China Stellite 20/12 Valve Balls Wear and Corrosion Resistant Cobalt Chrome Tungsten Alloy Carbide Ball, Find details about China Cobalt, Stellite 20 Valve and Balls from Stellite 20/12 Valve Balls Wear and Corrosion Resistant Cobalt Chrome Tungsten Alloy Carbide Ball
1.Product Name:Stellite 20 Valve Balls
2.Material Grade:Stellite 20
4.Process:Cast Process
5.What`s the Material of our Valve Seat ?
8..Chemical Composition:
Standard:
Type | Fluid, mm2 | Dw, mm | D, mm | d mm | H, mm |
V11-106 | 107 | 15.8750 | 20.142 | 11.68 | 12.70 |
V11-125 | 153 | 19.0500 | 23.317 | 13.97 | 12.70 |
V11-150 | 227 | 23.8125 | 29.667 | 17.02 | 12.70 |
V11-175 | 345 | 28.5750 | 35.255 | 20.96 | 12.70 |
V11-225 | 569 | 34.9250 | 43.688 | 26.92 | 12.70 |
V11-250 | 869 | 42.8625 | 51.054 | 33.27 | 12.70 |
V11-375 | 1623 | 57.1500 | 78.029 | 45.47 | 19,05 |
Chemical Composition:
Composition (%) | C | Si | Mn | Cr | Ni | S | P | Mo | W | Fe | Co | Hardness |
Stellite 20 Balls | 2.30-3.00 | ≤1.5 | ≤1.0 | 31.0-36.0 | ≤3.0 | ≤0.04 | ≤0.04 | ≤1.0 | 16.0-19.5 | ≤3.0 | Bal. | HRC:52-60 |