CMW® 1000 AMS-T-21014 AMS-7725 ASTM B777 High Density Machinable Tungsten

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CMW® 1000 AMS-T-21014 AMS-7725 ASTM B777 High Density Machinable Tungsten (discontinued **)
Categories:	Metal; Nonferrous Metal; Refractory Metal; Tungsten Alloy
Material Notes:	This material has been rebranded as NAECOMET® 1000. 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	16.96 g/cc	0.6127 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell A	60 @Temperature 600 °C	60 @Temperature 1110 °F	39 HRA
Hardness, Rockwell C	24	24
Tensile Strength, Ultimate	772 MPa	112000 psi
Tensile Strength, Yield	517 MPa	75000 psi
Elongation at Break	6.0 %	6.0 %
Modulus of Elasticity	280 GPa	40600 ksi
Compressive Yield Strength	683 MPa	99100 psi
Fatigue Strength	276 MPa	40000 psi	High cycle unnotched
Charpy Impact	6.10 J	4.50 ft-lb	Notched
Charpy Impact, Unnotched	14.9 J	11.0 ft-lb

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000123 ohm-cm	0.0000123 ohm-cm	(14% IACS)

Thermal Properties	Metric	English	Comments
CTE, linear	5.40 µm/m-°C @Temperature 20.0 - 400 °C	3.00 µin/in-°F @Temperature 68.0 - 752 °F
	6.35 µm/m-°C @Temperature 20.0 - 800 °C	3.53 µin/in-°F @Temperature 68.0 - 1470 °F
Thermal Conductivity	94.1 W/m-K	653 BTU-in/hr-ft²-°F
Melting Point	1200 - 3410 °C	2190 - 6170 °F
Solidus	1200 °C	2190 °F
Liquidus	3410 °C	6170 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	4.0 %	4.0 %
Nickel, Ni	6.0 %	6.0 %
Tungsten, W	90 %	90 %

**
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NCMW02 / 15874

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