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    冷作模具钢材料有哪些?

    来源:https://www.jnqhmj.com/ 日期:2021-01-28 发布人:admin


    模具钢有冷作和热作之分,在不同的场所使用,对模具钢的要求也不一样,因此大家在具体使用的时候,也同样是这样,冷作模具钢材料有哪些?下面我,们就对冷作模具钢做相关的了解。
    Die steel can be divided into cold work and hot work. When it is used in different places, the requirements for die steel are different. Therefore, it is the same when we use it. What are the cold work die steel materials? Next, we do the related understanding to the cold working die steel.
    冷作模具钢是指使金属在冷态下变形或成形所使用的模具钢。常用的专用冷作模具钢是Crl2型钢,其含碳量为1.45%~2.30%,含铬量为11%~13%。
    Cold working die steel refers to the die steel used to deform or form metal in cold state. The most commonly used special cold working die steel is Crl2 steel, which contains 1.45% ~ 2.30% carbon and 11% ~ 13% chromium.
    冷作模具钢
    由于冷作模具多为常温下工作,材料的塑性变形抗力大,模具的工作应力大,工作条件苛刻,综合起来这类模具性能上一般要求高的硬度和耐磨性、足够的强度、适当的韧性。
    Because most of the cold working dies work at room temperature, the plastic deformation resistance of the materials is large, the working stress of the dies is large, and the working conditions are harsh. Generally speaking, the properties of such dies require high hardness and wear resistance, sufficient strength and appropriate toughness.
    因此,冷作模具钢通常在成分上以高碳为主,以满足高硬度和高耐磨性的需要。如果为了提高模具抗冲击能力,需增加韧性时,可选用中碳钢,这时可借用热作模具钢来代替。在冷作模具钢中加入合金元素时,主要是为了提高淬透性和耐磨性,对于耐磨性要求高的模具,多采用加入碳化物形成元素。
    Therefore, the composition of cold work die steel is usually high carbon to meet the needs of high hardness and high wear resistance. If in order to improve the impact resistance of the die, it is necessary to increase the toughness, medium carbon steel can be selected. At this time, hot work die steel can be used instead. When alloy elements are added into cold working die steel, the main purpose is to improve hardenability and wear resistance. For the die with high wear resistance, carbide forming elements are often added.

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