90000* Series
Chemical Composition
|
Tungsten
|
6.5
|
|
Molybdenum
|
6.0
|
|
Chromium
|
4.0
|
|
Vanadium
|
2.0
|
|
Carbon
|
0.9
|
|
Cobalt
|
0.4
|
|
Nickel
|
0.4
|
|
Manganese
|
0.3
|
|
Silicon
|
0.2
|
|
Copper
|
0.1
|
|
(proprietary)
|
3.5
|
|
Iron
|
rem.
|
Physical Properties
|
Apparent hardness
|
35 HRC
|
|
Micro hardness
|
35-43 HRC
|
|
Thermal Expansion
|
.0000078"/F°
|
|
(at 1000° F)
|
* 90000 series available for extreme duty applications by special order only. Dura-Bond reserves the right to revise composition and specifications without notice.