Materials | R04200, R04210, R04251, R04261 |
Standard | ASTM B394 |
In Form | Round, Square, Coil, U shape |
Size | According To Customer Requirements Or Drawings |
Length | Standard & Cut Length |
Surface | Polished or According to Customer's Requirement |
Packing | Seaworthy Wooden Case |
Technique | Niobium Welded Tube, Niobium Seamless Tube |
TNTI stocks Niobium Tube (Niobium Pipe) in a variety of sizes. If you require other forms of niobium products, our sales people are very knowledgeable and can assist you.
Applications:
Niobium tube and niobium pipe are in gray metal color with high strength and conductivity. They are used in steel, ceramics, electronics, nuclear energy and superconductors.
Feature:
High melting point, High-density, High temperature oxidation resistance, Long service life, Resistance to corrosion
Testing:
We can provide the following types of testing for niobium tube:
Eddy Current test
Flaring test
Flattening test
Mechanical test
Microstructure test
Ultrasonic test
Niobium General Properties
Density |
8.57 g/cm3 |
Melting Point |
2468 ℃ |
Boiling Point |
4742 ℃ |
Thermal Conductivity |
0.537 W/cm/K @ 298.2 K |
Electrical Resistivity |
12.5 microhm-cm @ ℃ |
Electronegativity |
1.6 Paulings |
Specific Heat |
0.064 Cal/g/K @ 25 ℃ |
Heat of Fusion |
6.5 Cal/gm mole |
Chemical composition
Chemistry% |
||||||||||||
Grade |
Chief |
Impurities max |
||||||||||
|
Nb |
Fe |
Si |
Ni |
W |
Mo |
Ti |
Ta |
O |
C |
H |
N |
Nb1 |
Remainder |
0.004 |
0.003 |
0.002 |
0.004 |
0. 004 |
0.002 |
0.07 |
0.010 |
0.004 |
0.0012 |
0.002 |
Nb2 |
Remainder |
0.005 |
0.005 |
0.005 |
0.01 |
0.01 |
0 .004 |
0.10 |
0.015 |
0.01 |
0.0015 |
0.01 |
Special requirements to be agreed on by the supplier and buyer of negotitations |
Mechanical Properties
Grade(UNS) |
Annealed |
||
Tensile strength min, psi (MPa) |
Yield strength min, psi (MPa) |
Elongation min, % (1 inch gage length) |
|
R04200 |
18000 (125) |
10500 (73) |
25 |
R04210 Welded |
18000 (125) |
8500 (59) |
25 |
R04210 Seamless |
18000 (125) |
10500 (73) |
25 |
R04251 |
28000(195) |
18000(125) |
20 |
R04261 |
28000(195) |
18000(125) |
20 |
Related Products: niobium rod/bar, niobium sheet/plate, niobium pipe, niobium wire, niobium foil, niobium standard parts and so on.
TNTI supplies the highest quality Niobium Tube (Niobium Pipe) with competitive prices and unrivaled customer service. All the Niobium Tube (Niobium Pipe) offered by us will pass strict test process. We can cut, slit, shear, or center less grind Niobium Tube (Niobium Pipe) to your exact specifications. TNTI is dedicated to the processes of Continuous Improvement so that we may provide our customers with service that exceeds their expectations.