CMW® 3000 AMS-T-21014 AMS-7725 High Density Machinable Tungsten

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CMW® 3000 AMS-T-21014 AMS-7725 High Density Machinable Tungsten (discontinued **)
Categories:	Metal; Nonferrous Metal; Refractory Metal; Tungsten Alloy
Material Notes:	This material has been rebranded as NAECOMET® 3000. Uses: Radiation Shielding, High Mass, Gyro, Ordnance. Machinability is similar to gray iron. Information provided by CMW Inc.
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Physical Properties	Metric	English	Comments

Density	17.24 g/cc	0.6228 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell A	63 @Temperature 600 °C	63 @Temperature 1110 °F	32 HRA
Hardness, Rockwell C	25	25
Tensile Strength, Ultimate	862 MPa	125000 psi
Tensile Strength, Yield	607 MPa	88000 psi
Elongation at Break	18 %	18 %
Modulus of Elasticity	352 GPa	51100 ksi
Compressive Yield Strength	603 MPa	87500 psi
Fatigue Strength	427 MPa	61900 psi	High cycle unnotched
Charpy Impact	9.50 J	7.01 ft-lb	Notched
Charpy Impact, Unnotched	203 J	150 ft-lb

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00001724 ohm-cm	0.00001724 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	4.61 µm/m-°C @Temperature 20.0 - 400 °C	2.56 µin/in-°F @Temperature 68.0 - 752 °F
	5.36 µm/m-°C @Temperature 20.0 - 800 °C	2.98 µin/in-°F @Temperature 68.0 - 1470 °F
Thermal Conductivity	75.7 W/m-K	525 BTU-in/hr-ft²-°F
Melting Point	1425 - 3410 °C	2597 - 6170 °F
Solidus	1425 °C	2597 °F
Liquidus	3410 °C	6170 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	3.0 %	3.0 %
Nickel, Ni	7.0 %	7.0 %
Tungsten, W	90 %	90 %

**
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NCMW05 / 15876

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