• CuZr50 Copper Zirconium Master Alloy with 50% Zirconium Content for High Purity Electrical Contact Alloys
  • CuZr50 Copper Zirconium Master Alloy with 50% Zirconium Content for High Purity Electrical Contact Alloys
  • CuZr50 Copper Zirconium Master Alloy with 50% Zirconium Content for High Purity Electrical Contact Alloys
  • CuZr50 Copper Zirconium Master Alloy with 50% Zirconium Content for High Purity Electrical Contact Alloys
CuZr50 Copper Zirconium Master Alloy with 50% Zirconium Content for High Purity Electrical Contact Alloys

CuZr50 Copper Zirconium Master Alloy with 50% Zirconium Content for High Purity Electrical Contact Alloys

Product Details:

Place of Origin: Hunan, China
Brand Name: High Broad
Certification: ISO 9001:2015, RoHS Compliant
Model Number: WN-CuZr50-MA-02

Payment & Shipping Terms:

Minimum Order Quantity: 10 Kilograms
Price: USD 40-180 / Kilogram
Packaging Details: WNRLN branded vacuum-sealed aluminum foil bag inside argon-filled steel drum with desiccant, export-grade palletized packaging
Delivery Time: 3-5 working days for stock, 10-20 days for production
Payment Terms: T/T,L/C,PayPal,Western Union
Supply Ability: 4000 Kilograms per Month
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Detail Information

Zirconium Content: 50 ± 2 Wt% Impurities: Fe ≤ 0.12%, Si ≤ 0.08%, O ≤ 0.05%, Hf ≤ 0.5%
Melting Range: 960-1080 °C Density: ~6.6 G/cm3
Form: Waffle Ingot / Tablet / Granules Copper Content: 50 ± 2 Wt% (Balance)
Highlight:

CuZr50 Master Alloy 50 Percent Zr

,

CuCrZr Electrical Contact Additive

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High Conductivity Copper Zirconium Alloy

Product Description

CuZr50 Copper Zirconium Master Alloy 50 Percent Zr High Purity Additive for CuCrZr Electrical Contact Alloys
CuZr50 Copper Zirconium Master Alloy - 50% Zr High Purity Additive

This CuZr50 master alloy delivers 50% zirconium concentration in a copper matrix, making it the preferred zirconium source for producing CuCrZr and CuZr high-conductivity copper alloys. The elevated Zr content reduces the amount of master alloy required per melt, minimizing copper base composition disruption and improving melt efficiency.

Target Alloy Systems & Applications
  • CuCrZr (C18150/C18400): The industry-standard high-conductivity high-strength copper alloy for resistance welding electrodes, spot welding caps, and seam welding wheels. Zirconium prevents grain growth at elevated service temperatures, maintaining electrode life and weld quality.
  • CuZr (C15000): High electrical conductivity alloy with excellent softening resistance, used in vacuum interrupter contacts, high-voltage switchgear, and electrical connectors in power distribution systems.
  • CuNiSiZr: Advanced lead-free copper alloy for electronic connector terminals and automotive wire harness components, meeting global RoHS and ELV directives.
Electrical Industry Market Drivers
Application Alloy Key Requirement Met
Welding Electrodes CuCrZr Hot hardness retention > 500°C
Vacuum Interrupters CuZr / CuCrZr High conductivity + low gas content
EV Charging Connectors CuNiSiZr High strength + conductivity balance
Market Growth Outlook

The global CuCrZr and CuZr alloy market is projected to grow at CAGR 6.8% through 2030, driven by electric vehicle charging infrastructure expansion, renewable energy grid interconnections, and automation in automotive manufacturing. Our CuZr50 master alloy positions manufacturers to capture this growth with reliable, high-purity zirconium addition capability.

Jane Hu
China Hunan High Broad New Material Co., Ltd.
70 Chezhan North Road, Changsha, China 410100
Mobile/Whatsapp: +86-139-7515-2932
Wechat: 139-7515-2932
Skype: jane.hu261
QQ: 122367362
Technical Support: We provide complementary dissolution parameter optimization and recommended melt practice documentation for CuCrZr alloy production. Batch-specific ICP-OES certificate and particle size distribution report included with each shipment.

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