Commercially Pure Titanium Grade 4
DESCRIPTION
Commercially Pure Titanium Grade 4 is known as the strongest of the four grades of commercially pure titanium. It is also known for its excellent corrosion resistance, good formability and weldability. Commercially Pure Titanium Grade 4’s strength to weight ratio is well maintained at moderate temperatures. At low temperatures, this alloy also has good impact properties.
PRODUCT FORM
Slit coil
Strip
Cut-to-length
INVENTORY GAUGE RANGE
0.008” – 0.125”
WIDTH
0.187” – 48.0”
APPLICATION
Airframe components
Cryogenic vessels
Heat exchangers
CPI equipment
Condenser tubing
Surgical hardware
Pickling baskets
CHEMICAL COMPOSITION
The chemical composition of Commercially Pure Titanium Grade 4 is as follows:
|
Element |
Content (%) |
|
Titanium, Ti |
≥ 98.6 |
|
Iron, Fe |
≤ 0.50 |
|
Oxygen, O |
≤ 0.40 |
|
Carbon, C |
≤ 0.080 |
|
Nitrogen, N |
≤ 0.050 |
|
Hydrogen, H |
≤ 0.015 |
PHYSICAL PROPERTIES
The physical properties of Commercially Pure Titanium Grade 4 are:
|
Properties |
Metric |
Imperial |
|
Density |
4.51 g/cm3 |
0.163 lb/in3 |
|
Melting point |
1660°C |
3020°F |
MECHANICAL PROPERTIES
The following table shows mechanical properties of Commercially Pure Titanium Grade 4:
|
Properties |
Metric |
Imperial |
|
Tensile strength |
680 MPa |
98600 psi |
|
Yield strength |
560 MPa |
81200 psi |
|
Poisson’s ratio |
0.34-0.40 |
0.34-0.40 |
|
Elastic modulus |
105 – 120 GPa |
15200 – 17400 ksi |
|
Elongation at break |
23% |
23% |
|
Hardness (HV) |
250 |
250 |
FORMING
Commercially Pure Titanium Grade 4 can be hot or cold formed.
WELDING
While Commercially Pure Titanium Grade 3 is better known for its weldability, Commercially Pure Titanium Grade 4 performs well under such conditions.
ANNEALING
Annealing of Commercially Pure Titanium Grade 4 can be performed by heating to 704°C (1299°F).
FORGING
Rough forging of Commercially Pure Titanium Grade can be performed at 935°C (1715°F) and completed at 843°C (1550 °F).