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Product Details:
Payment & Shipping Terms:
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| Surface: | Polished,burnishing | Colour: | Grey Metallic |
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| Condition: | Vacuum Annealing/temper/quench | Shape: | Tube |
| Density: | 8.57g/cm3 | Material: | Niobium |
| High Light: | 9000mm max length nb pipe,ro4200 niobium pipe,od150mm niobium tube |
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Abrasion Resistant Seamless Niobium Tube / Nb Tubing Niobium Seamless Tube
Brief introduction of niobium pipe:
Niobium is a gray metal and its melting point is 2468 ℃, boiling point is 4742 ℃ , density is 8.57 g / cm3.
Along with the fast development of our national economy, especially the development in aerospace and energy industry, niobium is used widely.
Specification of Niobium tube
1. Material: RO4200-1, RO4210-2
2. The Size of niobium tube: OD1.0-150mm*TK 0.2-5.0mm*L
3. Length:200mm-9000mm
4. Standard: As per ASTM B394-98
5. Purity: >=99.9% or 99.95% with best Niobium price
6. Table 1. Grade of Niobium tube
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Grade |
Suplying state |
Diameter |
Lengtha |
Voluntary Standers |
|
Nb1 Nb2 Nb3 Nb4 |
Cold state(Y) Annealedb(M) |
3.0-6.5 >6.5-10.0 >10-18 |
>500 |
ASTM B392-03 |
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Thermal processing state(R) Annealedb(M) |
>18-25 >25-40 >40-50 >50-65 |
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FNb1 FNb2 |
Thermal processing state(R) Annealedb(M) |
3.5-5.0 >5.0-12 |
>500 >300
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|
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NbHf10-1 |
Thermal processing state(R) Annealedb(M) |
20-80 |
500-2000 |
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Note : the length of Annealing niobium tube being supplied is not greater than 2500mm.
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7. Table 2. Niobium tube Chemical PPM
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chemistry% |
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designation |
chief component |
impurities maximum |
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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 |
0.01 |
0.004 |
0.0012 |
0.002 |
|
Nb2 |
Remainder |
0.005 |
0.005 |
0.005 |
0.01 |
0.01 |
0.004 |
0.1 |
0.015 |
0.01 |
0.0015 |
0.01 |
8. Table 3. Mechanical requirements of Niobium tube (annealed condition)
|
Grade |
Tensile strengthδbpsi (MPa),≥ |
Yield strength δ0.2, psi (MPa),≥ |
Elongation in 1"/2" gage length,%,≥ |
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RO4200-1 RO4210-2 |
18000 (125) |
10500 (73) |
25
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Special requirements of niobium pipe to be agreed on by the supplier and buyer of negotiations |
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Contact Person: Lisa Ma
Tel: 86-15036139126
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