| Customization: | Available |
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| Product Type: | Expander Bullet |
| Material: | Tngsten Carbide |
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| Product Name | Tungsten Carbide tube expanding bullet |
| Material | Tungsten Carbide |
| Place of origin | Zhuzhou,China |
| Grade | YG6X,YG10X,YG8,YG6 |
| Surface treatment | Blank,ground,polished as requirement |
| MOQ | 10 PCS |
| Trade Terms | FOB,CNF,CIF,CPT,DDU,DDP |
| Payment terms | 30% in advance, balance paide before shipment. |
Tungsten carbide tube expanding bullet is the important accessory of expansion tube process,which has been widely used in the production of heat exchangers and evaporators in the refrigeration industry.
The expansion of the copper pipe is based on the expansion force of the tungsten carbide expansion bullet, which causes the plastic deformation of the copper pipe, so that the work process of expansion of the outer wall of the copper pipe after the expansion of the diameter is tight on the inner hole of the aluminum fin. Therefore, the expansion of the pipe The strength is low, the bearing pressure is limited, and the range of use is also limited. But the expansion tube process is still widely used because of its simple operation and low cost.
1. Material Milling and Desiccation
Dust-Free Workshop: All staff must wear specified uniforms before entering the workshop.
2. Isostatic Suppressing for carbide rods
Machinery Automation:Automatic manipulators are installed for all of our TPA suppressing facilites,which is more accurate on weight controlling and reduces production cost.
3. HIP Sintering
Strict rules of operation: All operation need be conducted strictly as process rules.
4. Quality checking of trial production.
New testing piece: Testing piece must be produced before a new batch of material is used for mass production to ensure the stable
quality.
5. Grinding and Machining
We own all facilitess for the whole carbide machining system to ensure the delivery in time,including surface grinding lathe,external grinding lathe,centerless grinding lathe,wire cutting machine,EDM sparkling machine.
6. quality checking of finished products.
Double Quality Checking: Inspection for semi-finished and finished products are both essential,products with defects will never be shipped.
7. Packing and delivery
Safe package and delivery: Kraft paper for the first layer,bubble plastic for the second layer,gaps are filled with sponge,We focus on every package detail to ensure that clients receive our goods with good looks and good quality.
Q:Is OSTON CARBIDE producer ?
A:OSTON CARBIDE is a exporting subsidiary for our parent company,which is a manufacturer of tungsten carbide and diamond wheels since 1998,you will get both manufacturing prices and good services here.
Q:What kind of products and service could OSTON supply ?
A:OSTON has been specializing in carbide solutions for clints more than 20 countries,which includes design and manufacturing of various carbide parts.
Q: Is there any certification for products of OSTON ?
A: Yes,All products from OSTON have been endorsed with the ISO9001:2015 certification.
Q:Can a drawing be supplied to OSTON for further design ?
A: Yes,we encourage sending as more information as possible,drawing and sketch are welcome for specific quotation,even a sample could be sent to OSTON for further design.
Q:When can I get the offer after sending inquiry ?
A:Our sales operates between 9:00 am to 6:00 pm Monday to Friday,Offer is usually supplied within 24 hours after we got your inquiry,if you are urgent to get the price,please call us or send email so that we'll take it as priority.
Q:How long time I need spend on waiting for my goods ?
A:Usual delivery time is 15-18 days after 30% down payment is received,please confirm with us before placing the order if you need urgent turnaround delivery.
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