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Our tungsten heavy alloys give you many of the benefits of pure tungsten with improved machining capabilities. These alloys come in a range of stock shapes and are ideal for use in high-density applications or for radiation shielding. We stock a range of alloys from 90% to 97% pure tungsten in a matrix of nickel/copper or nickel/iron. 

Look at our rod, bar, sheet, and plate options. We can provide custom sizes not in stock and have an in-house machine shop to produce your final products to your specifications. 

The alloys below are in stock. Other alloys can be custom made.

MT-17C: (-0/+0.003" dia) (-0 length) 17g/cc density. 90% Tungsten, 6% Nickel, 4% Copper. High quality tungsten heavy alloy (W) rod in 12" lengths conforms to international standard ASTM B777, Grade 1, Type II & III. You will receive a complimentary material cert in the safely packaged shipment. All material is lot controlled, stress relieved, and formed through high temperature pressing and sintering processes. This alloy is perfect for machine shops, labs, research and development, and DIY machinists. Tungsten alloy is much easier to machine than traditional pure tungsten. Other material names that match the same ASTM standard: HA170C, HD 17, Dens21, CMW 1000, K1701, M1000

MT-17D DieAlloy: (-0/+0.003" dia) (-0 length) 17g/cc density. 90% Tungsten, 4% Nickel, 4% Molybdenum, 2% Iron. High quality tungsten heavy alloy (W) rod in 12" lengths. You will receive a complimentary material cert in the safely packaged shipment. All material is lot controlled, stress relieved, and formed through high temperature pressing and sintering processes. This alloy is specifically designed for die casting. It will extend your die life, make castings faster, and lead to fewer rejects. Tungsten alloy is much easier to machine than traditional pure tungsten.

MT-17F: (-0/+0.003" dia) (-0 length) 17g/cc density. 90% Tungsten, 7% Nickel, 3% Iron. High quality tungsten heavy alloy (W) rod in 12" lengths conforms to international standard ASTM B777, Grade 1, Type II & III. You will receive a complimentary material cert in the safely packaged shipment. All material is lot controlled, stress relieved, and formed through high temperature pressing and sintering processes. This alloy is perfect for machine shops, labs, research and development, and DIY machinists. Tungsten alloy is much easier to machine than traditional pure tungsten. Other material names that match the same ASTM standard: HA170, HD 17D, HD17BB, SD170, CMW 3000, K1700, M3000.

MT-175: (-0/+0.003" dia) (-0 length) 17.5g/cc density. 92.5% Tungsten, 5.25% Nickel, 2.25% Iron. High quality tungsten heavy alloy (W) rod in 12" lengths conforms to international standard ASTM B777, Grade 2, Type II & III. You will receive a complimentary material cert in the safely packaged shipment. All material is lot controlled, stress relieved, and formed through high temperature pressing and sintering processes. This alloy is perfect for machine shops, labs, research and development, and DIY machinists. Tungsten alloy is much easier to machine than traditional pure tungsten. Other material names that match the same ASTM standard: HA175, HD 17.5, SD175, K1750.

MT-18C: (-0/+0.003" dia) (-0 length) 18g/cc density. 95% Tungsten, 3.5% Nickel, 1.5% Copper. High quality tungsten heavy alloy (W) rod in 12" lengths conforms to international standard ASTM B777, Grade 3, Type II & III. You will receive a complimentary material cert in the safely packaged shipment. All material is lot controlled, stress relieved, and formed through high temperature pressing and sintering processes. This alloy is perfect for machine shops, labs, research and development, and DIY machinists. Tungsten alloy is much easier to machine than traditional pure tungsten. Other material names that match the same ASTM standard: HA180C, HD 18, Dens25, CMW 2000, K1801, M2000.

MT-18F: (-0/+0.003" dia) (-0 length) 18g/cc density. 95% Tungsten, 3.5% Nickel, 1.5% Iron. High quality tungsten heavy alloy (W) rod in 12" lengths conforms to international standard ASTM B777, Grade 3, Type II & III. You will receive a complimentary material cert in the safely packaged shipment. All material is lot controlled, stress relieved, and formed through high temperature pressing and sintering processes. This alloy is perfect for machine shops, labs, research and development, and DIY machinists. Tungsten alloy is much easier to machine than traditional pure tungsten. Other material names that match the same ASTM standard: HA180, HD 18D, SD180, CMW 3950, K1800, M3950.

MT-185: (-0/+0.003" dia) (-0 length) 18.5g/cc density. 97% Tungsten, 2.1% Nickel, 0.9% Iron. High quality tungsten heavy alloy (W) rod in 12" lengths conforms to international standard ASTM B777, Grade 4, Type II & III. You will receive a complimentary material cert in the safely packaged shipment. All material is lot controlled, stress relieved, and formed through high temperature pressing and sintering processes. This alloy is perfect for machine shops, labs, research and development, and DIY machinists. Tungsten alloy is much easier to machine than traditional pure tungsten. Other material names that match the same ASTM standard: HA185, HD 18.5, SD185, CMW 3970, K1850.