ASTM B392 Niobium Alloy Bar
Niobium is a silvery metal commonly used in the medical, aerospace and optical industries.
Niobium is a silvery metal commonly used in the medical, aerospace and optical industries. Niobium rods are widely used in chemistry, electronics, aviation and other fields due to their high melting point, corrosion resistance, and good cold workability.
Used to make accessories and brackets for high temperature vacuum furnaces
Used to manufacture reaction vessels.
For equipment resistant to nitric acid, sulfuric acid and hydrochloric acid
Used in the manufacture of superalloys and electron beam melting. (High-temperature alloys such as Ta-Nb alloy, corrosion-resistant alloy additives.)
Used in chemical and petroleum industries (corrosion-resistant equipment)
Specialized Metal Suppliers - GNEE
| Niobium and Niobium Alloys Rod & Bar Chemical Composition (wt%≤) | ||||
|---|---|---|---|---|
| Element | Niobium R04200 | Niobium R04210 | Nb-1%Zirconium R04251 | Nb-1%Zirconium R04261 |
| C | 0.01 | 0.01 | 0.01 | 0.01 |
| N | 0.01 | 0.01 | 0.01 | 0.01 |
| O | 0.015 | 0.025 | 0.015 | 0.025 |
| H | 0.0015 | 0.0015 | 0.0015 | 0.0015 |
| Zr | 0.02 | 0.02 | 0.8 to 1.2 | 0.8 to 1.2 |
| Ta | 0.1 | 0.3 | 0.1 | 0.5 |
| Fe | 0.005 | 0.01 | 0.005 | 0.01 |
| S | 0.005 | 0.005 | 0.005 | 0.005 |
| W | 0.03 | 0.05 | 0.03 | 0.05 |
| Ni | 0.005 | 0.005 | 0.005 | 0.005 |
| Mo | 0.010 | 0.020 | 0.010 | 0.050 |
| Hf | 0.02 | 0.02 | 0.02 | 0.02 |
| Ti | 0.02 | 0.03 | 0.02 | 0.03 |
| B | 2ppm | - | 2ppm | - |
| Al | 0.002 | 0.005 | 0.002 | 0.005 |
| Be | 0.005 | - | 0.005 | - |
| Cr | 0.002 | - | 0.002 | - |
| C | 0.002 | - | 0.002 | - |
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