Customization: | Available |
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Application: | Aviation, Electronics, Industrial, Medical, Military |
Standard: | JIS, GB, DIN, BS, ASTM, AISI |
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Introduction of Tungsten Alloy Balls (sphere)
Tungsten heavy alloys are usually consisted of W-Ni- Fe or W-Ni- Cu or even W-Ni-Cu-Fe, some tungsten alloy is added Co, Mo, Cr, etc. It could be made as many shapes. Tungsten alloy ball is in small volume with high density, which means it could be used in some fields need the little but heavy parts
The main performance of the tungsten alloy
Appliance of tungsten heavy alloy balls (sphere)
Product Standard: ASTM B 777-15
ASTM B 777 | Standard Alloys | Nonmagnetic Alloys | |||||||
Class1 | Class2 | Class3 | Class4 | Class1 | Class2 | Class3 | Class4 | ||
Nominal Tungsten | Weight% | 90 | 92.5 | 95 | 97 | 90 | 92.5 | 95 | 97 |
Density | g/cc | 16.85 - 17.3 |
17.15 - 17.85 |
17.75 - 18.35 |
18.25 - 18.85 |
16.85 - 17.3 |
17.15 - 17.85 |
17.75 - 18.35 |
18.25 - 18.85 |
Hardness | Rockwell C max | 32 | 33 | 34 | 35 | 32 | 33 | 34 | 35 |
Ultimate Strength | Ksi | 110 | 110 | 105 | 100 | 94 | 94 | 94 | na |
Mpa | 758 | 758 | 724 | 689 | 648 | 648 | 648 | na | |
0.2 % Offset Yield | Ksi | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 |
Mpa | 517 | 517 | 517 | 517 | 517 | 517 | 517 | 517 | |
Elongation | % | 5 | 5 | 3 | 2 | 2 | 2 | 1 | na |
Grade | Composition | Performance | ||||
Density g/cm³ |
Hardness HRC |
Tensile strength MPa |
Elongation % |
Impact toughness MJ/m² |
||
W273 | 90WNiFe | 17.10±0.15 | ≥23 | ≥900 | ≥24 | ≥1.30 |
W263 | 91WNiFe | 17.25±0.15 | ≥23 | ≥900 | ≥23 | ≥1.20 |
W253 | 92WNiFe | 17.40±0.15 | ≥24 | ≥900 | ≥22 | ≥1.10 |
W243 | 93WNiFe | 17.60±0.15 | ≥24 | ≥920 | ≥20 | ≥0.90 |
W232 | 95WNiFe | 18.10±0.15 | ≥25 | ≥920 | ≥14 | ≥0.45 |
W231 | 96WNiFe | 18.30±0.15 | ≥26 | ≥920 | ≥12 | ≥0.30 |
W221 | 97WNiFe | 18.50±0.15 | ≥27 | ≥920 | ≥10 | ≥0.22 |
WNiCu | 16.00-18.50 | ≥22 | ≥450 | 2-8 |
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