| ASTM B265 |
Notes |
| Grade 1 |
Unalloyed Titanium..Main use in heat exchanger, Airframes, Chemical: desalination and marine parts: Plate-type heat exchangers: cold spun or pressed parts : Platinised anodes: High formability |
| Grade 2 |
Unalloyed Titanium. Airframes, aircraft engines: marine chemical parts: heat exchanger tube: condenser tubing and evaporator tubing. Good combination of strength, formability, ductility and weldability. |
| Grade 3 |
Unalloyed Titanium. Chemical, marine, airframe and aircraft engine parts which require formability strength, weldability and corrosion resistance. |
| Grade 4 |
The highest strength pure unalloyed Titanium: Chemical, marine, airframe and aircraft engine parts: surgical implants: high speed fans: gas compressors: Used in hydraulic Tubing and instrumentation tubing: good formability and corrosion resistance combined with high strength. |
| Grade 5 |
Titanium alloy. 6% aluminium, 4% vanadium.:Popular alpha-beta, medium strength alloy : Main uses - airframe and turbine engine parts (blades, discs, wheels, spacer rings)' ordnance equipment: pressure vessels: rocket motor cases. Also used for surgical appliances, implants, pressure vessels & airframes. |
| Grade 6 |
-- |
| Grade 7 |
Unalloyed Titanium plus 0.12% to 0.25% palladium. Medium strength:Comments: Industrial alloy with superior corrosion resistance. standard oxygen. Good corrosion resistance in reducing and oxidising environments. |
| Grade 9 |
Titanium Alpha-Beta phase alloy including 3% aluminium and 2.5% vanadium. High strength and corrosion resistance. Aerospace, petrochemical, hydraulic & instrumentation tubing, sports and subsea applications, pressure vessels, honeycomb foil: Normally used in cold-working stress-relieving condition. Weldable |
| Grade 11 |
Unalloyed Titanium plus 0.12% to 0.25% palladium. Low oxygen. Low strength. Especially suitable for deep drawing. Permissible hydrogen content depends on form. Pd additions increase corrosion resistance to certain media Corrosion resistance: Very good Weldability: |
| Grade 12 |
Titanium alloy including 0.3% molybdenum, 0.8% nickel. High strength. Good Heat and Wear resistance. Used for shell and tube heat exchangers, hydrometallurgical applications. industry. Good corrosion resistance: Highly weldable. |
| Grade 13 |
Titanium alloy including 0.5% nickel and 0.05% ruthenium. Low oxygen. |
| Grade 14 |
Titanium alloy including 0.5% nickel and 0.05% ruthenium. Standard oxygen. |
| Grade 15 |
Titanium alloy including 0.5% nickel and 0.05% ruthenium. Medium oxygen. |
| Grade 16 |
Unalloyed Titanium plus 0.04% to 0.08% palladium. Standard oxygen, medium strength. Used in chemical industries (improved corrosion resistance). |
| Grade 17 |
Unalloyed Titanium plus 0.04% to 0.08% palladium. Low oxygen, low strength. |
| Grade 18 |
Titanium alloy including 3% aluminium, 2.5% vanadium plus 0.04% to 0.8% palladium. |
| Grade 19 |
Titanium alloy including 3% aluminium, 8% vanadium, 6% chromium, 4% zirconium, 4% molybdenum. |
| Grade 20 |
Titanium alloy including 3% aluminium, 8% vanadium, 6% chromium, 4% zirconium, 4% molybdenum plus 0.04% to 0.08% palladium. |
| Grade 21 |
Titanium alloy including 15% molybdenum, 3% aluminium, 2.7% niobium, 0.25% silicon. |
| Grade 23 |
Titanium alloy including 6% aluminium, 4% vanadium, extra low interstitial, ELI. |
| Grade 24 |
Titanium alloy including 6% aluminium, 4% vanadium plus 0.04% to 0.08% palladium. |
| Grade 25 |
Titanium alloy including 6% aluminium, 4% vanadium plus 0.3% to 0.6% nickel, 0.04% to 0.08% palladium. |
| Grade 26 |
Unalloyed Titanium plus 0.08% to 0.14% ruthenium. Standard oxygen, medium strength. Competitive alternative to grade 7. |
| Grade 27 |
Unalloyed Titanium plus 0.08% to 0.14% ruthenium. Low oxygen, low strength. |
| Grade 28 |
Titanium alloy including 3% aluminium, 2.5% vanadium, plus 0.08% to 0.14% ruthenium. High strength with enhanced corrosion alternative to Grade 9. |
