Niobium Grade Chemical Composition
|
Element |
R04200 |
R04210 |
R04251 |
R04261 |
|
Carbon |
0.01 |
0.01 |
0.01 |
0.01 |
|
Nitrogen |
0.01 |
0.01 |
0.01 |
0.01 |
|
Oxygen |
0.015 |
0.025 |
0.015 |
0.025 |
|
Hydrogen |
0.0015 |
0.0015 |
0.0015 |
0.0015 |
|
Zirconium |
0.02 |
0.02 |
0.8 to 1.2 |
0.8 to 1.2 |
|
Tantalum |
0.1 |
0.3 |
0.1 |
0.5 |
|
Iron |
0.005 |
0.01 |
0.005 |
0.01 |
|
Silicon |
0.005 |
0.005 |
0.005 |
0.005 |
|
Tungsten |
0.03 |
0.05 |
0.03 |
0.05 |
|
Nickel |
0.005 |
0.005 |
0.005 |
0.005 |
|
Molybdenum |
0.01 |
0.02 |
0.01 |
0.05 |
|
Hafnium |
0.02 |
0.02 |
0.02 |
0.02 |
|
Titanium |
0.02 |
0.03 |
0.02 |
0.03 |