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NAECOMET® Tungsten Based Weights & Counterbalances

Tungsten High-Density Metals: Solutions For Weights and Counterbalances

Precision Machined Weights & Counterbalances
Precision Machined Weights & Counterbalances

Raw Material in Bar Stock & Near Net Shape

NAECOMET® Tungsten Based High Density Metals have long been specified for control surface counterbalances in military and commercial aircraft.  Tungsten Heavy Alloys provide large mass in a small space as required to balance and stabilize control surfaces operating at high speeds.  A savings in total aircraft weight can result from the use of machinable tungsten because the small high density piece requires less surrounding material to enclose it. Additionally, the high strength of the material permits the part to be located for the most efficient weight effect and therefore uses a minimal amount of material.

NAECO, LLC. enjoys a long history of supplying technical materials for the aerospace, military and defense industries.  Whether you desire to balance helicopter rotor blades, stabilize control   surfaces of ailerons or rudder sections, or position the fore-cone of a missile, NAECOMET® tungsten-based, high-density metals make an excellent choice for your demanding applications.

NAECO® supplies material in a variety of forms such as as-sintered, near net-shape, or precision-machined to your exact specifications.  These materials meet existing  ML-T-21014, AMS7725D and ASTM B777 specifications for Class 1, Class 2, Class 3 and Class 4 tungsten.  All of our materials meet your DFARS and ITAR requirements.

 

If you are looking for a better solution for your weights and counterbalance needs, please contact us to discuss the properties, manufacturability and availability of our high- density metals.

Typical Properties of NAECOMET® High-Density Metals

The nominal tungsten content of our high-density materials ranges from 90% to 97% with densities from 17.0 g/cm3 to 18.5 g/cm3 respectively.  The balance is comprised of nickel and copper, or nickel and iron.

High-Density Metal Composition
% By Weight
Density G/Cm3  Or Lb/In3 Hardness Rockwell Specifications
NAECOMET® 1000 Tungsten, Nickel, Copper 90W; Ni; Cu 17 0.614 24 HRC AMS 7725D Ty 1
AMS-T-21014 Cl 1
MiL-T-21014D Cl 1
ASTM B777 Cl 1
NAECOMET® 3000 Tungsten, Nickel, Iron 90W; Ni; Fe 17 0.614 25 HRC AMS 7725D Ty 2
AMS-T-21014 Cl 1
MiL-T-21014D Cl 1
ASTM B777 Cl 1
NAECOMET® 2925 Tungsten, Nickel, Copper 92.5W; Ni; Cu 17.5 0.632 25 HRC AMS 7725D Ty 1
AMS-T-21014 Cl 2
MiL-T-21014D Cl 2
ASTM B777 Cl 2
NAECOMET® 3925 Tungsten, nickel, iron 92.5W; Ni; Fe 17.5 0.632 26 HRC AMS 7725D Ty 2
AMS-T-21014 Cl 2
MiL-T-21014D Cl 2
ASTM B777 Cl 2
NAECOMET® 2000 Tungsten, Nickel, Copper 95W; Ni; Cu 18 0.65 27 HRC AMS 7725D Ty 1
AMS-T-21014 Cl 3
MiL-T-21014D Cl 3
ASTM B777 Cl 3
NAECOMET® 3950 Tungsten, Nickel, Iron 95W; Ni; Fe 18 0.65 28 HRC AMS 7725D Ty 2
AMS-T-21014 Cl 3
MiL-T-21014D Cl 3
ASTM B777 Cl 3
NAECOMET® 3970 Tungsten, Nickel, Iron 97W; Ni; Fe 18.5 0.668 30 HRC AMS 7725D Ty 2
AMS-T-21014 Cl 4
MiL-T-21014D Cl 4
ASTM B777 Cl 4

 

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