Zhuzhou Huijin Cemented Carbide Co., Ltd

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Tungsten Carbide Rods

Release time:

2018-10-23 14:49

Source:

Introduction to cemented carbide rods

1.Cemented carbide round bar, also known as cemented carbide rods, is a kind of high hardness and high strength alloy material, which is made of cemented carbide (WC) as the main raw material, and other precious metals and adhesive phase by powder metallurgy pressing and sintering. It is widely used in the national production and processing fields, such as tungsten steel drill.

2. Production process flow

Process flow of cemented carbide round bar blank

Powder preparation prescription according to use wet grinding mixing grinding drying screening adding molding agent drying screening after the preparation of mixture pelleting pressing molding low pressure sintering forming (blank) round grinding (blank without this process) detection size packaging storage.

3. Material properties of cemented carbide rods

1, with high-quality ultrafine tungsten carbide and imported cobalt powder as raw materials.

2, adopt the world's advanced low pressure sintering technology to carry out standardized production.

3. High strength and high hardness.

4. It has excellent red hardness, good wear resistance, high modulus of elasticity, high bending strength, good chemical stability (acid, alkali, high temperature oxidation), good impact toughness, low expansion coefficient, thermal conductivity, conductivity and iron and its alloy similar characteristics.

5. Advanced precision advanced equipment: Germany imported 10MPa low pressure sintering furnace sintering.

6, the unique new technology: vacuum high temperature and high pressure sintering. Pressure sintering is adopted in the final stage of the product, which greatly reduces porosity, improves compactness and greatly improves the mechanical properties of the product.

7. Product characteristics: There are many material grades, which can be used for different purposes; complete specifications, accurate blank size (reduce processing capacity, improve production efficiency).

8, the service is thoughtful and quick response: order production is fast, delivery is quick and punctual (3~5 days).

Cemented carbide round rods are widely used in the manufacture of tungsten steel drills, PCB industry micro drills, photoelectric communication industry electrode rods, mechanical processing industry cemented carbide drills, drill shanks, top, push rods, wear-resistant precision parts, is the overall CNC milling cutters and holed cutting tools preferred quality materials.

4. Welding characteristics of cemented carbide

Cemented carbide is mainly used to manufacture bimetal structures such as cutting tools, measuring tools, dies, mining tools and integral cutting tools. The cutting part is cemented carbide, the matrix is carbon steel or low alloy steel, usually medium carbon steel. This kind of workpiece is subjected to considerable stress when working, especially compression bending, impact or alternating load, requiring high strength and reliable quality of the joint. Cemented carbide has the characteristics of high hardness and good wear resistance, but it also has the disadvantages of high brittleness and poor toughness. Most of the cemented carbide tools are embedded in medium carbon steel or low alloy steel by welding. Welding technology is closely related to the performance of cemented carbide. Welding performance directly affects the performance of cemented carbide.

Tungsten carbide stud for HPGR

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Contact Person: Teresa

Wechat：+86-15897337625(Wechat & whatsapp)

E-mail: teresa@hjcarbide.com

Address: Building 2, Dahan Hewlett-Packard Industrial Park, Tianyuan District, Zhuzhou City, Hunan Province China

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