High Hardness Cemented Tungsten Carbide Ball And Valve Seat
Feature
1. Made by 100% original raw materials
2. Various grades: WC 94%,Co 6%; WC 92%, Co 8%; WCNi and so on
3. Hip sintered, high hardness, high wear resistance
4. High strength, good temperature resistance and corrosion
resistance
5. Precise control on dimension
6. OEM Customized
7. Accept trial small order and provide professional technical
support
Application
1. Sealing of valves of oil pumps in petroleum industry's sand
containing wells
2. Viscous oil wells, sea oil wells
3. High pressure sulfur resistant oil wells
4. Suck Rod Oil Well Pump
5. Vertical well drilling tools
6. Self-activated oscillating-rotating impact drilling tools
7. Compatible cemented carbide valve seats
We can supply various grades for cemented carbide balls/pellets
according to customer's requests.
The surface finish, tolerance class and tolerances of dimensions
have respectively reached the standards of the machine industry.
The tungsten carbide valve seat is always using with carbide balls.
Grade List
| Grade | ISO Code | Chemical Composition(%) | Physical Mechanical Properties (≥) | Application |
|
| WC | Co | Density g/cm3 | Hardness(HRA) | T.R.S N/mm2 |
|
| YG3 | K01 | 97 | 3 | 14.90 | 91.00 | 1180 | Suitable for finishing of cast iron,non-ferrous metals,alloys and
non-metallic materials,and semi-finishing vehicles for intermittent
cutting. |
| YG6 | K10 | 94 | 6 | 15.10 | 92.00 | 1420 | Finishing of chilled hard alloy cast iron and heat resistant alloy
steel and ordinary cast iron. |
| YG6X | K20 | 94 | 6 | 15.10 | 91.00 | 1600 | Cast iron, non-ferrous metals and alloys, non-metallic materials,
medium to cutting, semi-finishing and finishing. |
| YG8 | K20-K30 | 92 | 8 | 14.90 | 90.00 | 1600 | Suitable for casting of cast iron, non-ferrous metals and their
alloys and non-metallic materials, roughing of sections and rough
cutting. |
| YG10 | K40 | 90 | 10 | 14.70 | 89.00 | 1900 | Suitable for the production of drawing dies, wear parts and
stamping parts and cores for hard alloy automatic presses. |
| YG10X | K40 | 89 | 10 | 14.70 | 89.50 | 2200 | Suitable for small diameter micro drills, end mills, rotary boring
tools, etc. |
| YG15 | K30 | 85 | 15 | 14.70 | 87.00 | 2100 | Forging, perforating and stamping tools for steel bars and steel
tubes with high compression ratios and working under large
stresses. |
| YG20 | K30 | 80 | 20 | 13.70 | 85.50 | 2500 | Stamping die, stamping watch parts, musical instrument spring
piece. |
| YG20C | K40 | 80 | 20 | 13.70 | 82.00 | 2200 | punching battery case, toothpaste skin mold, small size steel ball,
screw, nut stamping die, hot rolling twist drill bit plate. |
| YG30 | G60 | 70 | 30 | 12.80 | 82.00 | 2750 | Production of standard parts, bearings, tools and other industries
for cold heading, cold punching, cold pressing die. |
Grade and applicaton for valve seat
| Grade | Co (wt%) | Density (g/cm³) | Hardness(HRA) | TRS (≥N/mm²) | Application |
| XC100 | 5.8-6.2 | 14.6-15.0 | 91.5-92.5 | 2000 | Wear-resistant |
| XC101 | 5.8-6.2 | 14.6-15.0 | 91.5-92.5 | 2500 |
| XC200 | 7.8-8.2 | 14.5-14.9 | 91.0-92.0 | 2100 |
| XC201 | 7.8-8.2 | 13.5-14.9 | 91.0-92.0 | 2800 |
| XC300 | 9.8-10.3 | 14.2-14.6 | 90.5-91.5 | 2600 |
| XC301 | 9.8-10.3 | 14.2-14.6 | 90.5-91.5 | 3200 |
| Grade | Ni (wt%) | Density (g/cm³) | Hardness (HRA) | TRS (≥N/mm²) | Application |
| XN100 | 6.5-7.5 | 14.5-14.8 | 88.5-91.0 | 1800 | Corrosion-resistant |
| XN101 | 6.5-7.5 | 14.5-14.8 | 88.5-91.0 | 2200 |
| XN300 | 10.0-11.0 | 14.2-14.6 | 86.5-89.5 | 2100 |
| XN301 | 10.0-11.0 | 14.2-14.6 | 86.5-89.5 | 2400 |
| Seats dimension (mm) |
| D | d | H |
| 19.48 | 11.68 | 12.7 |
| 22.66 | 13.97 | 12.7 |
| 28.22 | 17.02 | 12.7 |
| 33.81 | 20.96 | 12.7 |
| 36.09 | 24.38 | 12.7 |
| 41.43 | 26.92 | 12.7 |
| 48.79 | 33.27 | 12.7 |
| 74.93 | 43.18 | 19.05 |
| Ball dimension (mm) |
| D±1.27(mm) |
| 15.88 |
| 19.05 |
| 23.83 |
| 28.58 |
| 31.75 |
| 34.93 |
| 42.88 |
| 57.15 |
Production Process
FAQ
Q1: How can I place order?
A1: You can contact us by email about your order details, or place
order on line.
Q2: How can I pay you?
A2: After you confirm our PI, we will request you to pay. T/T (HSBC
bank) and Paypal, Western Union are the most usual ways we are
using.
Q3: What’s the order procedure?
A3: First we discuss order details, production details by email or
TM. Then we issue you an PI for your confirmation. You will be
requested to do pr -epaid full payment or deposit before we go into
production. After we get the deposit, we start to process the
order. We usually need 7-15 days if we don’t have the items in
stock. Before production has been finished, we will contact you for
shipment details, and the balance payment. After payment has been
settled, we start to prepare the shipment for you.
Q4: How do you take care when your clients received defective
products?
A4: replacement. If there are some defective items, we usually
credit to our customer or replace in next shipment.
Q5: How do you check all the goods in the production line?
A5: We have spot inspection and finished product inspection. We
check the goods when they go into next step production procedure.
