent |
| Cost | Moderate | High | Moderate–High |
| Typical Applications | CP, general | Aerospace, high-stress | Chemical, marine, power |
Summary Table
| Feature | TI GR 12 Alloy Characteristic |
|---|---|
| Main Alloying Elements | 0.8% Ni, 0.3% Mo |
| Strength | Higher than Grades 2, 3, 7 |
| Corrosion Resistance | Exceptional, especially vs. chlorides |
| Weldability | Excellent |
| Typical Use | Chemical processing, marine, power |
| Standard Spec | ASTM B265, B338, B367, etc. |
Products Description
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GR12 Titanium Tube |
ASTM B337 Gr12 Titanium Tube |
High Purity GR12 Titanium Tubing |
|
Ti-0.3Mo-0.8Ni Tube |
GR12 Titanium Heat Exchanger Tube |
Gr12 Titanium Hydraulic Tube |
|
Titanium Alloy Gr12 Pipe |
Titanium Alloy 12 Chemical Processing Pipe |
Cold Worked GR12 Titanium Tubing |
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Seamless GR12 Titanium Tubing |
GR12 Titanium Pipe Supplier |
Precision GR12 Titanium Pipe |
|
Welded Titanium Gr12 Pipe |
GR12 Titanium Capillary Tube |
Titanium Gr12 Pipe Stock |
about us
Founded as a leading specialist in the global titanium industry, our company excels in the export and supply of premium titanium products for a diverse range of international applications. We are dedicated to providing high-performance materials that meet the stringent demands of sectors such as aerospace, chemical processing, marine, medical, and automotive engineering.
Our core expertise lies in our comprehensive portfolio of titanium mill products. We supply precision titanium tubes and titanium pipes for critical heat transfer and piping systems. Our inventory includes robust titanium plates, titanium sheets, and titanium slabs for structural and industrial fabrication. For machining and component manufacturing, we offer a full spectrum of titanium rods, titanium bars, titanium billets, and titanium wires. Additionally, we provide fine titanium coils and ultra-thin titanium foil for specialized technological and industrial uses.
