Baoji Refractory Metal Developer Co.,Ltd is one of the leading China niobium bar manufacturers and suppliers,Website:http://www.rmd1994.com, and as a professional company we have productive factory, welcome to wholesale niobium bar, niobium rod products from us.² Chemical Composition: Chemistry %GradeNbImpurities maxZrTiCNOHTaFeSiWNiMoCrNb1Remainder0.020.0020.010.0150.0150.0010.100.0050.0050.030.0050.0100.002Nb2Remainder0.020.0050.020.050.0250.0050.250.030.020.050.010.0500.01² Specification：DescriptionDiameter (mm)Length (mm)RodΦ1.00~Φ12.0050~2000BarΦ12.00~Φ20.0050~2000Φ20.00~Φ30.0050~1200Φ30.00~Φ50.0050~1000Note:All the products can be supplied in according to customer’s requirement.² Tolerance：Diameter, inch (mm)Tolerance, +/-inch (mm) 0.030~0.060(0.76~1.52) 0.001 (0.025) 0.060~0.090(1.52~2.29) 0.0015 (0.038) 0.090~0.125(2.29~3.18) 0.002(0.051) 0.125~0.187 (3.18~4.75) 0.003 (0.076) 0.187~0.375(4.75~9.53) 0.004(0.102) 0.375~0.500 (9.53~12.7) 0.005(0.127) 0.500~0.625 (12.7~15.9) 0.007(0.178) 0.625~0.750 (15.9~19.1) 0.008(0.203) 0.750~1.000(19.1~25.4) 0.010(0.254) 1.000~1.500(25.4~38.1) 0.015(0.381) 1.500~2.000(38.1~50.8) 0.020(0.508) 2.000~2.500(38.10~50.80) 0.030(0.762)Note:Special demands on tolerance available.
