节点：中游（冶炼、中间品）位置：中游情绪：中性参考度：2/10
青拓集团依托红土镍矿资源禀赋，通过无钼贝氏体合金设计与工艺流程革新，推出全球首发的低碳含镍贝氏体塑料模具钢Q2311Ni。该产品相较传统塑料模具钢，在硬度与组织分布均匀性、力学性能、切削性能及抛光性能上均具备显著优势。
近年来国内塑料模具钢市场规模持续扩容，年消费量超百万吨，年均增速约10%。其中1.2311（P20、3Cr2Mo）与1.2738（718）为全球应用最广的传统品种，含钼量0.15%以上，组织为回火马氏体，预硬态硬度达HRC28以上。现有产品存在三大痛点：一是含钼量不低于0.15%，合金成本高企；二是热加工后需高温长时间回火，工序成本高、效率低且..
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