Overview
Granular titanium sponge is the primary intermediate product in titanium metal production, created via the Kroll process where titanium tetrachloride is reduced with magnesium. Its porous, granular form (typically 0.5-12mm particles) enables efficient melting for alloy production. As the foundational material for 70% of titanium applications, it bridges mined ores and finished titanium products. Industrial users value its high surface area-to-volume ratio, which facilitates subsequent processing. Major producers classify it into four purity grades (ASTM B299), with Grade 1 (99.5% Ti) being the most chemically pure. The global market is dominated by aerospace demand (60%), followed by industrial and medical sectors.
Physical and Chemical Properties
The material's defining characteristic is its honeycomb-like porous structure, resulting from magnesium chloride byproduct removal during production. This creates 25-40% void space within particles, giving an apparent density of 1.2-1.8 g/cm³ versus solid titanium's 4.5 g/cm³. Chemically, fresh sponge titanium is pyrophoric when finely divided, requiring argon storage. Its high reactivity enables alloying but necessitates careful handling. Key impurities include residual magnesium (0.01-0.1%), chlorine (0.06-0.2%), and iron (0.03-0.2%), which affect downstream processing and final alloy properties.
Main Applications
Approximately 90% of granular titanium sponge is remelted (often via VAR or EB furnaces) to produce titanium ingots for forging aerospace components like fan blades and landing gear. In chemical processing, its corrosion resistance makes it ideal for heat exchangers and reactor vessels in chloride environments. Emerging uses include additive manufacturing powder production (after hydride-dehydride processing) and as a getter material in high-vacuum systems. The medical sector utilizes high-purity grades for orthopedic implants, where controlled porosity enhances osseointegration.
Safety and Storage
Due to its pyrophoric nature when exposed to air, titanium sponge requires inert gas (argon preferred) blanketing during storage and transport. NFPA rates it as Class 4 (severe) fire hazard for powdered forms. Bulk storage areas must exclude water sources to prevent hydrogen generation. For industrial handling, dedicated titanium sponge crushers with nitrogen purging are used to control particle size. PPE should include anti-static equipment and respiratory protection when generating dust. Fire suppression requires Class D extinguishers; water intensifies titanium fires.
B2B Procurement Guide
Industrial buyers should specify: 1) ASTM grade matching end-use requirements (Grade 4 for most alloys), 2) particle size distribution (e.g., 2-8mm for VAR melting), 3) maximum allowable impurities (Fe, O, N profiles), and 4) packaging (standard 110kg steel drums with argon). Leading suppliers include VSMPO-AVISMA (Russia), TIMET (USA), and Pangang (China). Consider regional logistics -海运运输 requires hermetic sealing to prevent moisture ingress. Spot prices fluctuate with aerospace demand cycles, while long-term contracts often include TiO2 feedstock price indexing.
Related Manufacturers
- 主营：[]
- 主营：电解铜、铝锭、铅锭、海绵钛的价格、锌锭、电解钴、金属铬、电解锰、金属硅
- 主营：441工业硅、硅铁合金、电解镍、海绵钛、电解铜、铝锭、电解锰、高中低碳锰铁、3303金属硅、2202金属硅、1101金属硅、高低微碳铬铁、金属铬、锡锭、锡粒、锑锭、铬矿砂、金属锰、铅锭、铋锭、钼铁
- 主营：添加剂、金属锑、金属材料、海绵钛、高纯镁锭、高性能镍板、电解金属锰、铁金属合金、硼铁、铝粒、铝锭、金属锰、钼铁、纯铁、低铬、电解铜、金属铬、镍板、金川镍板、金属钴
- 主营：钨环、钽管、钽环、钛颗粒、镍颗粒、钽颗粒、锆颗粒、钨板、钽加工件、钛纤维板、钛花板、锆棒、钼棒、702锆丝、钽棒、钽板、镍板、铌板、铌棒、钽丝、锆板、钛管、钛合金圆棒、纯钛棒
- 主营：垃圾固废破碎机、工业滚筒烘干机、农业滚筒烘干机、锯末刨花泡沫颗粒烘干机、工业化工颗粒化工粉烘干机、双轴撕碎机、金属破碎机、多功能粉碎机、商用炒货机、连续式工业矿粉矿渣烘干机、农业黑水莽虫草鸡粪脱水机、屠宰场废料鸡毛猪毛动物毛干燥机、矿石滚筒烘干机、粉煤灰滚筒烘干机、污泥滚筒烘干机、沙子滚筒烘干机、煤泥煤泥滚筒烘干机、化工原料滚筒烘干机、多功能滚筒炒锅、矿渣铁粉干燥机、移动粮食烘干机、燃气燃煤滚筒烘干机
- 主营：抗氧剂BHT、苯磺酸、苯酚磺酸、制取海绵钛氯化法钛白、环烷酸铈、N235 萃取剂、C272萃取剂、均苯四甲酸二酐、对苯乙烯磺酸钠、氟化铝、椰油酰胺丙基甜菜碱、甘油三苯甲酸酯
- 主营：脱模剂、碘酸钾、磷酸镁、维生素c、维生素b1、维生素b6、维生素d3、二硫化钼、吡啶硫铜、香草香精、芥酸酰胺、乙基纤维素、次氯酸钙、九水硫化钠、EVA乳液、水玻璃、硅酸钠
- 主营：化工
- 主营：优氯净、甘氨酸、磷酸硼、水杨酸、硫酸锰、苯甲醇、平平加、正辛烷、一乙胺、磷酸氢、白僵菌、蛋白胨、碳酸镁、磷酸铝、异丁酸、叔丁醇、硫化钡、木质素、醋酸钡、硫化钙、氯化锌、黄原胶、磺酸钙、氟化镁、异丙醇
- 主营：导热材料、屏蔽材料、导电银浆、海绵钛、柔性电极材料、导电银胶、金浆、导电橡胶、镀银导电布、金粉、铂电极浆料、FPC软板、镀金导电布、银钯浆料、电阻浆料、导热相变材料、柔性电极
- 主营：mvr蒸发器、三效蒸发器、多效蒸发器、四效蒸发器、废水处理设备、强制循环蒸发器、降膜蒸发器、高盐废水处理设备、蒸发浓缩结晶设备、工业废水处理设备、化工废水处理设备、电镀废水处理设备、三效降膜蒸发器、换热机组、钛材mvr蒸发器、不锈钢蒸发器、废水蒸发浓缩结晶器、多效降膜蒸发器、板式mvr蒸发器、管式MVR蒸发器、三效板式蒸发器、双效MVR蒸发器
- 主营：金属钛、复合钛、熔炼添加、海绵钛、铸造铝合金
- 主营：cbn打磨、性价比、磨砂轮、抛光轮、结合剂、齿砂轮、砂轮片、树脂sdc、软磨片、100-500mm、5sg砂轮、凹砂轮、cbn砂轮、研磨盘、sdc砂轮、打磨轮、金刚石、烧结片、白刚玉、切割片、破碎料、钎焊砂轮、电镀砂轮、锯片切割、磨具工具
- 主营：锡锭、铅锭、锑锭、海绵钛、钼条、铋锭、铟锭、镁锭、金属硅、电解锰、金属铬、镉锭、海绵锆、铁合金、铝合金、铜合金、高纯镁锭、zl102铝合金锭、阴极铜、铝锭、锌锭、高碳锰铁、6063铝棒
- 主营：次磷酸、二乙二醇丁醚、乙二醇丁醚、苯酚、二甘醇、三甘醇、防冻液、甘油、乙二醇乙醚、异辛醇、1.4-丁二醇、正庚烷、正辛醇、丙三醇、二乙二醇乙醚醋酸酯、医药级丙二醇、工业级丙二醇、二甲基亚砜、氯乙酸乙酯、吗啉、碳酰肼、食品级丙二醇、1.3-丁二醇、喹啉、1.4-二氧六环
- 主营：戊二醇、己二酸、二甲胺、碘化钾、稀释剂、异辛醇、乳化剂、正辛醛、香皂香料、丁酸丁酯、六氢苯甲、红松果实、丁酸乙酯、二苯甲酮、盐酸羟胺、六氟二酐、十一烯醛、光稳定剂、己内酰胺、乙醇酸钠、2-溴苯甲醇、2-氯丙烯腈、4-氯苯甲醇、对甲苯磺酸、染料中间体