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Seamless tubes are made by extruding, reducing the size of the tubes, or deep drawing with sheet metal. The manufacturing method of welding is first formed strip, and then made into a tube, and then the joint with gas tungsten arc (GTAW) welding.
Content, Max, Weight % | ||||
Element | R05200 Uanlloyed Tantalum | R05255 90% Tantalum 10% Tungsten | R05252 97.5% Tantalum 2.5% Tungsten | R05240 60% Tantalum 40% Niobium |
C | 0.010 | 0.010 | 0.010 | 0.010 |
O | 0.015 | 0.015 | 0.015 | 0.020 |
N | 0.010 | 0.010 | 0.010 | 0.010 |
H | 0.0015 | 0.0015 | 0.0015 | 0.0015 |
Fe | 0.010 | 0.010 | 0.010 | 0.010 |
Mo | 0.020 | 0.020 | 0.020 | 0.020 |
Nb | 0.100 | 0.100 | 0.50 | 35.0~42.0 |
Ni | 0.010 | 0.010 | 0.010 | 0.010 |
Si | 0.005 | 0.005 | 0.005 | 0.005 |
Ti | 0.010 | 0.010 | 0.010 | 0.010 |
W | 0.05 | 9.1~11.0 | 2.0~3.5 | 0.050 |
Ta | Remainder | Remainder | Remainder | Remainder |
Rod, diameter 0.125" (3.18mm)~2.5" (63.5mm) | |||
Grade | Tensile strength, psi (MPa), ≥ | Yield strength, psi (MPa), ≥ | Elongation in 1 inch gage length, %, ≥ |
RO5200/RO5400 | 25000 (172) | 15000 (103) | 25 |
RO5252 | 40000 (276) | 28000 (193) | 20 |
RO5255 | 70000 (482) | 55000 (379) | 20 |
RO5240 | 40000 (276) | 28000(193) | 25 |
The heating parts and heat insulation in vacuum blast furnace
Aerospace avition industry
Cookers, coolers, various utensils and devices in the chemical industry
Medical equipment
Tantalum pipe has a variety of processing methods, the pipe varieties have extrusion tube, rolling pipe, stretching, number of spinning tube, and welded tube.Bad preparation methods mainly include tantalum tube extrusion, strip and plate welding plate spinning, etc.; Finished pipe rolling, stretching and main production methods Spinning.
Uniform wall thickness, good inner surface quality
High production efficiency. The cost is low
Easy to produce large diameter pipe
Short production cycle
Product quality is easy to control
