We provide products in accordance with international standards (ASTM), tailored to the sizes required by our customers, from small diameters to large diameters.
【Manufacturer】Firmetal Co., Ltd. (China). We ensure comprehensive management of all manufacturing processes from ore extraction to refining, casting, and molding, while implementing measures against antisocial labor and environmental violations. 【Product Specifications】In accordance with ASTM B394, we offer various alloys including pure niobium (R04200, R04210), alloy Nb1Zr (R04251, R04261), Nb10Zr, C-103, Cb-752, C129Y, FS-85, Nb-50Ti, and more.
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basic information
**Manufacturing Method of Niobium Tubes** - Niobium tubes are produced through hot extrusion. After electromagnetic induction heating (600°C), secondary electromagnetic induction heating (1150°C) is performed, followed by reaming. The reduction in surface area is less than 20%. Next, tertiary electromagnetic induction heating (1200°C) is carried out, and then shaping and extrusion processing is done. The extrusion ratio is below 10%, and the reduction in surface area is less than 90%. After air cooling, final shaping is completed, and the hot extrusion process is finished. - Niobium seamless tubes manufactured using this method ensure sufficient thermal process plasticity. The risk of niobium fluidity is eliminated with this manufacturing method. It meets the performance and dimensional tolerance requirements of users.
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Applications/Examples of results
Chemical plants, aerospace industry, electronic devices, and other highly corrosive environments.
Company information
Our company supports the foundational industries that sustain the Japanese economy. - In manufacturing, sourcing materials has become critical. There are special materials that are difficult to obtain in small lots. We negotiate directly with major overseas companies to provide any special materials quickly. [Titanium, Zirconium, Tantalum, Niobium, Tungsten, Molybdenum, and their alloys] - These are functional components that ensure product performance and reliability. We provide reliable functional components developed through research and collaboration with overseas partners, delivered in a short time and at low cost. [Split roller bearings, reducers, and increasers] - We offer stirring technology that is essential in various plants. We propose optimal stirring conditions tailored to the customer's process. [Stirrers, stirring simulations, magnetic drives, bottom stirring] - We provide ultra-large forged products in a short time. We guarantee forging quality through free forging using one of the world's largest forging facilities. [Roll mills, forged flanges, wind power generation components] - Special attachments that excel in civil engineering demolition and disaster recovery work. They replicate human movement through rotation from the arm.