Niobium 阅读量:866
2021
牌号:RO4200-1,RO4210-2 规格:Φ3.0~Φ100mm 执行标准: ASTM B 392 -98 成份说明: 成份% 牌号 主要成份 其它杂质 最大 Nb Fe Si Ni W Mo Ti Ta O C H N Nb1 剩余 0.004 0.004 0.002 0.005 0.005 0.002 0.05 0.012 0.0035 0.0012 0.003 Nb2 剩余 0.01 0.01 0.005 0.02 0.01 0.004 0.07 0.015 0.0...
Niobium 阅读量:8372021
Niobium and tantalum are often associated, but the content of niobium in the crust is about 2.4 × 10 -3%, 10 times that of tantalum, mainly in the form of niobium iron ore. Generally, the corrosion resistance of niobium is higher than that of titanium and zirconium and slightly lower th...
Company News 阅读量:68662019
Tantalum is a metal element with atomic number 73 and chemical symbol TA. The elemental substance corresponding to the element is steel gray metal, which has extremely high corrosion resistance. It does not react with hydrochloric acid, concentrated nitric acid and “aqua regiaR...
Common Problem 阅读量:56602019
Industry News 阅读量:4479
2019
Shaanxi Zhongheng Weichuang metal materials Co., Ltd. is located in Baoji high tech Development Zone, Shaanxi Province. The company’s main products are tantalum, niobium, titanium, zirconium, nickel, vanadium, and its alloy plates, strips, foils, rods, wires, tubes and oth...
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