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Expandable Alloy
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Expandable Alloy

Expandable alloys are a class of alloy materials with specific physical properties, typically used in applications where changes in shape, size, or function are required under specific environmental conditions. Unlike traditional alloys, the structural design of expandable alloys allows them to expand or contract under certain conditions, giving them unique application value in fields such as aerospace, electronics, and medical devices.
The variable properties of these alloys are usually triggered by external stimuli (such as temperature, pressure, or magnetic fields), allowing the material to self-adjust or react within a predetermined range to meet changing needs. With technological advancements, the research and application of expandable alloys continue to expand, bringing innovative solutions to various industrial and technological fields.

Production Process
We are equipped with advanced facilities and processes, capable of providing a complete range of products from raw material smelting, steel rolling, drawing, annealing heat treatment to finished products and packaging. It has played an indispensable role in industries ranging from aerospace to petrochemical. Here, you can refer to the solutions of our products in different industries.
  • 01
    Melting

    The fundamental goal of melting is to obtain a liquid metal with precise chemical composition, high purity and uniform distribution.

  • 02
    Remelting

    During this carefully controlled secondary melting process, they are gradually separated and restructured.

  • 03
    Hot Rolling

    The essence of hot rolling lies in taking advantage of the characteristics of metals, which exhibit good plasticity and low deformation resistance at high temperatures.

  • 04
    Cold Rolling

    By precisely controlled mechanical forces, the cross-sectional shape and microstructure are forcibly altered.

  • 05
    Cold Drawing

    The material undergoes plastic deformation as it passes through the gradually narrowing mold holes under a strong pulling force.

  • 06
    Heat Treatment

    Heat treatment is a meticulous and controlled process, with its objective directly aimed at the targeted optimization of material properties.

  • 07
    Welding

    According to the different alloy materials, thickness and structural requirements, a precisely matched welding process is adopted.

  • 08
    Shaped Element

    The shaping of metal components is a meticulous and progressive process that unfolds in stages, each stage laying the foundation for the final performance.

About Us
DANYANG HAIWEI ELECTRIC HEATING ALLOY CO., LTD.

Danyang Haiven Electric Heating Alloy Co., Ltd. is located in Lucheng Town, Danyang City, Jiangsu Province, China. The company was established in 2010 based on the original company "Danyang Huakang Electric Heating Alloy Co., Ltd." and has been in operation for over 40 years. Since its expansion, the company's total area has reached 30,000 square meters. The company has production lines for a series of products including FeCrAl, Kanthal, CuNi, NiCr, CuMn, Kangtong, Monel, Incoloy, Hastelloy, etc. We have equipped with advanced equipment and processes, capable of providing a complete product range from raw material melting, steel rolling, stretching, heat treatment to finished products and packaging. Standardization work and strict inspections run through every stage of the product. As Haiven people, we have always adhered to the goal of "building a first-class brand and a first-class enterprise". We uphold the spirit of "quality first, reputation foremost", providing customers with the highest quality products and competitive prices. Welcome new and old customers at home and abroad to visit and patronize. Let us achieve long-term win-win cooperation.

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