Eagle
Materials

17

90%W
6 % NI
4% Cu

17D

90% W
7% NI
3% Fe

17.5

92.5%W
5.25%NI
2.25% FE

17.5

92.5% W
Balance
NI Fe Mo

17.7

93%W
Balance
Ni Fe Mo

18

95% W
3.5% NI
1.5% CU

18D

95% W
3.5% Ni
1.5% FE

18.5

97%
2.1% Ni
.9% Fe

AMS-21014


SAE Aero Material Spec 7725B


ASTM-B-777-87

Class 1



7725B





Class1

Class 1



7725B





Class1

Class2



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Class2

Diemetal



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Super Chatter Free

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Class3



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Class 3

Class3



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Class 3

Class 4



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Class 4

Density Gms/cc

Density lbs/cu in

17


.614

17


.614

17.5


.632

17.6


.636

17.7


.639

18


.650

18


.650

18.5


.660

Hardness Rockwell C

24

25

26

30

32

27

27

26

Ultimate Tensile Strength (psi)

110,000

120,000

114,000

120,000

125,000

110,000

120,000

123,000

Yield Strength .2% offset (PSI)

80000

88000

84000

80000

95000

85000

90000

85000

Elongation

6

10

7

4

4

7

7

5

Proportional Elastic Limit (psi)

45000

52000

46000

55000

60000

45000

44000

45000

Modulus of Elasticity (psi)

40x10(6)

45x10(6)

47x10(6)

52x10(6)

53x10(6)

45x10(6)

50x10(6)

53x10(6)

Coefficient of thermal expansion x10%C(20-400°C)

5.4

4.61

4.62

4.5

4.5

4.43

4.6

4.5

Thermal Conductivity (CGS units)

.23

.18

.20

.27

.27

.33

.26

.30

Electrical Conductivity (% ACS)

14

10

13

14

14

18

13

17

Magnetic Properties

NIL

Slightly magnetic

Slightly magnetic

Slightly magnetic

Slightly magnetic

NIL

Slightly magnetic

Slightly magnetic