|Place of Origin:||China|
|Minimum Order Quantity:||Negotiable|
|Packaging Details:||Inner packing: wrapped by bubble bag,foam. Outer packing: standard export carton|
|Payment Terms:||L/C, D/A, D/P, T/T, Western Union, MoneyGram|
|Supply Ability:||2000 kilograms per month|
|Density:||12.75-15.3 G/cm3||Product Name:||Valve Seats For Gas & Oil Industry|
|Surface:||Blank, Grinding, Polishing||Size:||Customized|
tungsten carbide seat,
ball valve seat
High Hardness Cemented Tungsten Carbide Ball And Valve Seat
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
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||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|
|Grade||Ni (wt%)||Density (g/cm³)||Hardness (HRA)||TRS (≥N/mm²)||Application|
|Seats dimension (mm)|
|Ball dimension (mm)|
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.