| Customization: | Available |
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| Standard: | GB, DIN, AISI |
| Application: | Oil Industry |
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The carbide composite material overlay welding rod, referred to as tungsten carbide composite brazing rod ,YD-type welding rod, composite rods is meticulously crafted from sintered tungsten carbide particles and a high-tensile alloy. It is coated with a special flux and colored to indicate the particle grade. The YD-type welding rod produced by our company,the tungsten carbide particle is mainly Co-binder tungsten carbide particles, with a hardness of HRA 89-91. The body's metal is primarily copper and nickel.The tensile strength of our tungsten carbide composite rod is 690MPa and its hardness is equal or exceed HB160. The YD-type composite welding rod needs to be used in conjunction with a base welding rod (YD-D) and a special flux (YD-R), both of which are supplied in proportion by our factory.
It is widely used in the manufacturing and repair of wear-resistant parts, cutting parts, and restoration for reuse in industries such as petroleum, mining, coal mining, geology, and construction. For example, it can be used for overlay welding on milling shoes, grinding shoes, centralizers, reamers, drill rod joints, hydraulic cutters, scraper blades, coal mining machine blades, core drill bits, pile driving drill bits, spiral drill bits, and other tools for manufacturing new tools. When the tools are worn, the welding rod can be used to re-overlay and restore the original dimensions.
The YD-type welding rods are divided into the following eight grades based on the carbide particle size:| Specification | Particle Size | Color |
| YD-9.5 | 9.5-6.5 | Deep Green |
| YD-8 | 8-6.5 | Deep Blue |
| YD-6.5 | 6.5-5 | Red |
| YD-5 | 5-3 | Golden |
| YD-3 | 3-2 | Pink |
| YD-10mesh | 10-18mesh | Light Green |
| YD-18mesh | 18-30mesh | Light Blue |
| YD-30mesh | 30-50mesh | Light Yellow |
| Grades | Chemical Composition(%) | Remark | ||
| Cu+Zn+Sn | WC | Co | ||
| Cu-30 | 30±2 | 68-70 | 5.0-5.1 | |
| Cu-40 | 40±2 | 53-56 | 4.6-4.8 | |
| Cu-45 | 45±2 | 48-52 | 4.2-4.5 | |
| Cu-50 | 50±2 | 44-48 | 3.8-4.2 | |
| Grades | Chemical Composition(%) | |||
| Ni+Zn+Sn | WC | Co | ||
| Ni-30 | 30±2 | 57-65 | 5.1-5.8 | |
| Ni-40 | 40±2 | 53-57 | 4.6-5.0 | |
| Ni-45 | 45±2 | 49-52 | 4.2-4.5 | |
| Ni-50 | 50±2 | 44-48 | 3.8-4.1 | |
| Length Of Composite Rods(mm) | 280/350/450/450 |
| Width Of Composite Rods(mm) | 12/12/16/22 |
| Carbide Particle Size(mm) | 1/8"x3/16"(3.2-4.8mm) |
| 3/16"X1/4"(4.8-6.4mm) | |
| 1/4"X5/16"(6.4-8.0mm) | |
| 5/16"X3/8"(8.0-9.5mm) | |
| 3/8"X1/2"(9.5-12.7mm) |
Overlay welding process: YD-type welding rods use an oxy-acetylene flame for overlay welding. The welding torch used should be larger than that used for normal carbon steel gas welding. The flame should be adjusted to a neutral or slightly carburizing flame. The position of the flame's tip should be strictly controlled and should not touch the carbide particles or the workpiece surface to avoid overheating. This is crucial for the wear resistance of the overlay layer and should not be ignored.
Welding should be done in a flat welding position; when using other positions, appropriate fixtures should be used.
Attention:The workplace must be well-ventilated to avoid health hazards.
Zhuzhou Bullo Cemented Carbide Co.,Ltd is a modern enterprise integrating independent production and trade, and our expertise in the tungsten carbide components began in 2008.The company is located in Zhuzhou City, Hunan Province,and has passed the ISO9001:2015 quality certification system. It owns standardized modern factory, a professional technical and sales team, as well as advanced equipment for production and inspection.
We have many specific tungsten carbide products which cover a wide range of industries,they are mainly divided into two major parts: cemented carbide wear-resistant parts and cemented carbide cutting tools. Part of our tungsten carbide products are listed in detail as follows:
· Tungsten carbide rods, strips, and plates
· Tungsten carbide mechanical seal rings
· Tungsten carbide pin pegs and blocks
· Tungsten carbide grinding jar, balls, jaw plates, and grinding discs
· Crusher and pulverizer blades
· Tungsten carbide nozzles for oil and gas
· Tungsten carbide rotors and stators
· Control valve assemblies and flow trim components
· Valve plugs, valve seats, and valve cages
· Wear-resistant bushings and liners
· Bearings, bushings, guide rails, and sleeves
· Tungsten carbide welding blades
· Tungsten carbide hob rotary cutters and fixed blades
· Tungsten carbide circular saw blades
· Tungsten carbide rotary files
· Tungsten carbide inserts and end mills
· Tungsten carbide rollers
· Tungsten carbide auxiliary powder materials
...
Our products have been widely exported to Russian Federation, Germany, America, South America, etc. And our carbide are widely used for machining cast iron, steel, stainless steel, aluminum, copper, rubber and so on.
Stable quality and satisfactory service are the eternal commitments of Zhuzhou Bullo Cemented Carbide Co., Ltd. We adheres to the philosophy of "high quality, integrity, and innovation" and is dedicated to providing high-quality products and services to all our customers. We warmly welcome interested customers to come and customize their orders and cooperate with us!
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