Rm.2009,20th Floor,Unit C,Yuhong Plaza,No. 61 Zijingshan Road,Zhengzhou,China | metals@zzstc.com |
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Product Details:
Payment & Shipping Terms:
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Surface: | Polished,burnishing | Condition: | Vacuum Annealing/temper/quench |
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Material: | Niobium | Density: | 8.57g/cm3 |
Colour: | Grey Metallic | Shape: | Tube |
High Light: | electronic industry niobium metal products,compression resistant niobium products |
Table 1. Grade of Niobium tube
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 |
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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NbHf10-1 |
Thermal processing state(R) Annealedb(M) |
20-80 | 500-2000 | |
Note : the length of Annealing niobium tube being supplied is not greater than 2500mm.
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Table 2. Niobium tube Chemical PPM
chemistry% | ||||||||||||
designation | chief component | impurities maximum | ||||||||||
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 |
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,%,≥ |
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 |
Specification
Niobium and 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
Contact Person: Lisa Ma
Tel: 86-15036139126
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