基础金属	铜电解铜铜精矿铜管铜棒废铜铜排铜合金精铜杆再生铜杆铜板带铝铝土矿氧化铝电解铝铝辅料铝棒铝合金锭废铝铝杆铝型材铝板卷铅铅精矿铅锭铅蓄电池再生精铅还原铅废铅蓄电池铅合金锌锌精矿电解锌锌合金氧化锌锌粉锡锡精矿锡锭锡材
稀有金属	稀土稀土矿稀土氧化物稀土金属钕铁硼稀散金属锑铋铟锗镓硒钽锆贵金属白银钨钨精矿钨粉碳化钨钨酸钠钨条钨铁钨材钼钼精矿工业氧化钼钼铁钼化工高纯三氧化钼钼金属钛钛精矿钛渣四氯化钛海绵钛钛金属钛白粉
新能源	锂锂矿锂化合物金属锂镍镍矿镍铁精炼镍镍盐高冰镍 MHP 钴电解钴钴粉氯化钴四氧化三钴硫酸钴钴中间品氧化钴碳酸钴钴酸锂锰锰矿电解锰电池级硫酸锰锂电正负极三元前驱体磷酸铁正极材料石油焦针状焦包覆沥青人造石墨硅碳负极硅氧负极电解液隔膜隔膜电解液电芯

龙鼎铝业 4 系单层钎焊坯料试产成功：连铸连轧技术破局高端铝材

2025-09-26 15:53:40 来源：北方有色网责任编辑：王欣悦

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龙鼎铝业连铸连轧分厂试生产4系单层钎焊坯料取得成功，开创国际铝加工领域先例，标志着连铸连轧技术在该高端材料应用上实现“从无到有”的突破。此前传统钎焊材料多为复合结构，工序复杂、成本高，而龙鼎通过成分精准调控与工艺路径革新，破解了单层结构与钎焊性能的协同难题——优化元素配比解决“可钎焊性与强度对抗”痛点，首次将连铸连轧技术应用于此，提升生产效率超30%，并严控材料均匀性误差。

这一突破对产业链意义重大，在汽车热管理领域尤为突出。它能让下游汽车热交换器厂商原材料成本降低15%～20%，同时提升材料抗疲劳性能，延长新能源汽车电池冷却系统寿命，还打破了欧美企业在高端钎焊材料领域的技术垄断，推动我国热传输铝合金材料从跟跑向领跑跨越，且契合绿色制造对耐蚀性、可加工性、回收性的要求。

从市场与应用看，全球汽车热交换器用铝合金市场规模超800亿元，新能源汽车需求旺盛，龙鼎该坯料精准匹配其高标准。目前应用已延伸至汽车核心部件(提升散热效率、助力续航)、高端制造配套(适配5G基站高负荷)、工程机械领域(提升耐冲击性能)等多场景。未来，龙鼎将加大研发投入，拓展元素调控范围、开发超薄坯料，助力我国高端铝材自主可控率在2027年提升至80%，摆脱进口依赖。

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