Type: | Tungsten TIG Welding Electrode Rod |
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Material: | Tungsten |
Diameter: | Dia1.0, 1.2, 1.6, 2.0, 2.4, 3.0, 3.2, 4.0, 5.0, 6 |
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Tungsten Content |
Type | Diameter (mm) |
Dia.Tolerance (mm) |
Length (mm) |
L tolerance (mm) |
99.95% | Sintering rod | 40-100 | ±3 | 500max | ±5 |
99.95% | Forged rod | 20-80 | ±2 | 800max | ±5 |
99.95% | Ground rod | 2-60 | ±0.1 | 600max | ±1 |
Content of Tungsten | Content of all other elements | Content of each element |
≥99.95% | ≤0.05% | ≤0.01% |
Mechanical Properties
High Young's modulus of elasticity. Does not creep when experiencing significant forces, unlike Lead.
Despite their strength, they remain ductile and resistant to cracking.
The hardness range of the alloys is typically 20-35 Hardness HRC.
Tungsten Alloys | ||||
EFI Grade | EF17 | EF175 | EF18 | EF185 |
ASTM B 777-07 | 1 | 2 | 3 | 4 |
Weight % Tungsten | 90 | 92.5 | 95 | 97 |
Nominal Density GM/CC | 17.00 | 17.50 | 18.00 | 18.50 |
Minimum* Ultimate Tensile Strength UTS (KSI) | 110 | 110 | 105 | 100 |
Minimum* Elongation % | 5 | 5 | 3 | 2 |
Modulus of Elasticity (KSI) | 45,000 | 48,000 | 50,000 | 52,000 |
Class |
Density g/cm3 |
Hardness MN/m2 |
Resistivity μΩ.cm |
Conductivity IACS |
W50Cu50 |
11.85 |
1128 |
3.2 |
54 |
W55Cu45 |
12.30 |
1226 |
3.5 |
49 |
W60Cu40 |
12.75 |
1373 |
3.7 |
47 |
W65Cu35 |
13.3 |
1520 |
3.9 |
44 |
W70Cu30 |
13.8 |
1716 |
4.1 |
42 |
W75Cu25 |
14.5 |
1912 |
4.5 |
38 |
W80Cu20 |
15.15 |
2158 |
5.0 |
34 |
W85Cu15 |
15.9 |
2354 |
5.7 |
30 |
W90Cu10 |
16.75 |
2550 |
6.5 |
27 |