牌号：Ta1，Ta2

                                                      标准：GB/T14841-2008；

                                                      纯度：纯钽纯度大于99.95%；

                                                      状态：退火态(M) 或 硬态(Y)；

                                                      尺寸：Φ3~Φ20mm*L 20m(Max)

                                                                Φ20~Φ90*L 4m(Max)

                                                                Φ90~Φ150*L 1m(Max)

                                                                其他尺寸要求的方棒、圆棒等等