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High quality Very first,and Consumer Supreme is our guideline to offer the most beneficial service to our consumers.At present, we’re attempting our greatest to be among the top exporters in our area to fulfill buyers far more need to have for Tantalum, Tantalum Foil, Tantalum Sheet, We aspire to meet the demands of our customers globally. Our range of merchandise and services is continuously expanding to meet customers’ requirements. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
Chemical composition:
| Main and minor components | Min.content(%) | ASTM B386 (361) |
| Ta | 99.95 | balance |
| Impurities | Max.values (μg/g) | Max.values (μg/g) |
| Fe | 100 | 100 |
| Mo | 100 | 200 |
| Nb | 400 | 100 |
| Ni | 50 | 100 |
| Si | 50 | 50 |
| Ti | 50 | 100 |
| W | 100 | 500 |
| C | 30 | 200 |
| H | 15 | 15 |
| N | 50 | 100 |
| O | 100 | 250 |
| Cd | 10 | - |
| Hg | 10 | - |
| Pb | 10 | - |
Dimensions and toleraces
| Thickness (mm) | Thickness tolerance (±mm or % of the thickness） | Width tolerance±mm | |
| Width≤320mm | 320mm≤Width≤610mm | ||
| 0.10 | 0.008 | 0.5 | |
| 0.10-0.15 | 0.010 | 0.5 | |
| 0.15-0.30 | 0.010 | 0.5 | |
| 0.30-0.40 | 0.015 | 0.037 | 1.6 |
| 0.40-0.60 | 0.020 | 0.050 | 1.6 |
| 0.60-0.80 | 0.030 | 0.065 | 1.6 |
| 0.80-1.00 | 0.035 | 0.080 | 1.6 |
| 1.00-2.50 | 0.040 | 0.100 | 2.0 |
| 2.50-6.00 | 0.060 | 4% | 2.0 |
| 6.00-12.70 | 5% | 2.0 | |
Length tolerance:The length tolerance for sheet length up to 1000mm maximal +5/-0 mm.
Flatness:max.4% (measuring procedure on the basis of ASTM B708)
Density: ≥16.6g/cm³
Vicker hardness: Thickness≥0.15mm : ≤125HV
Tensile test:
| Thickness (mm) | Tensile Strength Min. (MPa) | 0.2% Yield strengt Min.(MPa) | Elongation Min.(%) |
| 0.10-0.15 | 250 | 180 | 15 |
| 0.15-1.50 | 230 | 160 | 20 |
| 1.50-12.70 | 225 | 140 | 30 |
Appearance:The material will be of uniform quality, free from foreign matter, splits and fractures.Bed sheets (not trimmed) may bave small edge cracks.