High food vacuum packaging machine high temperature sterilization food sealing machine is suitable for all kinds of plastic composite film bags or aluminum foil composite film bags. After vacuum packaging, it can effectively keep fresh, guarantee quality, moistureproof, clean and clean all kinds of rice cakes, bean products, meat products, aquatic products, agricultural products, pickles, fast food products, prepared foods, powders, spices, electronics, hardware parts and drugs It can prevent mildew, rust, pollution, oxidation and vacuum sterilization, so as to prolong the shelf life. welcome order ! small type ,big type ,single chamber ,2-chamber ,rolling vacuum sealing packing machine ....!
High vacuum sealing packaging machine high temperature sterilization food sealing machine is suitable for all kinds of plastic composite film bags or aluminum foil composite film bags. After vacuum packaging, it can effectively keep fresh, guarantee quality, moistureproof, clean and clean all kinds of rice cakes, bean products, meat products, aquatic products, agricultural products, pickles, fast food products, prepared foods, powders, spices, electronics, hardware parts and drugs It can prevent mildew, rust, pollution, oxidation and vacuum sterilization, so as to prolong the shelf life. welcome order ! small type ,big type ,single chamber ,2-chamber ,rolling vacuum sealing packing machine ....!
Our good quality tungsten carbide is used in drills, saws, die etc. We export our items worldwide as well as China mailand.
Specifications 1.Iso 9001:2008 2.100% virgin raw material 3.From zhuzhou city-tungsten carbide kingdom 4.Hip sintered 5.Having 8 patents In waterproof and shockproof carton
Tungsten carbide roller rings are commonly used in machinery and industrial applications for their high wear resistance and toughness. Tungsten carbide is a composite material made from tungsten carbide particles and a binding metal such as cobalt or nickel. The resulting material is extremely hard and durable, making it suitable for use in applications where high wear resista nce is required.
Tungsten carbide roll ring has characteristics of good wear resistance, high temperature red hardness, thermal fatigue resistance and thermal conductivity and high strength, it is a key component of high-speed wire rod rolling. Tungsten carbide roll ring is mainly used for high-speed wire rod mill pre-finishing unit, and finishing units, reducing sizing unit, rolling play area and improve the performance of rolling material effect decreases. Tungsten carbide roll ring line production to meet the needs of making various types of high carbon steel, alloy steel and special steel. Tungsten carbide roll ring material is developed on the basis of the tungsten carbide tool material, it is made of refractory metal compound (WC) as a matrix, and transition metals (Co, Fe, Ni) as the binder phase. Tungsten carbide roll ring has good abrasion resistance, high-temperature red hardness, thermal conductivity and high temperature strength and other characteristics, it has been widely used in making high-speed wire rod, bar, rebar, and other rolling seamless steel pipe production. During normal use, the surface due to the impact of high frequency alternating thermal shock and hot water fog and thermal fatigue cracking, commonly known as crack, different forms of wear or fracture failure is the main reason in this case appears thermal fatigue crack initiation and propagation. When the groove face cracked it must be grinded to prevent crack propagation caused by abnormal breakage roller ring. Tungsten carbide roll rings performance requirements When the roller ring used, the roll diameter roller ring is smallest , and line the fastest, roll ring subjected to thermal shock highest frequency. Therefore, it requires roll ring material having excellent abrasion resistance to ensure the dimensions of finished wire after a certain amount of rolling ; and requires a high fracture toughness to resist the thermal expansion of the higher frequency shocks caused thermal fatigue cracks; the same time, need to have a high thermal conductivity to suppress thermal fatigue crack initiation. During use, the maximum operating speed of tungsten carbide roll rings up to 18000 r / min, and rolling up to the maximum temperature of the contact 1200 ¡æ. It is in this harsh working conditions, the roller ring wear resistance, toughness, resistance to thermal fatigue performance high demands. To achieve these performance requirements, often using coarse-grained low cobalt grades roller ring, such as WC-6% Co. Tungsten carbide roll ring characteristics 1. Contains a microscopic hard spots, have a high resistance to abrasion 2. The macro-hardness is high, up to 69 ~ 81HRC or more. 3. Material hardening tendency serious. 4. Material with low thermal conductivity. 5. High intensity of the material. 6. Stable chemical properties, very high melting point. Tungsten carbide roll ring using requirements Heap of steel rolling process is inevitable accident, the heap of steel rolling various causes overheating will cause the roller ring side, while at the other side of the water-cooled quenching effect, causing the roll surface heat cracks, restoring rolling when this heat leaving the roller ring rapid crack propagation easily cracked. Because rolling at high speed rolling finishing train, the temperature is high, when the stack of steel metal deposited on the roller ring groove around, due to the effect of high temperature molten metal ring attached to the roller surface, forming a "product turtle" phenomenon. In this case, local heating roller ring, resulting in heat stress, heat fatigue easily formed, if the roller ring continued use, the potential cause fracture failure. Remove the stack of steel roll ring, regardless of the groove is available, should be re-grinding, in order to eliminate the stress roll ring to prevent thermal fatigue crack initiation and propagation. Tungsten carbide roller ring has good heat conduction properties, down less hardness at high temperature, good thermal fatigue resistance, wear resistance, high strength, and other characteristics,so it is suitable for high speed rolling, and it become the good choice for roller ring.
CAS No: 1314-34-7 UN No.: 2860 Application As material be used in vanadium battery. As material manufacturing VCl3. Colouring for ceramic industry and glasses industry. Catalyst for Petroleum Processing. Grain refining in tungsten carbides. Be used in capacitor material, electronic components, switch material(magnetic switch, thermal switch, electro-optical switch) etc. Magnetic material.
CAS No: 1314-62-1 UN No.: 2862 Application Catalysts for sulphuric acid, maleic anhydride, adipic acid. Colouring and glaze for ceramic industry. Enameling frits for porcelain or aluminum coating. Pigment and absorption of ultraviolet light or infrared light for glass industry. DeNOx FCC additives for Petroleum Processing. Corrosion inhibition in carbon dioxide scrubbers for gas sweetening of types Benfield, Ventrocoke. Grain refining in tungsten carbides. Manufacturing vanadium aluminum. Additive for Li rechargeable batteries or light emitting substances for display screens. Magnetic material.
We are supplier of Tungsten Carbide Items in sintered and finished condition. We can supply with various wear part grades and shapes as per standard and non-standard specifications. Also Special items can manufactured based on customer's requirements. Our Products details: Tc Wire/tube/bar drawing pellets. Tc Heading Pellets for cold and hot forging. Tc Valve Seat, Orifice plugs etc. Tc Washers, Swirl Chambers etc. Tc Sugar Tips. Tc Bushes for jigs and gauges. Tc Roller and Pulleys Tc Burnishing rollers Tc Nozzles for Sand blasting. Tc Flats & other special wear parts. Tc Bowl, ring, cups, disc etc. Please send us your requirements with dimensional drawing or samples. A waiting for your reply.
Tungsten carbide roll rings has good heat transfer performance, low hardness drop and high thermal fatigue resistance at high temperature Good wear resistance, high strength, etc. These characteristics are difficult to achieve with other materials. Therefore, since the advent of the high-speed wire rod mill, the tungsten carbide roll rings has emerged as the times require, and has been continuously developed and perfected. It has been widely used for rolling production of high-speed wire rods, bars and rebars.
Tungsten carbide roll rings has good heat transfer performance, low hardness drop and high thermal fatigue resistance at high temperature Good wear resistance, high strength, etc. These characteristics are difficult to achieve with other materials. Therefore, since the advent of the high-speed wire rod mill, the tungsten carbide roll rings has emerged as the times require, and has been continuously developed and perfected. It has been widely used for rolling production of high-speed wire rods, bars and rebars.
Tungsten carbide roll rings has good heat transfer performance, low hardness drop and high thermal fatigue resistance at high temperature Good wear resistance, high strength, etc. These characteristics are difficult to achieve with other materials. Therefore, since the advent of the high-speed wire rod mill, the tungsten carbide roll rings has emerged as the times require, and has been continuously developed and perfected. It has been widely used for rolling production of high-speed wire rods, bars and rebars.
Tungsten Carbide Rings It is widely applied in the production of bar, high wire and deformed steel bar. It is usually used at the front stand of finishing mill, the last stand of finishing mill and the pre-finishing mill.
Name·ª hr carbide (tungsten steel) high-speed wire roll rings, roll rings, roll scissors, thread roller Grade·ª lz10.Lz20.Lz30.Lz60 Usage·ª for rolling high-speed steel wires, processing steel. Widely used in steel mills. We specialize in the manufacture of tungsten carbide products such as tungsten carbide strips, tungsten carbide rings, tungsten carbide inserts, tungsten carbide indexable inserts shims, tungsten carbide indexable inserts, tungsten carbide wear parts, tungsten carbide drawing pellets, tungsten carbide drilling bits, tungsten carbide drawing dies, tungsten carbide cold forging dies, tungsten carbide bars, tungsten carbide rods, tungsten carbide balls, tungsten carbide burrs, and hardmetal customized products etc.
Graphite electrodes, copper mould tube & plate, special graphite products, various refractory bricks, monolithic refractory, stopper rods, ladle shroud, nozzles, casting rolls for rolling mill, tungsten carbide rings and composite rolls, ceramic rolls, various type of bearings, casting and mechanical components, special casting sands (ceramsite), investment casting etc. all our products are manufactured to meet stringent iso requirements..
Customized Tungsten Carbide Nozzle TC Sand Blasting Nozzle ,tungsten carbide nozzle with wear-resistance fuction,high temperature resistance, wear resistance and corrosion resistance.It is mainly used for the oil pump valves such as sand wells, heavy oil wells, offshore oil wells and high-pressure sulfur-resistant oil wells in the petroleum industry
Fabric Construction : 35 x 35 / 76 x 52 153 cms / 160 cms width Composition : poly cotton 65:35 Finish : greige , can be provided in bleached , dyed or printed form Packing : roll on tube / bale packed
Fabric Construction : 35 x 35 / 76 x 52 153 cms / 160 cms width Composition : poly cotton 65:35 Finish : greige , can be provided in bleached , dyed or printed form Packing : roll on tube / bale packed
This tungsten carbide grit also called tungsten grits, carbide grits, it is used to welding or solder onto a steel body, to increase the wear resistance properties. For example, if a steel cutter can cut 24 hours without grits, it will cut 240 hours after with the tungsten carbide grits.