WALDUN is the top supplier of chromium carbide overlay wear plate from China. WALDUN have bulk chromium carbide overlay wear plates in stock, moderate, and can ship very fast.
Complex chromium carbide overlay wear plate is ideal for areas with moderate impact and severe abrasion.
If you’re looking for a reliable chromium carbide overlay wear plate supplier to provide you chromium carbide overlay wear plates, yes, you are in the right place.
Chromium carbide overlay wear plate is very mature nowadays; WALDUN can always do the chromium carbide plates better.
Besides the best solution and good service, we also can provide competitive rates for chromium carbide overlay wear plates.
WALDUN will help you to choose the right and best chromium carbide overlay wear plate. Manufacture chromium carbide wear plates with WALDUN R&D machinery, and help you are importing from China to your factory.
Chemical Composition: chromium carbide steel plate is a kind of wear-resistant alloy, with a lot of hard particles of chromium carbide deposited on the medium and low carbon base metal.
Standard thickness of chromium carbide plates mainly include: 3+3、4+4、5+5、6+4、6+5、6+6、8+5、8+6、8+8、10+5、10+6、10+7、10+8、10+10、12+5、12+6、12+7、12+8、12+10、12+11、12+12、14+6、14+8、14+10、16+6、16+8、16+10、18+6、18+8、18+10、20+6、20+8、20+10、30+10、40+10
Micro-structure: The volume fraction of Cr7C3 carbide in the metal lo-graphic structure of wear-resistant layer is more than 50% .
Hardness: According to the wear-resistant layer thickness, different usage, wear-resistant alloy surface hardness HRC56-65, the highest hardness of Chromium Carbide can be HV1800.
WEAR RESISTANCE: According to lab test for wear resistance, WALDUN chrome carbide overlay steel is 20 times that of low carbon steel. And 8 times that of heat treated wear resistant steel. Test data of surface wear resistance and 75% depth wear resistance of ASTM-G65A dry sand show that it has high wear resistance.
Chromium carbide overlay plate flatness: flatness control in ±3mm/M.
Other thickness chromium carbide wear plates can also be customized, welcome to inquiry.
Application Of Chromium Carbide Wear Plate
Wear-resistant composite steel plate produced by our company is built-up welding on ordinary steel plate, form an alloy wear-resistant layer with a volume fraction of more than 50% Cr7C3 carbide. It has the characteristics of high wear-resistant, impact-resistant and easy to process, widely used in mining, cement, steel, power and other industries.
The cement industry: pipelines, vibrating screens, pump shell and others.
The power industry: mills, conveyors, discharge pipes and others.
The steel industry: vibrating screen, tanks, rod pillars and others.
The paper industry: spiral conveyor, transition elbow, cyclone lining and others.
The mining industry: cover plate, wear rod, wear plate and hopper line.
The coal industry: pump bodies, coal pipes,and others.
According to your customized drawings, WALDUN can manufacturer the wear plates for cutting, bending, curling, tailor-welded production into the required parts.
WEAR PLATE PRODUCTION LINE: 20 LINES.
Process: Open ARC process.
Yield: 90000 square meters.
C content of wear-resistant layer (%) : 3 ~ 5.5% .
Cr content (%) : 25 ~ 40% .
CR7C3 CARBIDE VOLUME FRACTION: above 50% .
WALDUN has experienced a quality inspection team with material science bachelor-degree and the leaders with material science master-degree. Our inspection team makes regular testing on raw material, production process, and our products according to our company’s strict regulation.
In our laboratory, WALDUN uses Rockwell hardness tester, portable spectrum, portable hardness tester, and portable ultrasonic thickness measurement instrument to make sure of overlay plates quality.
There are also abrasion resistance testing machine and a series of metallography experiment instruments, so the metallurgical microstructure and wear resistance can be tested.
WALDUN can provide steel pallet design or product the steel pallet according to your drawing so that chromium carbide overlay plate can be safely supported and easily transported with a steel tape and iron Ecke.
Packaging: Steel pallet, Non-fumigation pallets, Plastic Film.
Packaging Size: 1.4*3.4 m, 1.4*.3.0 m, 1.4*3.5 m, 2.1*3.5 m. Other sizes can be customized.
Delivery Detail: Generally, it is 5-10 days if the goods are in stock. Or it is 15-20 days if the goods are not in stock, it is according to quantity.
It can be Loaded into 20 ft or 40 ft container.
Waldun wear plates product series
Extended service lifetimes on high-wear surfaces become a reality with WALDUN overlay pipes. An efficient, use-anywhere solution, WALDUN deliver rugged protection and low wear costs.
This is where our first-class WALDUN hardfacing wear parts combine with the latest welding technology and the skills of our experienced welders to provide individual, customized solutions.
Plate Welding Machine
WALDUN manufacture wear plates machines for more than 15 years. If you have any question concerning the equipment or you need an improvement or a modification, contact us at any time.
Chromium Carbide Overlay Wear Plates – The Ultimate FAQ Guide
All your heavy machinery and equipment wouldn’t last forever. As a matter of fact, we need to do something for its longevity. One of the most effective wear plates you can use is the Chromium Carbide Plate.
What is a Chromium Carbide Plate?
A Chromium Carbide Plate is a type of a clad plate that has higher resistance in high stress situations.
It’s a raw element, which has nothing but its properties. Chrome, on the other hand, is a product of chromium after it has been electroplated with another type of metal. Oftentimes, chrome possesses chromium oxide, which acts as a protection from corrosion and abrasion.
How to weld chromium carbide wear plates?
In order to ensure the original comprehensive performance of the chromium carbide wear-resistant plate, the base layer, transition layer and cladding layer should be welded separately.
When surfacing welding chromium carbide wear-resistant plates, welding shall be carried out in strict accordance with the pattern, welding process and relevant standards.
Follow the welding sequence of welding the base layer first, then the transition layer, and then the multiple layer.
The key to surfacing wear-resistant steel plate welding is to increase the one-time pass rate of the weld and reduce the number of repairs. Because hot cracks often occur when the weld is repaired.
How to processchromium carbide wear plate?
There are many surface processing methods for chromium carbide wear-resistant composite plates.
Polishing processing. Can give gloss to the wear-resistant plate.
Embossing processing. This process is mainly used for springs and high-strength materials.
Coating processing. The pre-treatment is the chemical conversion treatment, followed by the base coloring.
Electroplating processing. When the chromium carbide wear-resistant composite plate is electroplated, the passivation film must be removed first and its regeneration must be prevented.
Chemical coloring. It is a method of immersing parts in molten salt at about 400°C to form an oxide film and a vulcanized black film.
How to express the wear resistance of the chromium carbide wear plate?
Wear resistance refers to the ability of the material surface to resist wear. In terms of wear rate, the greater the wear rate, the worse the wear resistance of the material. The wear rate can be measured by the instrument.
What is the role of alloy elements in chromium carbide wear-resistant plates?
The M7C3 type carbide can only be obtained when the chromium and carbon in the chromium carbide wear-resistant plate are properly matched. It can be seen from the figure that when carbon (C) is between 2.6% and 3.0%, and Cr is between 22% and 25%, Cr7C3 carbides can be obtained with a hardness of HV1700, which can greatly improve the wear resistance of the metal. However, if the amount of carbon is too high and exceeds the amount of eutectic carbon, coarse primary carbides will occur, which are very brittle and will be broken under abrasive impact, and the amount of carbon increases and the toughness decreases. Therefore, the design range of carbon content is 2.4%～3.2%.
A part of chromium forms Cr7C3 type carbides and secondary carbides.
The other part improves the hardenability of the body, so that it has sufficient toughness and high hardness, so the chromium content is controlled at 18%-24%.
2) Molybdenum (Mo) content
Part of the molybdenum enters carbides, and part of it dissolves into austenite.
Molybdenum dissolved in austenite can greatly improve hardenability. The combined use of molybdenum and copper has a greater effect on improving hardenability.
Experience has shown that when Cr/C is 5-8, adding 2.5% Mo can make the 100mm section completely hardened.
The design composition Cr/C>7 is added with more than 2% molybdenum, and the sledgehammer with a thickness of 90-100mm can also be hardened.
3) Nickel (Ni) content
Nickel dissolves into austenite and can fully improve the hardenability.
Adding 0.5% nickel can significantly improve the hardenability, but it has a greater effect on reducing the martensite starting point (MS) than molybdenum.
The amount of nickel added is controlled at 0.6% to 1.0%.
4) Copper (Cu) content
Copper is similar to nickel and can be completely dissolved in austenite, which is beneficial to improve hardenability, but it is not as effective as nickel, and copper has limited solubility in austenite. About 2%, a small amount of retained austenite remains after heat treatment, which is beneficial to improve toughness, but reduces hardness.
Therefore, the copper is controlled at 0.8% to 1.0%.
5) Manganese (Mn) content
Manganese is an element that stabilizes austenite, so there is a large amount of retained austenite in the structure.
Manganese can change the distribution ratio of the content of molybdenum in the carbide and metal matrix, and the combined addition of manganese and molybdenum can effectively improve the hardenability.
However, manganese strongly reduces the MS point, increases the tendency of castings to crack, and is sensitive to slight changes in smelting, casting, and heat treatment.
Therefore, the content should not be too much and should be controlled within 0.8%～1.0%.
6) Silicon (Si) content
Silicon is an element that promotes graphitization and is dissolved in the matrix to increase the brittleness of cast iron.
Silicon reduces the hardenability, in order to deoxidize at least 0.3%, but silicon increases the MS point, we control the silicon at 0.4% to 0.8%.
7) Phosphorus (P) and sulfur (S) content
Phosphorus and sulfur are both harmful elements and should be as low as possible. Alkaline furnace smelting is used. Phosphorus and sulfur can be controlled below 0.035%.
8) Composite modifier
In order to purify the grain boundaries, modify the inclusions, and refine the grains, especially to make the eutectic carbides into bars and obtain high toughness under the premise of high hardness, we use composite modifiers (Re+B, V, Ti And other elements); played an important role in improving toughness.
You can use it to solve simple household things, to complex industrial and manufacturing processes. However, the most common use for carbides is its application and enhancement in steel and metal tools.
What are Chromium Carbide Plates Made Of?
Chromium carbide is made from a mild steel base plate and high levels of carbon and chrome.
You can use them in many different, high stress and high temperature situations.
Chromium Carbide Plates vs. Hardox Plates
A chromium carbide plate is a type of clad plate made from high carbon and chrome. Therefore, its hardness can reach up to 600 BHN. Hardox plates are plates made from Sweden. It is also wear and abrasion resistant but more flexible than chromium carbide plates. They’re used differently because the latter is more used for bending and folding. Unlike chromium carbide plates, Hardox plates might not be effective in high temperature uses.
Is AR500 the Same as Chromium Carbide Plates?
No, AR500 is not the same as chromium carbide plates.
AR500 is a type of hardened abrasion resistant steel. You can actually use it for mining equipment, trucks and truck parts, plows, and the like. A chromium carbide plate is a different type of hard clad plate. You can use it in high stress and high temperature operations.
How Do You Weld Chromium Carbide Plates?
Welding chromium carbide plates is close to how the usual welding process is.
Preheat the base metal to where you would weld the chromium carbide plates]
Position the chromium carbide plates onto the steel or metal base
Use carbon steel electrodes to weld the chromium carbide plate to the machine or equipment
Make sure to choose the best type of filler material for the weld
How Can You Order Chromium Carbide Plates?
You can order chromium carbide plates in the same way of how you order regular AR steels. If you have a supplier in mind, you can contact them via their hotlines. Alternatively, you can also send them an email about it. It would be better to let them know of the amount beforehand.
How long is the delivery time of overlay plate?
Generally it is 5-10 days if the goods are in stock. or it is 15-25 days if the goods are not in stock, it is according to quantity.
Can i get free sample of overlay plate?
Yes, you can get the sample free of charge.
What is payment terms of overlay plate?
We accept TT,LC.If you have good credit, we can accept OA.
Can i get after service if i buy overlay plate?
WALDUN has a professional after-sales service team and we are able to quickly solve customer’s problems. If there are any quality problems, the responsible person will provide reasonable solutions within 12 hours after being notified.
Where Can You Buy Chromium Carbide Plates?
You can purchase chromium carbide plates from many different suppliers all around the globe. But if you want the highest quality of chromium carbide plates, we here at Waldun can offer it to you. We’re the fastest-growing hardfacing and wear plate provider in the region. You can trust us!