Cobalt Chrome Alloy Valve Seat
Cobalt Chrome Alloy
- TNM
- China
- 20-40 DAYS
- 4000pcs/month
- Information
Brief Introduction:
Cobalt Alloy valve seat is very important parts of underground oil-well pump , they always show up together and cooperate very good , no better material can replace cobalt alloy now .
The valve balls are made of Cobalt Chrome Alloy 20 and valve seat are made of Cobalt Chrome Alloy . They are a good team to resist the wear and corrosion issue in oil and gas pimping process .
What is the Details of our Cobalt Chrome Alloy seat and ball?
Material : | Cobalt 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 |
Application : | Oil well pump components , wear and corrosion resistance parts |
Instructions : | Drawing made upon cutomers request |
Usage : | one balls with one valve |
Tolerance control : | turning or grinding surface , tolerance upon drawing |
Production lead time | Samples 10 days , normal order 30 days |
Production capacity : | 40,000pcs one month. |
Package : | carton or wooden case , pallet for export |
Chemical composition :
Cobalt Chrome AlloyGrade | C | Mn | Si | Cr | Ni | Mo | W | Co | Fe | P | S | Density (g/cm3) | Hardness (HRC) |
Cobalt Chrome Alloy | 2.0-2.7 | 1.0 | 1.0 | 29-33 | 3.0 | 11-14 | Bal. | 3.0 | ≤0.03 | ≤0.03 | 8.55 | 51-55 | |
2.2-3.0 | 2.0 | 30-34 | 3.0 | 1.0 | 14-18 | Bal. | 3.0 | ≤0.05 | ≤0.05 | 8.65 | 53-59 |
API Valve Seat and ball Standard
No. | Specifications | Seat Dimensions OD/ID×H (in) | Weight (g/pc) | Ball Dimensions | Weight (g/pc) |
1 | VII-106 | 0.793/0.460×0.500 | 22.81 | 15.88 | 18.44 |
2 | VII-125 | 0.918/0.550×0.500 | 29.55 | 19.05 | 31.84 |
3 | VII-150 | 1.168/0.670×0.500 | 49.53 | 23.83 | 62.32 |
4 | VII-175 | 1.388/0.825×0.500 | 68.13 | 28.58 | 107.51 |
5 | VII-200 | 1.478/0.960×0.500 | 69.05 | 31.75 | 147.40 |
6 | VII-225 | 1.720/1.060×0.500 | 100.34 | 34.93 | 196.27 |
7 | VII-250 | 2.010/1.310×0.500 | 127.04 | 42.88 | 363.10 |
8 | VII-375-1 | 3.072/1.700×0.750 | 536.94 | 57.15 | 859.63 |
9 | VII-375-2 | 3.072/1.880×0.750 | 484.12 | 57.15 | 859.63 |
Production Process—Powder metallurgy
Mixing powder – Pressing – sintering – machining
We guarantee the balls roundness and accuracy, also the tightness of ball and seat.
Our service:
1. Supply Cobalt Chrome Alloy parts upon customer drawing and request
2. Free samples could be provided for testing
3. Both big quantity and small quantity are acceptable , Order flexible.
Contact us now for more details .
