We can produce high quality tantalum(Ta) and its alloy(Ta10W, Ta2.5W, Ta-Nb) plate, sheet, foil, strip, ribbon, tape, rod, bar, wire, tube and pipe according to ASTM specifications. The materials are available as RO5200, RO5400, RO5252(Ta2.5W) RO5255(Ta10W)
tantalum wires Tantalum- tungsten alloy wire
Material: RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W) , Ta-7.5W
Available size: 0.25~4mm
Standard: As per ASTM B 365-98
Purity : >=99.95% or 99.99%
Table.1.Chemical composition:
Chemistry % |
Designation | Chief component | Impurities maxmium |
Ta | Nb | Fe | Si | Ni | W | Mo | Ti | Nb | O | C | H | N |
Ta1 | Remainder | | 0.004 | 0.003 | 0.002 | 0.004 | 0.004 | 0.002 | 0.03 | 0.015 | 0.004 | 0.0015 | 0.002 |
Ta2 | Remainder | | 0.01 | 0.01 | 0.005 | 0.02 | 0.02 | 0.005 | 0.08 | 0.02 | 0.01 | 0.0015 | 0.01 |
Table2. Permissible variations in diameter for rods and wires
Diameter, inch (mm) | Tolerance, +/-inch (mm) |
0.010~0.020 excl (0.254~0.508) | 0.0005 (0.013) |
0.020~0.030 excl (0.508~0.762) | 0.00075 (0.019) |
0.030~0.060 excl (0.762~1.524) | 0.001 (0.025) |
0.060~0.090 excl (1.524~2.286) | 0.0015 ( 0.038) |
0.090~0.125 excl (2.286~3.175) | 0.002 (0.051) |
Table3. Mechanical requirements (annealed condition)
Wire, Diameter, inch (mm) |
Grade | Diameter,inch (mm) | tensile strength,psi (MPa),≥ | Elongation, %, ≥ |
RO5200/RO5400 | 0.010(0.254)~0.0149(0.379) | 35000 (241) | 10 |
0.015(0.381)~0.0249(0.633) | 35000 (241) | 15 |
0.025(0.635)~0.124(3.14) | 30000 (207) | 20 |
RO5252 | 0.010(0.254)~0.0149(0.379) | 40000 (276) | 5 |
0.015(0.381)~0.0249(0.633) | 40000 (276) | 10 |
0.025(0.635)~0.124(3.14) | 40000 (276) | 15 |
RO5255 | 0.010(0.254)~0.0149(0.379) | 70000 (482) | 5 |
0.015(0.381)~0.0249(0.633) | 70000 (482) | 10 |
0.025(0.635)~0.124(3.14) | 70000 (482) | 15 |
RO5240 | 0.010(0.254)~0.0149(0.379) | 40000 (276) | 10 |
0.015(0.381)~0.0249(0.633) | 40000 (276) | 15 |
0.025(0.635)~0.124(3.14) | 40000 (276) | 20 |
Note: 10" (254mm) gage length to 0.050"(1.27mm) diameter and 1" (25.4mm) or 2"(50.8mm) gage length over 0.050"(1.27mm) diameter
Special requirements to be agreed on by the supplier and buyer of negotiation |
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
welcome you arrive on any time and we are
willing to become long-term partners!