Puyang Zhongshi Group Co., Ltd. |
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Corrosion Resistance Stellite Alloy Balls Valve Seats For Sucker Rod Pump
Product Description
Their exceptional wear resistance is due mainly to the unique inherent characteristics of the hard carbide phase dispersed in a CoCr alloy matrix.
Features
1.With the ability to withstand shock and also impact.
2.High compressive strength.
3. Hardness and resistance against wear.
NOMINAL COMPOSITION (MASS %) AND PHYSICAL PROPERTIES
Co | Cr | W | C | Others | Hardness | Density | Melting range |
Base | 29-33 | 11-14 | 2.0-2.7 | Ni, Fe, Si, Mn | 51-55HRC | 8.55g/cm³ | 1200-1400ºC
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