Production Overview
Zirconium 705 alloys are high-performance materials composed primarily of zirconium with alloying elements such as niobium and trace amounts of nickel, cobalt, chromium, and molybdenum.
These alloys are widely used in nuclear power, aerospace, and chemical industries due to their excellent corrosion resistance, high strength, and radiation shielding properties.
Zr705 rods offer a combination of mechanical durability and corrosion resistance, making them ideal for demanding environments such as:
Cladding for nuclear fuel rods
Pressure vessels and heat exchangers
Aerospace exhaust systems and high-temperature components
Zirconium 705 rod (UNS R60705) is a commercially pure zirconium alloy (≥99.2% purity), with 2–3% niobium added to improve mechanical strength and corrosion resistance.
It is also commonly used in medical implants, chemical processing equipment, and marine applications.
Specifications
| Product Name |
Zirconium Rod |
| Grade |
National Standard: R60702, R60704, R60705American Standard: Zr1, Zr2 |
| Standard |
National Standard: GB/T 8769-201, GB/T 21183American Standard: ASTM B550/B550M-07 (2012) |
| Manufacturing Process |
Forging and machining |
| Testing Methods |
- Chemical composition testing- Physical property testing- Hardness testing- Metallographic analysis- Non-destructive testing (ultrasonic, penetrant, magnetic particle) |
| Applications |
Chemical industry, aerospace, nuclear power, and other high-performance fields |
Chemical Composition
| Element |
Zr702 / UNS R60702 |
Zr704 / UNS R60704 |
Zr705 / UNS R60705 |
| Zirconium + Hafnium, min |
99.2 |
97.5 |
95.5 |
| Hafnium, max |
4.5 |
4.5 |
4.5 |
| Iron + Chromium |
0.2 max |
0.2–0.4 |
0.2 max |
| Tin |
— |
1.0–2.0 |
— |
| Hydrogen, max |
0.005 |
0.005 |
0.005 |
| Nitrogen, max |
0.025 |
0.025 |
0.025 |
| Carbon, max |
0.05 |
0.05 |
0.05 |
| Niobium |
— |
— |
2.0–3.0 |
| Oxygen, max |
0.16 |
0.18 |
0.18 |
Physical Properties
| UNS Grade Designation |
Zirconium 702 (R60702) |
Zirconium 704 (R60704) |
Zirconium 705 (R60705) |
| Tensile Strength, min (MPa) |
380 |
415 |
550 |
| Yield Strength, min (MPa) |
205 |
240 |
380 |
| Elongation in 50 mm, min (%) |
16 |
14 |
16 |
Applications
Zirconium 705 rods are utilised in a wide range of industrial and high-technology applications, including:
-
Nuclear Industry
-
Chemical Processing
-
Aerospace & Defense
-
Medical Industry
-
Marine & Industrial Equipment
Key Advantages
Excellent corrosion resistance in acidic and saline environments
High tensile and yield strength
Outstanding performance under radiation exposure
Non-magnetic and biocompatible
Reliable performance under high temperatures and pressures
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