Niobium tubes Niobium alloy tubes :
Material: RO4200-1, RO4210-2
Size: Diameter: φ1.0-150mm
Thickness: 0.2-5.0mm
Length: 200mm-6000mm
Standard: As per ASTM B394-98
Purity: ≥99.9% or 99.95%
Table.1 Chemical composition:
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 | 0.015 | 0.004 | 0.0015 | 0.002 |
Nb2 | Remainder | 0.02 | 0.02 | 0.005 | 0.02 | 0.02 | 0.005 | 0.15 | 0.03 | 0.01 | 0.0015 | 0.01 |
Table 2. Mechanical requirements (annealed condition)
Grade | Tensile strength δbpsi (MPa), ≥ | Yield strength δ0.2, psi (MPa),≥ | Elongation in 1"/2" gage length, %, ≥ |
RO4200-1 RO4210-2 | 18000 (125) | 12000 (85) | 25 |
Hengxin metal is specialized in supplying high purity tantalum niobium zirconium titanium and other refractory metal and their semi-finished products such as plate, sheet, rod, tube, wire, fasteners, crucible, sputtering target, etc. for chemical, high temperature, electronics and other industy.
Pure metal: Niobium (99.9%, 99.95%), Tantalum (99.9%, 99.95%)
Alloy: Nb-1%Zr, Nb-10%Zr, Nb-47%Ti, Ta-2.5%W, Ta-10%W
Shape: rod, bar, plate, sheet, foil, tube, wire, crucible, boat, fastener, sputtering target, customer-design shape
Standards: ASTM B392, 393, 394, ASTM B708, 365, 521...
Our Advantage
1. Our strengths over other suppliers.
2. Reliable quality on the base of the same price.
3. Competitive price
4. Professional service to cut much purchasing costs down..
Special requirements to be agreed on by the supplier and buyer of negotiation
Niobium tube can be made according to customer's requirements.
welcome you arrive on any time and we are
willing to become long-term partners!