| Standard | Fe | C | N | O | H | Pd |
|---|---|---|---|---|---|---|
| ASTM B265 | 0.30 | 0.08 | 0.03 | 0.25 | 0.015 | 0.12~0.25 |
| ASTM B348 | 0.30 | 0.08 | 0.03 | 0.25 | 0.015 | 0.12~0.25 |
| ASTM B338 | 0.30 | 0.08 | 0.03 | 0.25 | 0.015 | 0.12~0.25 |
| Standard | Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elogation 0.2% offset |
Reduction of Aera (%) |
|---|---|---|---|---|
| ASTM B265 | ≥400 | 275-450 | ≥20 | - |
| ASTM B348 | ≥400 | ≥275 | ≥20 | ≥30 |
| ASTM B338 | ≥400 | 275-450 | ≥20 | - |

Chemical Composition of Titanium Grade 7H (UNS R52400)
| Element | Content (%) |
|---|---|
| Ti | bal |
| Pd | 0.12-0.25 |
| Fe | 0.3 max |
| O | 0.25 max |
| C | 0.08 max |
| N | 0.03 max |
Mechanical Properties of Titanium Grade 7H
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 400 |
| Yield Strength (MPa) | 300 |
| Elongation (%) | 20 |
| Hardness (HRB) | 65-80 |
Applications of Titanium Grade 7H
Titanium Grade 7H (UNS R52400) is widely used in chemical processing equipment, heat exchangers, desalination plants, marine components. The alloy maintains excellent mechanical properties at temperatures up to 600F (316C), making it suitable for demanding high-temperature service environments.
Standards & Specifications: ASTM B348
Frequently Asked Questions about Titanium Grade 7H
What is Titanium Grade 7H used for?
Titanium Grade 7H (UNS R52400) is primarily used in chemical processing equipment, heat exchangers, desalination plants, marine components. Its excellent corrosion resistance and high-temperature strength make it ideal for these demanding applications.
What is the temperature range of Titanium Grade 7H?
Titanium Grade 7H can operate at temperatures up to 600F (316C), depending on the specific application and environmental conditions.
What are the key properties of Titanium Grade 7H?
Titanium Grade 7H (UNS R52400) exhibits excellent corrosion resistance, high-temperature strength, good fabricability, and outstanding mechanical properties. It meets standards including ASTM B348.
What is the difference between Titanium Grade 7H and other nickel alloys?
Titanium Grade 7H has a unique chemical composition (see the composition table above) that gives it specific advantages in certain environments. The combination of elements provides optimal performance for its target applications in chemical processing equipment and related industries.











