General Information
Chemical Composition
Physical Properties
Mechanical Properties
General Information
Titanium Grade 4 is the strongest of the pure Ti Grades. It is known for its corrosion resistance, and good formability and weldability. Grade 4 is used for applications where high strength is required. These applications include: heat exchangers, surgical hardware, cryogenic vessels, and airframe components.
Standard Inventory Specifications
- UNS R50700
- AMS 4901
- AMS 4921
- ASTM B 265
- ASTM B 348
- ASTM F 67
- ASM/MIL-81200
- MIL-T-9046
- MIL-T-9047
Common Applications of CP Grade 4
- Jet engine components
- Aerospace fasteners
- Marine and chemical processing and desalinization plants
- Corrosive waste disposal wells
- Pulp and paper production
Chemical Composition
Chemical Composition of CP Grade 4 Titanium
Element
Percent by Weight
N
Nitrogen
0.05% max
C
Carbon
0.08% max
O
Oxygen
0.4% max
Fe
Iron
0.5% max
H
Hydrogen
0.015% max
Ti
Titanium
Balance
–
Other
0.4% max
Physical Properties
Physical Properties of CP Grade 4 Titanium
Physical Property | T (°F) | T (°C) | Value | Value (SI) | ||
Density | 0.1630 lb/in³ | 4.512 g/cm3 | ||||
Beta Transus | 1715-1765 | 935-963- | ||||
Alpha Transus | 1635-1685 | 891-918 | ||||
Melting (liquidus) Point | 3000-3040 | 1649-1671 | ||||
Specific Heat | 73 | 73 23F) | 0.1250 Btu/°F | |||
Modules of Elasticity | T (°F) | |||||
Electrical Resistivity | 73 | 23F) | 3.93 ???in | .100 ???m | ||
Modules of Elasticity | 15.0 x 10³ ksi | 10.3 x 104 MPa |
Mechanical Properties
Mechanical Properties of CP Grade 4 Titanium
Room Temperature Mechanical Properties | UTS Ksi (MPa) | YS Ksi (MPa) | %EI | %RA | |
Specified Properties | 80 (550) | 70 (480) | 15 | 20 | |
Typical Properties | 95-100 (655-690) | 70-92 (480-635) | 20-25 | 38-51 |
- CP Grade 4 Pipes
- CP Grade 4 Fittings
- CP Grade 4 Bars
- CP Grade 4 Sheets & Plates
- CP Grade 4 Coils & Strips
- CP Grade 4 Wires

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