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High Purity CuZr50 Master Alloy with 50 Percent Zr for Aerospace Aluminum Alloy Grain Refinement
Product Details:
| Place of Origin: | Hunan, China |
| Brand Name: | HIGH BROAD |
| Certification: | ISO 9001:2015, AMS 4279 Compliant |
| Model Number: | WN-CuZr50-HP-03 |
Payment & Shipping Terms:
| Minimum Order Quantity: | 5 Kilograms |
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| Price: | USD 40-180 / Kilogram |
| Packaging Details: | branded double vacuum-sealed aluminum foil bag inside argon-purged stainless steel drum with desiccant and oxygen indicator, export-grade palletized packaging |
| Delivery Time: | 5-7 working days for stock, 15-25 days for production |
| Payment Terms: | T/T,L/C,PayPal,Western Union |
| Supply Ability: | 2000 Kilograms per Month |
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Detail Information |
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| Zirconium Content: | 50 ± 1.5 Wt% | Form: | Waffle Ingot / Tablet |
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| Hafnium Content: | ≤ 0.3 Wt% | Density: | ~6.6 G/cm3 |
| Oxygen Content: | ≤ 0.03 Wt% | Silicon Content: | ≤ 0.05 Wt% |
| Highlight: | High Purity CuZr50 Master Alloy,Al-Li Alloy Grain Refiner Zr,Aerospace Grade Zirconium Additive |
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Product Description
This high-purity CuZr50 master alloy is manufactured to the most demanding aerospace material specifications, using low-iron nuclear-grade zirconium sponge as the raw material source. Designed for third-generation aluminum-lithium alloy production, where impurity control directly impacts fatigue life and damage tolerance of critical structural components.
- Iron Impurity Control (Fe ≤ 0.08%): Excess iron forms brittle Al7Cu2Fe intermetallic phases that act as crack initiation sites during cyclic loading. Tight Fe control maximizes fracture toughness (KIC) and fatigue crack growth resistance in Al-Li wing and fuselage structures.
- Silicon Impurity Management (Si ≤ 0.05%): Silicon in Al-Li alloys promotes undesirable Mg2Si precipitation that competes with the strengthening T1 (Al2CuLi) phase, reducing peak-aged strength. Low-Si master alloy preserves the full age-hardening response of the target alloy.
- Oxygen Content Minimization (O ≤ 0.03%): Ultra-low oxygen prevents ZrO2 inclusion formation that would reduce Al3Zr dispersoid number density, compromising recrystallization resistance.
- Zr Tolerance ±1.5%: Tighter composition tolerance than standard grade ensures consistent Al3Zr dispersoid volume fraction across production lots, critical for aerospace statistical process control requirements.
| Alloy | Generation | Application |
|---|---|---|
| 2099 / 2196 | 3rd Gen Al-Li | Airbus A380 floor beams, A350 stringers |
| 2050 / 2060 | 3rd Gen Al-Li | Lower wing skin, fuselage panels |
| 2098 / 2198 | 3rd Gen Al-Li | Fuselage skin for damage tolerance |
70 Chezhan North Road,Changsha, China 410100
Mobile/Whatsapp: +86-139-7515-2932
The commercial aircraft fleet is projected to double by 2042, with aluminum-lithium alloys capturing an increasing share of structural airframe weight due to their 5-8% density advantage and 10-15% stiffness improvement over conventional 2xxx and 7xxx alloys. Each new wide-body aircraft consumes approximately 20-30 metric tons of Al-Li products, driving sustained demand for high-purity zirconium master alloys.
