Stellite Valve Seat

Stellite Valve Seat are very important parts of underground oil-well pump , they always show up together and cooperate very good , no better material can replace Cobalt-chromium Alloy now .

The valve balls are made of Cobalt-chromium Alloy 20 and valve seat are made of Cobalt-chromium Alloy 3 . They are a good team to resist the wear and corrosion issue in oil and gas pimping process .

What is the Details of our stellite valve seat and ball?

Material
Cobalt-chromium Alloy –Grade 3 and 20

Process
Powder Metallurgy , it is short for PM

Hardness
53-59HRC

Density
8.6-8.8 g/cm 3

Size
Diameter 11-60 mm

Properties
Wear and corrosion resistance, high temperature resistance