Stellite Valve Cages for API Sucker Rod Pumps
Material: stellite alloy (Brand:3,6,12,20,etc. upon the application )
Process: powder metallurgy / precision casting
Density: 8.4g/cm3
Hardness: 37-55HRC
Dimensions: upon customer's need
Nominal composition (mass%) and physical properties
Co
|
Cr
|
W
|
C
|
Others
|
Hardness
|
Density
|
Melting range
|
Base
|
27-31
|
3.5-5.5
|
0.9-1.4
|
Ni, Fe, Si, Mn, Mo
|
38-44HRC
|
8.35g/cm³
|
1280-1410ºC
|
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