产品描述
铌条 Niobium bars
牌号Grade: Nb-01，Nb-1,Nb-2
| 牌号 Grade | Nb-01 | Nb-1 | Nb-2 | |
| 杂质含量，%， 不大于 Impurity Content,%,max |
Ta | 0.1 | 0.25 | 2 |
| O | 0.05 | 0.15 | 0.1 | |
| N | 0.03 | 0.05 | 0.1 | |
| C | 0.02 | 0.03 | 0.5 | |
| Si | 0.005 | 0.006 | 0.03 | |
| Fe | 0.005 | 0.03 | 0.1 | |
| W | 0.005 | 0.01 | -- | |
| Mo | 0.005 | 0.005 | -- | |
| Ti | 0.005 | 0.01 | -- | |
| Al | -- | -- | 0.01 | |
| Cu | 0.003 | 0.003 | 0.003 | |
| Cr | -- | -- | 0.03 | |
| P | -- | -- | 0.02 | |
| 尺寸 Size (mm) | ≧14×14×300 | ≧14×14×300 | 20×20×(300-450) | |
| Nb-01、Nb-1沿长度方向的挠度不大于挠度尺寸的1% The flexural tolerance along the length for Nb-01 and Nb- 1bars shall not be over 1% of the length |
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| 用途 Application | 超合金及电子束熔炼 For superalloys and electron-beam melting |
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注：用户如有特殊要求，双方具体商定，Special requirements to be agreed upon by the supplier and buyer.
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