By using a full scientific excellent administration method, great quality and fantastic religion, we get good reputation and occupied this discipline for Popular Design for Tantalum Bars Grade Tta-1, The team of our company along with the use of cutting-edge technologies delivers impeccable top quality products supremely adored and appreciated by our shoppers worldwide.
By using a full scientific excellent administration method, great quality and fantastic religion, we get good reputation and occupied this discipline for Tantalum, Tantalum Bar, Tantalum Rods, Now we’re sincerely consider to grant brand agent in different areas and our agents’ maximum margin of profit is the most important thing we care about. Welcome all of the friends and customers to join us. We’re ready to share win-win corporation.
Chemical composition:
Main and minor components | Min.content(%) | ASTM B365 |
Ta | 99.95 | balance |
Impurities | Max.values (μg/g) | Max.values (μg/g) |
Fe | 100 | 100 |
Mo | 100 | 200 |
Nb | 400 | 1000 |
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 | 1 | - |
Pb | 10 | - |
Diameter and tolerance
Diameter (mm) | Diameter tolerance (mm) |
Ground | |
3.00-15.9 | ±0.05 |
16.0-24.9 | ±0.10 |
25.0-34.9 | ±0.25 |
35.0-39.9 | ±0.40 |
40.0-50.0 | ±0.80 |
Cleaned | |
3.00-4.74 | ±0.076 |
4.75-9.51 | ±0.102 |
9.52-12.69 | ±0.127 |
12.70-15.87 | ±0.178 |
15.88-19.04 | ±0.203 |
19.05-25.39 | ±0.254 |
25.40-38.09 | ±0.381 |
38.10-50.79 | ±0.508 |
50.80-63.49 | ±0.762 |
63.50-120.0 | ±1.50 |
Turned | |
30.0-49.9 | ±0.30 |
50.0-120.0 | ±0.40 |
Length and straightness:
Diameter (mm) | Production length (mm) | Stiraightness/Meter (mm) | |
Cleaned | Ground/turned | ||
3.00-9.90 | >500 | <2.5 | <2.0 |
10.0-120.0 | >300 | <2.5 | <1.5 |
Length tolerance:
Nominal length (mm) | 6-30 | 30-120 | 120-400 | 400-1000 | 1000-2000 | >2000 |
Length tolerance(mm) | ±1.0 | ±1.5 | ±2.5 | ±4.0 | ±6.0 | ±8.0 |
Density: ≥16.6g/cm³
Nondestructive testing: For diameters>15.00 mm:100% ultrasonic testing; For diameters of 0.50-50.0mm: Eddy curent tests on rods with ground surface.
Diameter(mm) | Tensile strength(MPa) | 0.2% Yield Strength (MPa) | Elongation(%) |
3.00-3.19 | ≥207 | - | ≥20 |
3.20-63.5 | ≥172 | ≥103 | ≥25 |
Surface condition:
Surface | Pickled | Ground | Turned |
φ3.0-165.0mm | φ3.0-50.00mm | φ≥30.00mm | |
Roughness | Diameter (mm) | Ra (μm) Ground | Ra (μm) Turned |
3.0-50.0 | ≤1.20 | - | |
≥30.0 | - | ≤3.2 |