Baoji Zhipu Non-Ferrous Metals Processing Co.,Ltd is one of the most famous China niobium wire manufacturers and suppliers, welcome to wholesale cheap niobium wire products from our company and factory.Niobium metal is gray.melting point2468℃,boiling point4742℃,density8.57g/cm³.Niobium metal is stable in the air at room temperature.In the oxygen niobium metal not be completely oxidation.Under the high temperature niobium metal can be combined with C,N,S directly.And niobium metal can be with Ti,Zr,W to alloy.Not with inorganic acid or alkali, not soluble in aqua regia, but soluble in hydrofluoric acid.Product nameniobium wirestandardGB/T26012-2010gradeNb1,Nb2.purity99.95%Chemical composition：gradeChemical composition%,CONHTaFeWMoSiNiHfZrNb-10.010.030.010.00150.10.0050.030.010.0050.0050.020.02NbZr-10.010.0250.010.00150.20.010.050.010.0050.0050.020.8-1.2Specification and tolerance：diametertoleranceroundness0.2-0.5±0.0070.0050.5-1.0±0.010.011.0-1.5±0.020.021.5-3.0±0.030.03Mechanical properties：gradediameter/mmTensile strength Rm/(N/mm2)Break elongation A/%Nb1,Nb20.5-3.0≥125≥20NbZr1,NbZr2≥195≥15Quality requirement：The surface is bright and clean,no oil,crack,burr,mess around,etc.No dents and scratches .Application：For chemical,medical,glasses,electric,Electroplating, electronics, aerospace, military industry, oil and other industries.niobium wire;standard：GB/T26012-2010；grade：Nb1,Nb2;purity:99.95%;Niobium metal is gray.melting point2468℃,boiling point4742℃,density8.57g/cm³.Niobium metal is stable in the air at room temperature.In the oxygen niobium metal not be completely oxidation.Under the high temperature niobium metal can be combined with C,N,S directly.And niobium metal can be with Ti,Zr,W to alloy.Not with inorganic acid or alkali, not soluble in aqua regia, but soluble in hydrofluoric acid .