热模具钢主要用于制造高温压力加工用模具，如热锻模、热挤压模、压铸模、热镦模等。山东模具钢锻造机械能力的提高和工件形状的复杂化，特别是加工钛合金、高合金钢、不锈钢、耐热钢等加工材料的难度增大，模具趋于大型化和高性能化。

对热作模具用钢的性能要求越来越高。传统的热作模具钢5CrNiMo和5CrMnMo由于热强度低、热稳定性低、易开裂和塌陷，使用寿命短。3Cr2W8V钢由于钨含量高，抗热振性差，容易产生热疲劳，存在开裂等缺陷。近年来，山东模具钢高热强度、高热疲劳和良好韧性的新型热作模具钢相继问世。
The performance requirement of hot working die steel is higher and higher. Traditional hot working die steels 5CrNiMo and 5CrMnMo have short service life due to their low thermal strength, low thermal stability, easy cracking and collapse. 3Cr2W8V steel is prone to thermal fatigue and cracking because of its high tungsten content and poor thermal vibration resistance. In recent years, new hot-working die steels with high thermal strength, high thermal fatigue and good toughness have been developed in Shandong Province.

在冷冲压技术中，将金属或非金属加工成零件或半成品的特殊加工设备。它是一种沿闭合或开放轮廓线分离材料的模具。如落料模、冲孔模、切断模、切断模、切边模、切断模等。
In cold stamping, a special machine for working metal or nonmetal into parts or semi-finished products. The utility model relates to a die for separating materials along a closed or open contour line. Such as blanking die, piercing die, cutting die, cutting die, cutting die, cutting die, and so on. Oh, Shit

当被冲压材料较硬或抗变形能力较高时，模具的冲头和模具应采用耐磨性好、强度高的材料。但是导柱和导套要求耐磨性和良好的韧性，所以经常采用低碳钢的表面渗碳淬火。又如，碳素工具钢的主要缺陷是淬透性差。模具零件截面尺寸较大时，淬火后其中心硬度仍较低。然而，当在具有大量冲程的压力机上工作时，由于其良好的抗冲击性，它成为一种优势。对于固定板和卸载板零件，不仅要有足够的强度，而且在工作过程中变形要小。此外，山东模具钢采用冷处理和深冷处理、真空处理和表面强化来提高模具零件的性能。对于阴阳模工作条件较差的冷挤压模具，应选用具有足够硬度、强度、韧性、耐磨性等综合力学性能的模具钢，同时应具有一定的红色硬度和热疲劳强度。

When the stamping material is hard or high resistance to deformation, Die Punch and die should be used wear-resistant, high strength of the material. But the guide post and the guide sleeve need wear resistance and good toughness, so the surface of low carbon steel is often carburized and quenched. For example, the main defect of carbon tool steel is poor hardenability. When the cross-section size of die parts is large, the hardness of the center is still low after quenching. However, when working on a press with a large number of strokes, it becomes an advantage because of its excellent impact resistance. For the fixed plate and unloading plate parts, not only have enough strength, but also in the process of deformation to be small. In addition, Shandong die steel uses cold treatment and cryogenic treatment, vacuum treatment and surface strengthening to improve the performance of die parts. For the cold extrusion die with poor working conditions, the die steel with enough hardness, strength, toughness, wear resistance and other comprehensive mechanical properties should be selected, and at the same time it should have certain red hardness and thermal fatigue strength.