Baoji Zhipu Non-Ferrous Metals Processing Co.,Ltd is one of the most famous China tantalum bar manufacturers and suppliers, welcome to wholesale cheap tantalum rod products from our company and factory. Specification: diameter(mm) Tolerance diameter(mm) length(mm) Tolerance length(mm) 3.0~4.5 ±0.05 200~1500 +5 >4.5~6.5 ±0.10 200~1500 >6.5~10.0 ±0.15 200~1500 >10.0~16.0 ±0.20 200~2000 +20 >16.0~18.0 ±1.0 200~2000 >18.0~25.0 ±1.50 200~2000 >25.0~40.0 ±2.0 200~2000 >40.0~50.0 ±2.50 200~2000 >50.0~65.0 ±3.00 200~2000 >65.0~150 ±4.00 200~2000 Chemical composition: Product name Chemical composition (%) C N O H Fe Si Ni Ti Mo W Nb Ta Ta1 0.01 0.005 0.015 0.0015 0.005 0.005 0.002 0.002 0.01 0.01 0.05 remain Ta2 0.02 0.025 0.03 0.005 0.03 0.02 0.005 0.005 0.03 0.04 0.1 remain TaNb3 0.02 0.025 0.03 0.005 0.03 0.03 0.005 0.005 0.03 0.04 1.5~3.5 remain TaNb20 0.02 0.025 0.03 0.005 0.03 0.03 0.005 0.005 0.02 0.04 17~23 remain TaNb40 0.01 0.01 0.02 0.0015 0.01 0.005 0.01 0.01 0.02 0.05 35~42 remain TaW2.5 0.01 0.01 0.015 0.0015 0.01 0.005 0.01 0.01 0.02 2.0~3.5 0.5 remain TaW7.5 0.01 0.01 0.015 0.0015 0.01 0.005 0.01 0.01 0.02 6.5~8.5 0.5 remain TaW10 0.01 0.01 0.015 0.0015 0.01 0.005 0.01 0.01 0.02 9.0~11 0.1 remain Package details: First,packaging with moisture-proof paperSecond, packaging with kraft paperThird, packaging with foam plastics in all side of plywood case.Finally,packing products in plywood case.