Tungsten Alloy
Midwest Tungsten Service specializes in high quality heavy metal tungsten alloys. We stock alloy as rod, bar, plate and sheet. Midwest Tungsten Service will custom machine alloy parts to your specifications.
| Name | MT-17C | MT-17F | MT-175 | MT-18C | MT-18F | MT-185 |
| Material |
90% W 6% Ni 4% Cu |
90% W 7% Ni 3% Fe |
92.5% W 5.25% Ni 2.25% Fe |
95% W 3.5% Ni 1.5% Cu |
95% W 3.5% Ni 1.5% Fe |
97% W 2.1% Ni 0.9% Fe |
| Density, grams/cubic centimeter | 17 gm/cc | 17 gm/cc | 17.5 gm/cc | 18 gm/cc | 18 gm/cc | 18.5 gm/cc |
| Density; lbs/in3 | 0.614 | 0.614 | 0.632 | 0.65 | 0.65 | 0.668 |
| Mil. Spec. T-21014 D | Class 1 | Class 1 | Class 2 | Class 3 | Class 3 | Class 4 |
| ASTM-B777 | Grade 1 | Grade 1 | Grade 2 | Grade 3 | Grade 3 | Grade 4 |
| Type | Type II & III | Type II & III | Type II & III | Type II & III | Type II & III | Type II & III |
| Hardness; Rockwell C | 24 | 25 | 26 | 27 | 27 | 28 |
| Ultimate Tensile Strength; PSI | 94,000 | 125,000 | 114,000 | 94,000 | 125,000 | 128,000 |
| Yield Strength, .2% Offset; PSI | 90,000 | 88,000 | 90,000 | 85,000 | 90,000 | 85,000 |
| Elongation, % in 1" | 8 | 14 | 12 | 7 | 12 | 10 |
| Proportional Elastic Limit; PSI | 45,000 | 52,000 | 46,000 | 45,000 | 44,000 | 45,000 |
| Modulus of Elasticity; PSI | 40 x 10E6 | 45 x 10E6 | 47 x 10E6 | 45 x 10E6 | 50 x 10E6 | 53 x 10E6 |
| Coefficient of Thermal Expansion x 10E-6/°C (20°- 400°C) | 5.4 | 4.8 | 4.6 | 4.4 | 4.6 | 4.5 |
| Thermal Conductivity; CGS Units | 0.23 | 0.18 | 0.2 | 0.33 | 0.26 | 0.3 |
| Electrical Conductivity; %IACS | 14 | 10 | 13 | 16 | 13 | 17 |
| Magnetic Properties | NIL | Slightly Magnetic | Slightly Magnetic | NIL | Slightly Magnetic | Slightly Magnetic |
Heavy metal alloy product sheet
You can reach us by e-mail at: mts@tungsten.com
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Midwest Tungsten Service 7101 S. Adams St. #6 Willowbrook, IL 60527 |
Toll Free: 1-800-626-0226 Phone: 1-630-325-1001 Fax: 1-630-325-3571 |