MgZr25 Magnesium Zirconium Master Alloy with 25% Zirconium Content for Grain Refinement in 5kg Waffle Ingot

Product Details:

Place of Origin: Hunan, China
Brand Name: High Broad
Certification: ISO 9001:2015
Model Number: MgZr25-5KG

Payment & Shipping Terms:

Minimum Order Quantity: 100 Kilograms
Price: USD 35.00 - 55.00 / Kilogram
Packaging Details: Vacuum-sealed aluminum foil bag, wooden pallet with moisture barrier, export-grade plywood case
Delivery Time: 5-7 working days for stock, 15-25 days for production
Payment Terms: T/T,L/C,PayPal,Western Union
Supply Ability: 20000 Kilograms per Month
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Detail Information

Zr Content: 25% ± 1% Density: ~2.0 G/cm³
Fe Max: ≤0.05% Melting Range: 650-750°C
Ingot Weight: 5kg Per Piece Si Max: ≤0.05%
Highlight:

MgZr25 Grain Refiner Alloy

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Magnesium Zirconium Master Alloy

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Aluminum Casting Grain Refinement

Product Description

MgZr25 Magnesium Zirconium Master Alloy — Precision Grain Refiner for Superior Castings

25% zirconium content master alloy engineered for exceptional grain refinement in aluminum and magnesium alloy casting. Delivers uniform, fine-grained microstructures that dramatically improve mechanical properties and casting integrity.

Key Advantages

Superior Grain Refinement

Zirconium acts as an effective nucleating agent, promoting the formation of fine, equiaxed grains throughout the casting. Reduces average grain size by 60-80% compared to unrefined alloys.

Eliminates Hot Cracking

Grain boundary strengthening from Zr addition effectively prevents hot tearing and cracking during solidification, especially in complex-shaped castings and thick-section components.

Precise 5kg Waffle Ingot

Standardized 5kg waffle ingot form enables accurate weighing and rapid dissolution in the melt. Consistent composition throughout each batch ensures reproducible alloying results.

Low Impurity Control

Stringent quality control limits iron and silicon impurities to ≤0.05% each, ensuring the master alloy introduces minimal contaminants to the final melt composition.

Technical Specifications

Alloy Grade MgZr25
Zr Content 25% ± 1%
Form Waffle Ingot
Ingot Weight 5kg per piece
Density ~2.0 g/cm³
Melting Range 650-750°C
Fe (max) ≤0.05%
Si (max) ≤0.05%

Applications

  • Aluminum alloy casting grain refinement (A356, A357, Al-Si-Mg series)
  • Magnesium alloy casting and wrought alloy production
  • Automotive cylinder heads, engine blocks, and transmission housings
  • Aerospace structural casting components
  • High-integrity sand casting and permanent mold casting
Contact US:

Jane Hu


China Hunan High Broad New Material Co., Ltd.
70 Chezhan North Road,Changsha, China 410100 
Tel:+86-731-85717705
Fax:+86-731-85716569
Mobile/Whatsapp: +86-139-7515-2932
           highbroad2@vip.163.com       

Improve your casting quality with MgZr25 grain refiner. Contact us for technical consultation, sample requests, and competitive bulk pricing.

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