Bi-metal Mud Pump Cylinder Liner for Drilling Rig Parts
Bi-metal mud pump liner for drilling rig parts
1. We produce double metal cylinder, using the most advanced centrifugal metal casting technology, forming a rough cylinder liner, liner and jacket tightly secure.
2. After heat treatment and machining, its inside liner has a substantial increase in hardness and roughness and also the higher quality in the same industry-leading .
3. The coat of cylinder liner is made of carbon steel (ZG45 steel), and its inside liner is made of high chromium alloy iron, which ensures that cylinder head hasgood wear-resistance.
4. Its HRC of cylinder liner is more than 62.
Specification :
| No. | Properties | Units | Values | Remark |
| 1 | Composition | % | Y2O3+ZrO2≥99.5% | ZrO2≥95% |
| 2 | Density | g/cm³ | 5.95-6.05 | |
| 3 | Flexural Strength | Mpa | 800-1200 | |
| 4 | Tensile Strength | Mpa | 500-600 | |
| 5 | Weibull Modulus | M | >30 | |
| 6 | Compressive Strength | Mpa | >1950 | |
| 7 | Modulus of Elasticity | Gpa | 200 | |
| 8 | Poisson `s Ratio | 0.31 | ||
| 9 | Hardness | HV0.3kg/mm² | >1120 | HB≥87 |
| 10 | Fracture Toughness | Mpam¹/² | 10th , Aug | |
| 11 | Average Grain Size | μm | 0.4-0.6 | |
| 12 | Thermal Conductivity | W/m*K | 3.08 |



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