China Stellite 12 Valve Balls Wear and Corrosion Resistant Cobalt Chrome V11-225 C1 Tungsten Carbide Seats Stellite Valve Seat Cobalt Alloy Valve Seat, Find details about China Cobalt, Stellite 20 from Stellite 12 Valve Balls Wear and Corrosion Resistant Cobalt Chrome V11-225 C1 Tungsten Carbide Seats Stellite Valve Seat Cobalt Alloy Valve Seat
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 |