Tungsten DieAlloy (W Ni Mo Fe)

These alloys contain 90% tungsten with nickel, molybdenum, and iron added. Unlike pure tungsten, heavy alloy can be conventionally machined and is less expensive.

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Three tungsten alloy sheet and plate pieces of increasing thickness stacked and fanned out

MT-17D Tungsten DieAlloy Overview

MT-17D Tungsten DieAlloy is ideal for die casting applications. It is 90% tungsten in a matrix of nickel, molybdenum, and iron. MTS can custom machine any alloys to finished parts according to your specifications. We carry an extensive inventory of tungsten alloys and provide quick turnaround for those items not in stock.

Tungsten DieAlloy Properties & Uses

Tungsten DieAlloy Advantages

Increase your casting speed
Improve longevity of your dies
Maximize efficiency with fewer rejects

Tungsten DieAlloy Properties

Material Name	MT-17D Tungsten DieAlloy
Composition	90% tungsten, balance nickel, molybdenum and iron
Density	about 17.0–17.3 g/cm³ (0.614–0.625 lb/in³)
Hardness, Rockwell C (typical)	about 34
Ultimate Tensile Strength (typical)	about 138,000 psi (950 MPa)
Yield Strength 0.2% (typical)	about 94,000 psi (650 MPa)
Elongation (typical)	about 5%
Magnetic	Slightly magnetic

Typical values for 90% tungsten / nickel-molybdenum-iron die alloys from published producer data; actual properties are reported on MTS material certifications, available on request with purchase.

Custom Tungsten DieAlloy Solutions

While tungsten’s extreme hardness and high melting point make it notoriously difficult to machine, our experienced team specializes in taming this "unmachinable" metal. Using a combination of multi-axis CNC milling and advanced EDM drilling, we manufacture complex tungsten components to your exact prints with tolerances as tight as ±0.0005". Whether you need custom-sized raw materials or intricate finished parts, we deliver precision-engineered solutions with industry-leading speed.

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Shop In-Stock Tungsten DieAlloy Materials

Tungsten Bucking Bar

Make your job easier! MTS high-density tungsten bucking bars are 50% more dense than lead and over twice the density of steel!

Please select Tungsten Bucking Bar
Fabricating Tungsten Alloy

Refractory Metal Supply and Fabrication

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Tungsten Alloy Race Car Weight

Midwest Tungsten Service carries stock weights and custom manufactures chassis and rail weights for high-performance vehicles.

Please select Tungsten Alloy Race Car Weight