Tungsten Alloy Grades – Agescan International

Agescan Tungsten Heavy Alloy (WHA) Grade

Grade Name AgesTung-170-M AgesTung-175-M AgesTung-180 AgesTung-185 AgesTung-170-NM AgesTung-180-NM
Abbreviation AT-170M AT-175M AT-180M AT-185M AT-170NM AT-180NM
MIL-T-21014 Class 1 Class 2 Class 3 Class 4 Class 1 Class 3
ASTM B777-07 Class 1 Class 2 Class 3 Class 4 Class 1 Class 3
AMS 7725 E Class1, Type 2 Class 2, Type 2 Class 3,Type 2 Class 4, Type 2 Class1, Type 1 N/A
Composition W% 90.0% 93.0% 95.0% 97.0% 90.0% 95.0%
Binder Ni, Fe Ni, Fe Ni, Fe Ni, Fe Ni, Cu Ni, Cu
Nominal Density (g/cm3) 17.0 17.5 18.0 18.5 17.0 18.0
Typical Hardness (HRC) 26 26 28 30 26 28
Untimate Tensile Strength – Min.(psi) 110,000 110,000 105,000 100,000 95,000 95,000
Magnetic Weakly Magnetic Weakly Magnetic Weakly Magnetic Weakly Magnetic Nonmagnetic Nonmagnetic
  1. AMS-T-21014
AMS-T-21014 Class 1 Class 1 Class 2 Class 2
Composition 90W7Ni3Fe 91W6Ni3Fe 92W5Ni3Fe 93W4Ni3Fe
Density (g/cm3) 17.1±0.15 17.25±0.15 17.50±0.15 17.60±0.15
Heat Treatment Sintering Sintering Sintering Sintering
Tensile Strength (MPa) 900-1000 900-1000 900-1100 900-1100
Elongation (%) 18-29 17-27 16-26 16-24
Hardness(HRC) 24-28 25-29 25-29 26-30
AMS-T-21014 Class 3 Class 3 Class 3
Composition 95W3Ni2Fe 96W3Ni1Fe 97W2Ni1Fe
Density (g/cm3) 18.10±0.15 18.30±0.15 18.50±0.15
Heat Treatment Sintering Sintering Sintering
Tensile Strength (MPa) 920-1100 920-1100 920-1100
Elongation (%) 10-22 8-22 6-13
Hardness(HRC) 27-32 28-34 28-36
  1. Table 2 Mil-T-21014, product specification for Tungsten Heavy Alloy
Grades Mil-T-21014
Class1 Class1 Class2 Class3 Class3 Class4
Composition 90W6Ni4Cu 90W7Ni3Fe 92.5W5.25Ni2.25Fe 95W3.5Ni1.5Cu 95W3.5Ni1.5Fe 97W2.1Ni0.9Fe
Density(gm/cc;lbs/in3) 17;0.614 17;0.614 17.5;0.632 18;0.65 18;0.65 18.5;0.668
Hardness(HRC) 24 25 26 27 27 28
Ultimate tension (PSI) 110,000 120,000 114,000 110,000 120,000 123,000
yield strength 2% deviation(PSI) 80,000 88,000 114,000 110,000 120,000 123,000
Elongation(% in1″) 6 10 7 7 7 5
Proportional elastic limit(PSI) 45,000 52,000 46,000 45,000 44,000 45,000
Magnetism No data Micro-magnetic Micro-magnetic No data Micro-magnetic Micro-magnetic
ASTM-B-459-67 Grade1

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Grade2

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Grade3

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