Baoji Refractory metal Developer Co.,Ltd is one of the leading China tantalum tube manufacturers and suppliers, and as a professional company we have productive factory, welcome to wholesale tantalum tube, tantalum pipe products from us. ☆Chemical Composition:Chemistry % GradeChief component Impurities maxTaOtherFeSiNiWMoTiNbOCHNTa1Balance0.0040.0030.0020.0040.0040.0020.030.0150.0040.00150.002Ta2.5WBalanceW2.0~3.50.010.0050.005—0.020.0030.050.0150.010.0020.01Ta10WBalanceW9.5~110.010.0050.005—0.020.0030.050.0150.010.0020.01TaNb3BalanceNb1.5~3.50.030.030.0050.040.030.005—0.030.020.0050.025Note:Ta1=RO5200 Ta2.5W=RO5252 Ta10W=RO5255 ☆Specification:Φ6~Φ80mm×0.2~5.0×L<1300mm ☆Mechanical requirements: GradeAnnealed Tensile strengthδbpsi (MPa)≥ Yield strength δ0.2,psi (MPa)≥Elongation min, % (1"/2" inch gage length)≥ Ta1 (RO5200)30000 (207)20000 (138)25Ta2.5W (RO5252)40000 (276)28000 (193)20Ta10W (RO5255)70000 (482)60000 (414)15☆Tolerance:Out Diameter(mm)Tolerance(mm)Length(mm)Length Tolerance(mm) >1-3±0.04 ≥200~1000 +3 0 >3-5±0.06 ≥200~1000 >5-15±0.08 ≥200~1000 >15-25±0.10 ≥200~1000 >25-35±0.12 ≥1000~3000 +6 0 >35-50±0.15 ≥1000~3000 >50-65±0.17 ≥1000~3000Note:1.The tube wall thickness deviation should be allowed to do not exceed the nominal wall thickness of ±10%2.All the products can be supplied in according to customer’s requirement. Established in 1994, Refractory metal Developer is one of the largest professional manufacturers and suppliers of tantalum heavy and thin wall seamless tube in rocket engine. Leveraging on advanced technology and equipment, our company has successfully exported our products to various buyers from different regions. Now, we warmly welcome you to buy our factory supply refractory metals.