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Elmet Technologies

Elmet Technologies ET97 Tungsten Heavy Alloy
Categories: Metal; Nonferrous Metal; Refractory Metal; Tungsten Alloy
Material Notes: Elmet Technologies presses and sinters high quality tungsten heavy alloy (WHA) blocks, rods, and shaped parts. All material is made in the USA at Elmet’s fully integrated facility in Lewiston, Maine. Elmet has a large and growing inventory of standard molds and sizes that can be sold “rough as sintered” or machined to provide tighter tolerances. Sintered WHA blanks can be further rolled or swaged by Elmet to produce plates, sheets, and rods. Elmet also precision machines WHA parts for use as ballast weights, radiation shields, boring bars, ordnance components, and other components that require high density and good ductility.

Information provided by Elmet Technologies.
Key Words: WNiFe Class 4; Tungsten Heavy Alloy WHA
Vendors: Elmet Technologies is a 100% US owned and operated, fully integrated manufacturer of Molybdenum, Tungsten and related alloys such as TZM, WHA & MoLa. At our 220,000 sqr/ft plant in Lewiston, Maine, Elmet manufactures W & Mo pure powders plus rod, wire, plate, sheet & foil in additional to offering fabrication and machining services. ITAR, ISO and AS9100 registered. www.elmettechnologies.com

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Physical PropertiesMetricEnglishComments
Density 18.5 g/cc0.668 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell C <= 35<= 35
Tensile Strength, Ultimate >= 689 MPa>= 99900 psi
Tensile Strength, Yield >= 517 MPa>= 75000 psi
Elongation at Break >= 2.0 %>= 2.0 %
 
Electrical PropertiesMetricEnglishComments
Magnetic Permeability >= 1.05>= 1.05
 
Component Elements PropertiesMetricEnglishComments
Iron, Fe 0.90 %0.90 %
Nickel, Ni 2.1 %2.1 %
Tungsten, W 97 %97 %
 
Descriptive Properties
AMS 7725EClass 1, Type 2
ASTM B-777Class 4
MIL-T-21014DClass 4
REACH ComplianceRegulation (EC) No. 1907/2006
RoHS Compliance2002/95/EC, 2011/65/EU
WHA Block - Ground Finish Sizes1.50"T X 4.75"W X 7.25"LTolerances: +/-0.030"; Class 1: 14.39 kg
 1.50"T X 4.750"W X 4.50"LTolerances: +/-0.030"; Class 1: 8.93 kg
 1.65"T X 1.7"W X 6.0"LTolerances: +/-0.030"; Class 1: 4.69 kg
 2.10"T X 2.375"W X 7.0"LTolerances: +/-0.030"; Class 1: 9.72 kg
 2.20"T X 3.2"W X 5.0"LTolerances: +/-0.030"; Class 1: 9.8 kg
 2.25"T X 4.75"W X 4.0"LTolerances: +/-0.030"; Class 1: 11.91 kg
 2.25"T X 4.75"W X 5.0"LTolerances: +/-0.030"; Class 1: 14.88 kg
 2.25"T X 4.75"W X 6.0"LTolerances: +/-0.030"; Class 1: 17.86 kg
 2.875"T X 4.0"W X 6.0"LTolerances: +/-0.030"; Class 1: 19.22 kg
WHA Block - Rough As Sintered Sizes1.60"T X 4.875"W X 4.625"LTolerances: +/- 3/16"; Class 1: 10 kg
 1.60"T X 4.875"W X 7.5"LTolerances: +/- 3/16"; Class 1: 16.5 kg
 1.75"T X 1.8"W X 6.2"LTolerances: +/- 3/16"; Class 1: 5.5 kg
 2.20"T X 2.5"W X 7.2"LTolerances: +/- 3/16"; Class 1: 11.25 kg
 2.30"T X 3.3"W X 5.2"LTolerances: +/- 3/16"; Class 1: 11 kg
 2.375"T X 4.9"W X 4.2"LTolerances: +/- 3/16"; Class 1: 13.75 kg
 2.375"T X 4.9"W X 5.2"LTolerances: +/- 3/16"; Class 1: 17 kg
 2.375"T X 4.9"W X 6.2"LTolerances: +/- 3/16"; Class 1: 20.5 kg
 3.0"T X 4.125"W X 6.2"LTolerances: +/- 3/16"; Class 1: 21.5 kg
WHA Round - Rough As Sintered Sizes0.720" X 12.20"Diameter Tolerance: +/-0.030"; Length Tolerance: +/-0.125"
 0.950" X 12.20"Diameter Tolerance: +/-0.060"; Length Tolerance: +/-0.125"
 1.30" X 12.20"Diameter Tolerance: +/-0.075"; Length Tolerance: +/-0.125"
 1.62" x 12.20"Diameter Tolerance: +/-0.075"; Length Tolerance: +/-0.125"
 1.90" X 12.20"Diameter Tolerance: +/-0.075"; Length Tolerance: +/-0.125"
 2.10" X 12.20"Diameter Tolerance: +/-0.090"; Length Tolerance: +/-0.125"
 2.95" X 6.25"Diameter Tolerance: +/-0.125"; Length Tolerance: +/-0.125"
WHA Round Turned Finish Sizes0.625" X 12"Diameter Tolerance:+0.015"-0.005"; Length Tolerance: +0.125"-000
 0.875" X 12"Diameter Tolerance:+0.015"-0.010"; Length Tolerance: +0.125"-000
 1.125" X 12"Diameter Tolerance:+0.030"-0.010"; Length Tolerance: +0.125"-000
 1.50" x 12"Diameter Tolerance:+0.030"-0.010"; Length Tolerance: +0.125"-000
 1.75" X 12"Diameter Tolerance:+0.030"-0.010"; Length Tolerance: +0.125"-000
 2.00" X 12"Diameter Tolerance:+0.030"-0.010"; Length Tolerance: +0.125"-000
 2.75" X 6"Diameter Tolerance:+/-0.030"; Length Tolerance: +0.125"-000

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NELMET907 / 242028




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