Injection Molding

    Injection Moldings- the most commonly used method of producing plastic parts. It is a fast process and it is used to produce large numbers of identical items from high precision engineering components to disposable consumer goods. Examples are plastic parts that we find around us in our everyday lives, consumer goods like packaging of various kinds, and more technical items like mobile phones or electronic components.   Plastic as an engineering material is also increasing in importance in the automotive industry as it can:
    • help to make the car lighter, thus reducing fuel demand and greenhouse gas emissions
    • contribute to the quicker introduction of design innovations and changes
    • provide single mold components which have helped to decrease vehicle assembly times
    • improve the functionality of the cars as more technical polymers are developed
    The molds used for injection molding are often extremely complicated and expensive. This is why the material used for the molds often need to have unique characteristics for demanding applications. It is crucial to choose the correct steel grade for each specific type of mold. Different mold materials can be used depending on the number of shots, the plastic material being used, the size of the mold and the required surface finish. Several basic mold material properties must be considered: strength and hardness, toughness, wear resistance, cleanliness, corrosion resistance and thermal conductivity. Uddeholm has long been leading the innovation of new steel grades to secure the requisite properties. Our ESR materials for high surface finish demands are renowned in the industry, as is our Uddeholm Stainless Concept, comprising corrosion resistant grades for reduced mold maintenance.
    80%

    Corrosion resistance

    10%

    Wear resistance

    50%

    Polishability

    80%

    Toughness

    100%

    Corrosion resistance

    50%

    Wear resistance

    75%

    Polishability

    80%

    Toughness

    100%

    Corrosion resistance

    40%

    Wear resistance

    50%

    Polishability

    40%

    Toughness

    95%

    Corrosion resistance

    50%

    Wear resistance

    70%

    Polishability

    70%

    Toughness

    60%

    Corrosion resistance

    90%

    Wear resistance

    80%

    Polishability

    40%

    Toughness

    20%

    Corrosion resistance

    30%

    Wear resistance

    60%

    Polishability

    90%

    Toughness

    70%

    Corrosion resistance

    40%

    Wear resistance

    80%

    Polishability

    60%

    Toughness

    90%

    Corrosion resistance

    70%

    Wear resistance

    90%

    Polishability

    60%

    Toughness

    20%

    Corrosion resistance

    40%

    Wear resistance

    70%

    Polishability

    100%

    Toughness

    20%

    Corrosion resistance

    40%

    Wear resistance

    90%

    Polishability

    100%

    Toughness

    30%

    Corrosion resistance

    80%

    Wear resistance

    30%

    Polishability

    60%

    Toughness

    80%

    Corrosion resistance

    70%

    Wear resistance

    100%

    Polishability

    50%

    Toughness

    20%

    Corrosion resistance

    90%

    Wear resistance

    50%

    Polishability

    30%

    Toughness

    80%

    Corrosion resistance

    70%

    Wear resistance

    90%

    Polishability

    50%

    Toughness

    80%

    Corrosion resistance

    80%

    Wear resistance

    95%

    Polishability

    60%

    Toughness

    65%

    Corrosion resistance

    75%

    Wear resistance

    70%

    Polishability

    40%

    Toughness

    100%

    Corrosion resistance

    75%

    Wear resistance

    80%

    Polishability

    60%

    Toughness

    30%

    Corrosion resistance

    60%

    Wear resistance

    80%

    Polishability

    80%

    Toughness

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