Specs : according to ASTM F560-98 R05200.
Temper : As Drawn, cold-worked or annealed and purity conforms to the recognized standard by The Food and Drug Administration (FDA) for Unalloyed Tantalum Tubing for Surgical Implant Applications.
Size Available :
Tantalum capillary, tantalum fine tube, tantalum micro tube
Outer Diameter 0.0274" up to 0.080" x Wall Thickness .004" up to .020" x Length up to 8 ft max. or
Outer Diameter 0.695 mm up to 2.032 mm x Wall Thickness 0.10 up to 0.5 mm x Length up to 2540 mm max.

Tantalum tube, tantalum tubing
Outer Diameter 0.080" up to 0.75" x Wall  .007874" up to .20" x Length up to 8 ft max. or
Outer Diameter 2.0 up to 19.05 mm x Wall Thickness 0.20 up to 5 mm x Length up to 2540 meters max.

Typical Size :
(OD=Outside Diameter or Outer Diameter, ID=Inside Diameter or Inner Diameter, WT=Wall Thickness, LG=Length)
1.0mm OD x 0.54mm ID x 0.23mm WT x 0.20" (50.8mm) LG;
1.0mm OD x 0.54mm ID x 0.23mm WT x 38.1mm LG;
1.0mm OD x 0.54mm ID x 0.23mm WT x 304.8mm LG;
1.0mm OD x 0.54mm ID x 0.23mm WT x 762mm LG;
1.0414mm OD x 0.5588mm ID x 0.2413mm WT x 5.6896mm LG(OD=0.041", ID=0.022", WT=0.0095", LG=0.224");
1.20mm OD x 0.8mm ID x 0.20mm WT x 304.8mm LG;
1.30mm OD x 0.84mm ID x 0.23mm WT x 304.8mm LG;

1.50mm OD x 1.0mm ID x 0.25mm WT x 150mm LG;
1.50mm OD x 0.5mm ID x 0.50mm WT x 150mm LG;
1.5748mm OD x 0.813mm ID x 1186mm(0.062"=OD, 0.032"=ID);
1.5875mm OD x 0.813mm ID x 0.3885mm WT x 1186mm LG(1/16"=OD, 13/16"=ID, 0.0153"=WT);
1.6256mm OD x 1.1456mm IDx0.23mm WT x 762mm LG (0.064"=OD, 0.045"=ID, 0.0094"=WT, 30"=LG);
1.727  mm OD x 1.267mm ID x 0.23mm WT x 762mm LG;

2mm OD     x  1.0mm ID x 0.5mm WT x 508mm LG;
2mm OD     x  1.4mm ID x 0.3mm WT x 18mm LG;
2.1mm OD  x  1.6mm ID x 0.25mm WT x 500mm LG;
2.4mm OD  x  1.6mm ID x 0.4mm   WT x 508mm LG;

OD5.00mm x WT 1.00mm x Length 1000mm (0.209 kg/pc);
OD6.35mm x WT 0.51mm x Length 1000mm (0.156 kg/pc);
OD6.35mm x WT 1.00mm x Length 1200mm (0.336 kg/pc);
OD7.00mm x WT 1.00mm x Length 1000mm (0.314 kg/pc);
OD8.00mm x WT 0.25mm x Length 1000mm (0.101 kg/pc);
OD9.00mm x WT 0.30mm x Length 500mm   (0.069 kg/pc);
OD10.0mm x WT 0.80mm x Length 1000mm (0.385 kg/pc);
OD10.0mm x WT 1.00mm x Length 1000mm (0.471 kg/pc);
OD10.0mm x WT 1.00mm x Length 1016mm (0.479 kg/pc);
Typical application:  medical grade of tantaum tube used as radiopaque markers and the surgical implants material or medical device.
Tantalum seamless tubing may be cut into tantalum cut tubing used as radiopaque marker bands and other application, tantalum marker bands are used as medical device components where radiopacity is required. e.g. tantalum capillary or tantalum cut tubing ASTM F560 (medical grade) was cut into the miniature tantalum markers(radiopaque marker), which is the suture radiopaque marker placement, tantalum myocardial markers (inner diameter 0.8 mm, outer diameter 1.3 mm, length 1.5 to 3.0 mm) were inserted beneath the left ventricular (LV) epicardial surface along 4 equally spaced longitudinal meridians for LV volume determination.

The implantation of tantalum as a radiopaque marker into the submucosal layer of the GI tract in a porcine model is technically feasible and safe. Long-lasting fluoroscopically visible tantalum markings could facilitate subsequent surgical and radiation therapy, in which, Gold and tantalum are mentioned as materials which are more visible under X-ray illumination than the stainless steel metal of the stent.

Tantalum tubing can be processed into tantalum ring electrodes.

ASTM F 560 medecal grade Tantalum, element #73, is a shiny, flexible, and highly radio-opaque metal. Though more brittle than stainless steel, tantalum exhibits high ductility and resistance to corrosion.

ASTM F 560 medecal grade Tantalum is ideal for viewing and supporting, but more biocompatible options exist.

ASTM F 560 medecal grade Tantalum is a highly radiopaque material, which is easily seen on fluoroscopy.

ASTM F 560 medecal grade tantalum exhibits excellent radiopacity and it is also Magnetic Resonance Imaging (MRI)-compatible.

The bioinertness of tantalum was reconfirmed as was its suitability for use as skeletal and soft tissue radiographic markers. 

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