Material: RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W) Available size: Tantalum sheet and plate:: size: up to 600mm x 5000mm thickness: as request Tantalum strip: width upto 600mm (the width according to thickness) coil weight: 50kg max. Standard: as per ASTM B708-01 Table1. Mechnical requirement Grade and size | Annealed | Tensile strength min, psi (MPa) | Yield strength min,psi (MPa)(2%) | Elongation min, % (1 inch gage length) | Sheet, plate and strip (RO5200, RO5400) Thickness<0.060"(1.524mm) Thickness≥0.060"(1.524mm) |
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| 30000 (207) | 20000 (138) | 20 | 25000 (172) | 15000 (103) | 30 | Ta-10W (RO5255) Sheet, strip Plate |
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| 70000 (482) | 60000 (414) | 15 | 70000 (482) | 55000 (379) | 20 | Ta-2.5W (RO5252) Thickness<0.125" (3.175mm) Thickness≥0.125" (3.175mm) |
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| 40000 (276) | 30000 (207) | 20 | 40000 (276) | 22000 (152) | 25 | Ta-40Nb (RO5240) Thickness<0.060"(1.524mm) Thickness≥0.060"(1.524mm) |
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| 35000 (241) | 20000 (138) | 25 | 35000 (241) | 15000 (103) | 25 |
Table 2. Permissible variations in thickness, width and length Thickness | Thickness variation A, +/- inch (mm) | Width variation B, +/-inch (mm) | Length variation after cutting adge, inch (mm) | Inch (mm) | Width<6" (152.4mm) | Width 2-24" (152.4-609.6mm) | Width<6" (152.4mm) | Width 2-24" (152.4-609.6mm) | length≤12" (304.8mm) | length>12" (304.8mm) | + | - | + | - | 0.0051-0.010 (0.129-0.254) | 0.0005 (0.0127) |
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| 0.012 (0.305) | 1/16 (1.59) | 0 | 1/4 (6.35) | 0 | 0.011-0.015 (0.279-0.381) | 0.0007 (0.0178) | 0.001 (0.0254) | 0.015 (0.381) | 0.015 (0.381) | 1/16 (1.59) | 0 | 1/4 (6.35) | 0 | 0.016-0.020 (0.406-0.508) | 0.0008 (0.0203) | 0.0015 (0.0381) | 0.015 (0.381) | 0.015 (0.381) | 1/16 (1.59) | 0 | 1/4 (6.35) | 0 | 0.021-0.030 (0.533-0.762) | 0.0015 (0.0381) | 0.0025 (0.0635) | 0.020 (0.508) | 0.025 (0.635) | 1/16 (1.59) | 0 | 1/4 (6.35) | 0 | 0.031-0.060 (0.787-1.524) | 0.0025 (0.0635) | 0.0035 (0.0889) | 0.025 (0.635) | 0.030 (0.762) | 1/16 (1.59) | 0 | 1/4 (6.35) | 0 | 0.061-0.090 (1.549-2.286) | 0.004 (0.1016) | 0.005 (0.1270) | 0.025 (0.635) | 0.035 (0.889) | 1/16 (1.59) | 0 | 1/4 (6.35) | 0 | 0.091-0.125 (2.311-3.175) | 0.006 (0.1524) | 0.007 (0.1778) |
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| 1/16 (1.59) | 0 | 1/4 (6.35) | 0 | 0.126-0.187 (3.200-4.750) | 0.010 (0.2540) | 0.010 (0.2540) |
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| 1/16 (1.59) | 0 | 1/4 (6.35) | 0 |
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