Cemented Tungsten Carbide Precision Balls With 100% Virgin
Materials
Features
Tungsten carbide balls and valve seats have the compositions of
tungsten carbide(WC) and Co or Ni or Mo additives. With high
compression strength, excellent wear resistance and well shock and
impact resistance, tungsten carbide balls and valve seats are
widely supplied as ball-rolling element in bearing industry, pump
valve spool for fluid seal, check valve for petroleum
digger,industrial sprayers to regulate the flow of fertilizers or
pesticides to crops.
Tungsten carbide balls can be also applied in a drastically
different application, it can be employed as pen balls due to their
inert chemical properties. Besides, in miniature flow control
devices, such as medical instrumentation and ink-jet printing,
tungsten carbide balls are also frequently used.
Applications
Widely used in where extreme hardness and wear resistance is
required, such as bearings, ball screws, valves and flow meters,
pen, spraying machines, pump, machinery parts, oil, hydrochloric
zcid lab, hardness measuring instrument, and so high-end industry.
Grade List
Cobalt Binder Grades |
|
Grade | Binder(wt%) | Density(g/cm3) | Hardness(HRA) | TRS(≥N/mm2) |
YG3 | 3 | 15.30 | 91.00 | 1180 |
YG6 | 6 | 15.10 | 92.00 | 1420 |
YG6X | 6 | 15.10 | 91.00 | 1600 |
YG8 | 8 | 14.90 | 90.00 | 1600 |
YG10 | 10 | 14.70 | 89.00 | 1900 |
YG10X | 10 | 14.70 | 89.50 | 2200 |
YG15 | 15 | 14.20 | 87.00 | 2100 |
YG20 | 20 | 13.70 | 85.50 | 2500 |
YG20C | 20 | 13.70 | 82.00 | 2200 |
YG30 | 30 | 12.80 | 82.00 |
|
| Ball dimension (mm) |
| D±1.27(mm) |
| 15.88 |
| 19.05 |
| 23.83 |
| 28.58 |
| 31.75 |
| 34.93 |
| 42.88 |
| 57.15 |
Model/Item | V11-106 | V11-125 | V11-150 | V11-175 | V11-200 | V11-225 | V11-250 | V11-375 |
Ball-D
+0.020/-0.010
(+0.51/-0.25) | 15.88
(0.625in) | 19.05
(0.75in) | 23.83
(0.938in) | 28.58
(1.125in) | 31.75
(1.25in) | 34.93
(1.375in) | 42.88
(1.688in) | 57.15
(2.25in) |
Seat-ID
± 0.050 (± 1.27) | 11.68
(0.46in) | 13.97
(0.55in) | 17.02
(0.67in) | 20.96
(0.825in) | 24.38
(0.96in) | 26.92
(1.06in) | 33.27
(1.31in) | 43.18
(1.7in) |
Seat-OD
+0.000/-0.005
(+0.00/-0.13) | 20.14
(0.793in) | 23.32
(0.918in) | 29.67
(1.168in) | 35.26
(1.388in) | 37.54
(1.478in) | 43.69
(1.72in) | 51.05
(2.01in) | 78.03
(3.072in) |
Seat-H
+0.020/-0.010
(+0.51/-0.25) | 12.70
(0.500in) | 12.70
(0.500in) | 12.70
(0.500in) | 12.70
(0.500in) | 12.70
(0.500in) | 12.70
(0.500in) | 12.70
(0.500in) | 19.05
(0.750in) |
| 10600 | 12500 | 15000 | 17500 | 20000 | 22500 | 25000 | 37500 |
D
(customized) | Inch | 0.625 | 0.725 | 0.938 | 1.125 | 1.250 | 1.375 | 1.688 | 2.250 |
| mm | 15.88 | 19.05 | 23.83 | 28.58 | 31.75 | 34.93 | 42.88 | 57.15 |
H -0.020/-0.010
(+0.51/0.25) | Inch | 0.500 | 0.500 | 0.500 | 0.500 | 0.500 | 0.500 | 0.500 | 0.750 |
| mm | 12.70 | 12.70 | 12.70 | 12.70 | 12.70 | 12.70 | 12.70 | 19.05 |
FZ +0.000/-0.031
(+0.00/-0.78) | Inch | 0.767 | 0.892 | 1.11 | 1.331 | 1.421 | 1.631 | 1.921 | 2.950 |
| mm | 19.48 | 22.66 | 28.22 | 33.81 | 36.09 | 41.43 | 48.79 | 74.93 |
OD +0.000/-0.005
(-0.00/-0.13) | Inch | 0.793 | 0.918 | 1.168 | 1.388 | 1.478 | 1.720 | 2.010 | 3.072 |
| mm | 20.14 | 23.32 | 29.67 | 35.26 | 37.54 | 43.69 | 51.05 | 78.03 |
ID +/-0.050
(+/-1.27) | Inch | 0.460 | 0.550 | 0.670 | 0.825 | 0.960 | 1.060 | 1.310 | 1.700/1.800 |
| mm | 11.68 | 13.97 | 17.02 | 20.96 | 24.38 | 26.92 | 33.27 | 43.18/47.75 |
Dimensional Symbol | V11-106 | V11-125 | V11-150 | V11-175 | V11-200 | V11-225 | V11-250 | V11-375 |
Ball-D
+0.020/-0.010
(+0.51/-0.25) |
15.88
(0.625in) |
19.05
(0.75in) |
23.83
(0.938in) |
28.58
(1.125in) |
31.75
(1.25in) |
34.93
(1.375in) |
42.88
(1.688in) |
57.15
(2.25in) |
Seat-ID
± 0.050
( ± 1.27) |
11.68
(0.46in) |
13.97
(0.55in) |
17.02
(0.67in) |
20.96
(0.825in) |
24.38
(0.96in) |
26.92
(1.06in) |
33.27
(1.31in) |
43.18
(1.7in) |
Seat-OD
+0.000/-0.005
+0.00/-0.13 |
20.14
(0.793in) |
23.32
(0.918in) |
29.67
(1.168in) |
35.26
(1.388in) |
37.54
(1.478in) |
43.69
(1.72in) |
51.05
(2.01in) |
78.03
(3.072in) |
Seat-H
+0.020/-0.010
(+0.51/-0.25) |
0.500
(12.70in) |
0.500
(12.70in) |
0.500
(12.70in) |
0.500
(12.70in) |
0.500
(12.70in) |
0.500
(12.70in) |
0.500
(12.70in) |
0.750
(19.05in) |
| Seats sizes(mm) |
| Outer diameter | Inner diameter | Height |
| 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 |
| Type and specifications |
| Dia. | Inch | 3/4 | 7/8 | 15/16 | 1 | 1 1/8 | 1 3/16 |
| mm | 19.05 | 22.225 | 23.813 | 25.4 | 28.575 | 30.163 |
| Inch | 1 1/4 | 1 3/8 | 1 1/2 | 1 5/8 | 1 11/16 | 1 3/4 |
| mm | 31.75 | 34.925 | 38.1 | 41.275 | 42.863 | 44.45 |
| Inch | | 2 | 1 1/4 | | 2 1/2 | |
| mm | 50 | 50.8 | 57.15 | 60 | 63.5 | |
| The surface finish, tolerance class and tolerances of dimensions
have respectively reached the standards of the machine industry:
G5, G10, G16, G40 and G100 G1000of JB/T 9145-199 |
| API No. | Seat Size | Ball Size |
| V11-106 | 1-1/16" | 5/8" |
| V11-125 | 1-1/4" | 3/4" |
| V11-150 | 1-1/2" | 15/16" |
| V11-175 | 1-3/4" | 1-1/8" |
| V11-200 | 2" | 1-1/4" |
| V11-225 | 2-1/4" | 1-3/8" |
| V11-250 | 2-3/4" | 1-1/16" |
| V11-375 | 3-3/4" | 2-1/4" |
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.
