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Dimension:
Name | Tantalum rod |
Standard | ASTM B393-98 |
Dimension | Dia3~120mm |
Material | RO5200, RO5400, RO5252 (Ta-2.5W), RO5255 (Ta-10W) |
Purity | =99.9% |
Chemical Requirment: | |||||||||||||||||
Description | Chief component | Impurities Maximum | |||||||||||||||
Ta | Nb | Fe | Si | Ni | W | Mo | Ti | O | C | H | N | ||||||
Ta1 | Remainder | 300 | 40 | 30 | 20 | 40 | 40 | 20 | 150 | 40 | 15 | 20 | |||||
Ta2 | Remainder | 800 | 100 | 100 | 50 | 200 | 200 | 50 | 200 | 100 | 15 | 100 | |||||
TaNb3 | Remainder | <35000 | 100 | 100 | 50 | 200 | 200 | 50 | 200 | 100 | 15 | 100 | |||||
TaNb20 | Remainder | 170000- 230000 | 100 | 100 | 50 | 200 | 200 | 50 | 200 | 100 | 15 | 100 | |||||
Ta2.5W | Remainder | 400 | 50 | 30 | 20 | 30000 | 60 | 20 | 150 | 50 | 15 | 60 | |||||
Ta10W | Remainder | 400 | 50 | 30 | 20 | 110000 | 60 | 20 | 150 | 50 | 15 | 60 | |||||
Sizes/Tolerance (mm.max) | |||||||||||||||||
Diameter,inch(mm) | Tolerance.+/-inch(mm) | ||||||||||||||||
0.125~0.187 excl (3.175~4.750) | 0.003 (0.076) | ||||||||||||||||
0.187~0.375 excl (4.750~9.525) | 0.004 (0.102) | ||||||||||||||||
0.375~0.500 excl (9.525~12.70) | 0.005 (0.127) | ||||||||||||||||
0.500~0.625 excl (12.70~15.88) | 0.007 (0.178) | ||||||||||||||||
0.625~0.750 excl (15.88~19.05) | 0.008 (0.203) | ||||||||||||||||
0.750~1.000 excl (19.05~25.40) | 0.010 (0.254) | ||||||||||||||||
1.000~1.500 excl (25.40~38.10) | 0.015 (0.381) | ||||||||||||||||
1.500~2.000 excl (38.10~50.80) | 0.020 (0.508) | ||||||||||||||||
2.000~2.500 excl (50.80~63.50) | 0.030 (0.762) | ||||||||||||||||
Tensile Requirment: | |||||||||||||||||
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 |
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
Advantages of Tantalum Rod
1. Excellent corrosion resistance
2. High temperature strength
3. Easy to machine
4. Good biocompatibility
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