Titanium Grade 1
UNS R50250
Overview
Commercially pure titanium with the highest ductility and formability of all titanium grades. Lowest strength but best corrosion resistance in oxidizing environments. The preferred grade for chemical processing equipment, plate-type heat exchangers, and applications requiring extensive cold forming. Excellent weldability with no post-weld heat treatment required.
Chemical Composition (wt%)
| Element | Min | Max |
|---|---|---|
| Ti (Titanium) | 99.2 | — |
| C (Carbon) | — | 0.08 |
| Fe (Iron) | — | 0.2 |
| O (Oxygen) | — | 0.18 |
| N (Nitrogen) | — | 0.03 |
| H (Hydrogen) | — | 0.015 |
Mechanical Properties
| Property | Value | Condition |
|---|---|---|
| Tensile Strength | ≥ 240 MPa (35 ksi) | — |
| Yield Strength (0.2%) | ≥ 170 MPa (25 ksi) | — |
| Elongation | ≥ 24% | — |
| Hardness | ≤ 70 HRB | annealed |
| Density | 4.51 g/cm³ | — |
Physical Properties
| Property | Value |
|---|---|
| Melting Point | 1668 °C |
| Thermal Conductivity | 16.4 W/m·K (at 20°C) |
| Electrical Resistivity | 0.56 µΩ·m |
Corrosion Resistance
Outstanding resistance to seawater and chloride environments at all temperatures up to 315°C. Completely immune to chloride stress corrosion cracking. Excellent resistance to oxidizing acids including nitric acid and chromic acid. Resistant to wet chlorine gas. Not recommended for reducing acids (HCl, H₂SO₄) or hydrofluoric acid.
Typical Applications
Related Standards
Available Products in This Material
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