[a]https%3A%2F%2Fwww.walkson.com%2Fptaw-welding%2F[/a] <br>#PTAW <br>PTAW Welding <br>WALKSON can provide specially formulated Tungsten Carbide Overlay (TCO) applied by Plasma Transferred Arc Welding (PTAW) process on any casting or fabrication part surface to increase the wear-resistant property of the part. <br> <br>For extremely abrasive applications, the overlay properties in the following chart will be used. The lifecycle of this type of overlay by PATW welding is 5-6 times longer than Chrome Carbide Overlay. Typical Applications of this kind of overlay are Slurry line, slurry pump suction and discharge spool, wear spool, spray nozzles. <br> <br>Why Choose WALKSON PTAW Welding <br> <br>For heavy load applications, the tungsten carbide is 60-70 wt % and the balance is NiB matrix. The particle size of prime carbide is in the range of 60-325 mesh (44-250 micron) with hardness HV 2700-2900. The bulk hardness of NiB matrix is HRC 45-55. <br> <br>This formula is designed for medium to heavy load application. The combination of high hardness of the prime carbide and high toughness of the matrix make the wear products excellent for high-impact applications. Its lifecycle is 5-6 times longer than AR plates. <br> <br>Applications of PTAW Welding <br> <br>Typical Applications of this kind overlay is Rotary screen wear plates, shovel teeth, crusher teeth and liner plates, grinder hammer tips, chutes/hoppers and mining picks. <br> <br>Wear Protection Products-PTAW/Plasma Transferred Arc Welding Machine <br> <br>WALKSON can provide specially formulated Tungsten Carbide Overlay (TCO) applied by Plasma Transferred Arc Welding (PTAW) process on any casting or fabrication part surface to increase the wear resistant property of the part. <br> <br>For extremely abrasive applications, the overlay properties in the following chart will be used. The lifecycle of this type overlay by PATW is 5-6 times longer than Chrome Carbide Overlay. <br> <br>Typical Applications of this kind overlay is Slurry line, slurry pump suction and discharge spool, wear spool, hammer tips, spray nozzles. <br> <br>Overlay Properties WC Matrix <br>Composition (wt%) 70 -75 % Balance <br>Hardness 2700- 2900 HV 60-70 HRC <br>Particle size (micron) 44 - 250 53-198 <br>Overlay Thickness (mm) 3 - 15 mm <br>Bulk Hardness 832 -1076 HV / 65-70 HRC <br> <br>For heavy load applications, the tungsten carbide is 60-70 wt % and the balance is NiB matrix. The particle size of prime carbide is in the range of 60-325 mesh (44-250 micron) with hardness HV 2700-2900. The bulk hardness of NiB matrix is HRC 45-55. <br> <br>This formula is designed for medium to heavy load application. The combination of high hardness of the prime carbide and high toughness of the matrix make the wear products excellent for high-impact applications. Its lifecycle is 5-6 times longer than AR plates <br> <br>Typical Applications of this kind overlay is Rotary screen wear plates, shovel teeth, dragline teeth, crusher teeth and liner plates, grinder hammer tips, chutes/hoppers and mining picks. <br> <br>Overlay Properties WC Matrix <br>Composition (wt%) 60 -70 % Balance <br>Hardness 2300- 2600 HV 45-55 HRC <br>Particle size (micron) 44 - 250 53-198 <br>Overlay Thickness (mm) 3 - 15 mm <br>Bulk Hardness 720-865 HV / 61-66 HRC <br> <br>WALKSON had been create milestone in the year 2021, we successfully applied PTAW Tungsten Carbide Overlay (TCO) on the valve sealing area with 8mm-12mm use stellite 6 cobalt base, this is the first successful trial with such thickness in china, WALKSON become the first company which can applied PTAW Tungsten Carbide Overlay (TCO) for the valve sealing field. <br> <br>What is Plasma Transferred Arc Welding Process? <br>PTA stands for plasma transferred arc welding, which is a natural progression of the GTAW method. It&#039;s a simple-to-automate connection approach that produces higher-quality joins and welds by precisely controlling critical welding parameters. It&#039;s perfect for surfacing and cladding in heavy sectors including oil and gas, mining, and energy generation. Plasma transfer arc welding is a time-consuming and difficult joining method. It works by inducing a high-density plasma transfer arc, which has enough energy to melt the base metal workpiece and metal filler powder. The pilot arc is first created by ionizing inert gases (argon, helium, hydrogen, etc.) with the tungsten electrode and torch nozzle arc. By discharging plasma gas through the decreasing nozzle, the pilot arc is turned into a transfer arc. The plasma column is essentially throttled to a high temperature, a high jet velocity, and a high energy density. <br> <br>References of PTA Process <br>[1] Plasma transferred arc welding—modeling and experimental optimization. [J] J. Wilden, J. P. Bergmann &amp; H. Frank. December 2006. <br> <br>[2] Microstructure and wear properties of nickel-based surfacing deposited by plasma transferred arc welding. [J] Chen Guoqing, Fu Xuesong, Wei Yanhui, Li Shan, Zhou Wenlong. 15 August 2013, Pages S276-S282. <br> <br>Transferred VS. Non-transferred Plasma Arc Welding <br>The main arc in TPAW is established between the tungsten electrode and the guide electrode. Compared with non-transferred plasma arc welding (NPAW) where one of the arc terminals is a nozzle, the workpiece is not connected to the circuit, and the energy loss is less than NPAW. <br> <br>As the welding current and plasma gas flow rate increase, the diameter of the ablation zone of the TPAW (ie, the energy received by the workpiece) is much larger than the diameter of the NPAW. The MZ area and HAZ area of the TPAW weld are smaller, but the penetration depth of the PAW weld is similar. <br> <br>Under the same parameters, the MZ or HAZ cannot be observed in the NPAW weld, indicating that the total heat input distribution of TPAW is much larger than that of NPAW . This trend provides a possible way to better control the energy of the plasma arc and expand the application of the plasma arc. <br> <br>We can also offer kinds of shovel replacement parts for sale, if you have needs, please contact us.

[a]https%3A%2F%2Fwww.walkson.com%2Fproducts%2Fwhite-iron-liners.html[/a] <br>#White #iron #mill #liner <br>White Iron Liners <br>We can provide a wide range of wear resistant products for mineral processing industry. The role of a mill liner is to give the mill heads protection against wear and tear thus increasing their lifetime and creating optimal grinding efficiency. <br> <br>The key products we can supply include: <br> <br>AG/SAG mill liners <br> <br>Rod mill liners <br> <br>Ball Mill liners <br> <br>Why Choose WALKSON White Iron Liners <br> <br>High Chrome white iron castings possess both superior abrasion resistance ability and considerable toughness. the high chromium mill liner has high strength, strong toughness, and good wear resistance features, which is widely used at Mining, Cement and power industry. White iron mill liner is recommended to be used in applications with high wear resistance while low impact, such as cement mills and coal Pulverizes due to its excellent mechanical property and service performance. <br> <br>Typical High Chrome white iron is ASTM A532 Class Ⅲ Type A 25%Cr, the final hardness is ≥621 HBW. <br> <br>As a white iron liner factory, we will do our best to meet all the needs of customers.

[a]https%3A%2F%2Fwww.walkson.com%2Fproducts%2Fshroud.html[/a] <br>#bucket #shrouds <br>Shroud <br>Cast shrouds are casings used on bucket lip to protect your bucket lip from aggressive wear that can lead to premature bucket failure. These bucket shrouds will help extend the wear life of the bucket lip in most construction and mining applications. <br> <br>WALKSON, a professional ground engaging tools manufacturer, provide lip shroud for both plate lip and cast lip. The cast shroud weight ranges from 50kg to 300kg. Material is low alloy steel. We can manufacture strictly according to customer’s specification. Also, we can provide wear solution for customers. <br> <br>Why Choose WALKSON Shroud <br> <br>Walkson is very experienced in making high quality shrouds. We have been supplying shrouds to mine sites in European, Africa, Russia, Australia, South America, and Canada for brands like caterpillar, Bucyrus, Liebherr, p&amp;h, Terex, узтм, omz, Hitachi, Demag, Doosan, Komatsu, o&amp;k, Uralmash. Choose us you will get the best quality adaptor and a reliable partner.

[a]https%3A%2F%2Fwww.walkson.com%2Fproducts%2Frigging-components.html[/a] <br>#dragline #rigging <br>Rigging Components <br>WALKSON manufacture most parts of the dragline rigging and structural component for buckets used in the surface mining industry. Whether it is a special component engineered to improve a weak area in your existing rigging or higher quality facsimile of a part you currently run, WALKSON can provide you with competitive pricing and the shortest lead times in the industry. <br> <br>WALKSON is a professional ground engaging tools manufacturer, providing bucket rigging, dump blocks, spreader bars, wire rope sockets, and more. The products manufactured by WALKSON comply with strict quality control standards. We are always trying our best to light the dragline rigging weight and increase the productivity, safety, and part lifecycle. <br> <br>Why Choose WALKSON Rigging Components <br> <br>The dragline rigging parts that we can provide including: <br> <br>Chain <br> <br>Rigging <br> <br>Bucket Castings <br> <br>Bucket Teeth and Adapters <br> <br>Bucket Wear Packages <br> <br>Our engineering team work together with our customer&#039;s maintenance team trying to increase the payload by reducing the total weight of conventional dragline rigging by innovation. WALKSON has become a major supplier in China for dragline and mining shovel wear parts to aggregate, surface coal, lignite and phosphate mines around the world.

[a]https%3A%2F%2Fwww.walkson.com%2Fproducts%2Fni-hard-wear-liners-billets.html[/a] <br>#Ni #Hard #Liners <br>Ni Hard Liners/ Billets <br>NiHard is a well-established white iron product alloyed with nickel and chromium to give significant abrasion and impact resistant properties. <br> <br>The structure of NiHard forging components is composed of iron and chromium carbides, fixed in a matrix rendered martensitic by the nickel content. <br> <br>This structure allows NiHard to be utilized in abrasive and high impact conditions found throughout the construction, mining, manufacturing, and mineral processing industries. <br> <br>If you want to know more kinds of shovel components, please visit our website.

[a]https%3A%2F%2Fwww.walkson.com%2Fproducts%2Fheavy-engineering-parts%2F[/a] <br>#Heavy #Engineering <br>Heavy Engineering Parts <br>WALKSON specializes in manufacturing quality heavy equipment aftermarket parts, spare parts for heavy equipment, large size mechanical components for Customers for various industrial sectors. we have delivered high-quality cast, welded, and forged parts for many customers. We offer tailor-made solutions and components up to 50 tones component of casting and forging. <br> <br>With more than 20000 m2 of shops and machine tools, modern manufacturing and testing equipment and customer-focused philosophy, WALSKON, professional in heavy equipment replacement parts and spare parts for heavy equipment, is your reliable partner for subcontracting when it comes to Heavy Equipment. We have various heavy equipment forging products for sale and supply complete solutions: engineering, sourcing, manufacturing, surface finishing, testing, certification. <br> <br>Dragline excavator walking cam <br> <br>Dragline excavator camshaft <br> <br>Dragline excavator forging links <br> <br>Dragline excavator walking frame <br> <br>Split girth half gear <br> <br>eccentric gears <br> <br>Dragline Stablizer Link <br>Dragline Stabilizer Link, also known as dog bone is a particularly important component used on the dragline excavator. One end of the stabilizer link is connected the walking shoe of the dragline excavator, the other end is connected to the walking cam. It is a key component in the dragline excavator walking mechanism. WALKSON supplies forged dragline stablizer link as a perfect replacement for welded links to increase the lifecycle of the component. <br> <br>Dragline Walking Frame <br>Dragline walking frame, together with walking cam and cam shaft / propel shaft are the most important parts for dragline walking mechanism. <br> <br>Dragline Walking Cam <br>Dragline walking cam, together with walking frame and cam shaft / propel shaft are the most important parts for dragline walking mechanism. <br> <br>Propel Shaft <br>Dragline propel shaft, together with walking frame, walking cam and walking shoe are the most important parts for dragline walking mechanism. <br> <br>Bubble Shaft <br>As one of dragline parts suppliers, WALKSON can provide forged shafts, forged Crankshafts and forged stepped/bubble shafts of carbon steel, alloy steel, stainless steel, titanium, nickel, aluminum, copper, and tool steel conforming to ASTM, AMS, AISI, SAE, and Other industry approved specifications. Forged shafts range in diameter from 100mm to 1000mm and in length to 10m. Other Forged Shaft shapes produced include forged spindle, round bar. We can also produce hollow shafts too.

[a]https%3A%2F%2Fwww.walkson.com%2Fproducts%2Fchocky-wear-bars-wear-buttons.html[/a] <br>#Chocky #Bars <br>Chocky Wear Bars, Wear Buttons <br>The unique, formable design of Chocky wear bars and wear button are available in various lengths, grades and sizes and can also be customized as per the client&#039;s specific need. Applications for Chocky Bars are wide and varied, ranging from specific wear protection on buckets for loaders, excavators, and draglines machines, or for weld-on hammer tips for the re-cycling industry, or chute linings and rock box edges. <br> <br>These casting components are easy to use and install. They can be bent, cut, and formed to suit different surfaces. The standard is 23mm thick, length is 240mm, width could be from 25mm from 150mm. We can also produce according to your special requests. <br> <br>Why Choose WALKSON Chocky Wear Bars, Wear Buttons <br> <br>Super high level wear resistant ability <br> <br>Custom made size to suit your need <br> <br>Very stable brazing welding quality <br> <br>We can also provide kinds of undercarriage parts for sale, if you have needs, please contact us.

[a]https%3A%2F%2Fwww.walkson.com%2Fproducts%2Fbucket-wear-products%2F[/a] <br>#undercarriage #components <br>Bucket Wear Products <br>WALKSON provides professional wear solution and a whole set of wear-resistant products. The products including: <br> <br>Chokey wear bars, wear buttons <br> <br>Bimetallic wear plates/liners <br> <br>Ni-hard wear liners/billets <br> <br>Shredder hammer tips/Knife edges <br> <br>These precision cast components are wildly used in excavator buckets, crusher hopper, vibratory feeders, crusher chute, screen plates, rolling mill guides. <br> <br>Wear-resistant Material is ASTM A532 Ⅱ-B, the mechanic property we can achieve is as below: <br>Mechanical property Result <br>Tensile Strength 630Mpa Min. <br>Shearing Strength 250Mpa Min. <br>Hardness 63 HRC/700BHN <br> <br>Bimetallic Wear Plates <br>Bimetallic wear plate are unique wear resistant materials in that they combine very high wear resistant qualities of a white iron (ASTM A532 15%CrMo, 700BHN – 63HRc) with a weldable &amp; high. <br> <br>Chocky Wear Bars, Wear Buttons <br>The unique, formable design of Chocky wear bars and wear button are available in various lengths, grades and sizes and can also be customized as per the client&#039;s specific need. <br> <br>White Iron Wear Blocks, Wear Bars <br>The unique, formable designed wear bars is available in various lengths, grades and sizes and can also be customized as per the client’s specific need. <br> <br>Bimetallic Wear Liners/ Pipes <br>Bimetallic Wear Bars are custom made wear product in different shapes to suit specific applications. They are effectively used to prevent gouge wear that normally occurs in such place as bucket lips. <br> <br>Hardfacing Wear Parts <br>WALKSON developed HS 63HRC is mixed with alloy powder with a high density of primary chromium carbides in an iron matrix and non-metallic powders. <br> <br>Hi-chrome Carbide Wear Parts <br>OVERLAY-PLATE is welded by chromium carbide overlay on a mild steel backing plate. Manufactured by our own design&#039;s welding machine with exclusive technique. <br> <br>Ni-hard Wear Liners/ Billets <br>NiHard is a well-established white iron product alloyed with nickel and chromium to give significant abrasion and impact resistant properties. The structure of NiHard is composed of iron and chromium. <br> <br>Shredder Hammer Tips/ Knife Edges <br>Our shredder hammer tips are bi-metallic composites having 700BHN hardness and available in various sizes and shapes. Our products are widely used in sugar or coal industry to do crushing. <br> <br>Typical Application of Wear Products: <br> <br>Wear Pads, Jaw Crushers, Chute Linings, Ore Chutes, Crusher Chutes, Tripper Chutes, Flop Gates, Bucket Liners, Lip Protectors, Screen Plates, Bucket Liners, Floor Liners, Loaders, Wear Aprons, Knife Inserts, Crusher Bars, Dump Hoppers, Crusher Hoppers, Vibratory Feeders, Rock Box Edges, Surge Bin Liners, Rock Box Liners, Skip Liners, Draglines, Concentration Bins, Bucket, Transition Pieces, Coal Transfer Chutes, Apron Feeder Liners, Loading Pocket Liners, Hammer Mill Inserts, Rolling Mill Guides, Hopper Edges, Shovel, Arm &amp; Hub Liners, Bolt Protectors, Truck Bed Liners, Impact Wall Liners, Bucket Wheel Protection, Conveyor Transfer Points. <br> <br>We can also provide kinds of undercarriage components for sale, if you have needs, please contact us.

[a]https%3A%2F%2Fwww.walkson.com%2Fproducts%2Fbimetallic-wear-plates.html[/a] <br>#Bimetallic #Wear #Plates <br>Bimetallic Wear Plates <br>Bimetallic wear plate are unique wear resistant materials in that they combine very high wear resistant qualities of a white iron (ASTM A532 15%CrMo, 700BHN – 63HRc) with a weldable &amp; high impact toughness mild steel through a metallurgical bond to create a product that is exceptionally resistant to impact and abrasion while retaining. The typical property is as below: <br> <br>Tensile Strength 630Mpa Min. <br> <br>Shearing Strength 250Mpa Min. <br> <br>Hardness 63 HRC/700BHN <br> <br>The micro-structure is Carbide + Martensite + Retained Austenite, the carbide’s content is about 41.5%. The bimetallic wear plate, a component made by forging, is widely used in feeder chute and hopper wear protection situations. <br> <br>Why Choose WALKSON Bimetallic Wear Plates <br> <br>Super high level wear-resistant ability <br> <br>Custom made size to suit your need <br> <br>Very stable brazing welding quality <br> <br>We can provide kinds of white iron castings for sale, if you have needs, please contact us.