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Rare earth metal wear resistant pipe

The material of the rare earth alloy wear-resistant pipe is ZG40CrMnMoNiSiRe, which is also the grade of rare earth alloy steel.

The wear and tear of rare earth alloy is a phenomenon of material loss caused by relative motion between objects. Rare earth wear-resistant alloy steel tube wear-resistant materials can resist wear and prolong the life of the product.

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rare earth wear resistant pipes

Horizontal centrifugal casting process of rare earth alloy wear-resistant pipe

Horizontal centrifugal casting

Rare earth alloy wear-resistant pipe is produced by horizontal centrifugal casting, in which the smelted liquid metal is passed through the pouring riser and diverted into the rotating mold barrel (the speed of the mold barrel is generally 800-1000 rpm), under the action of centrifugal force A casting method for filling and solidifying into a casting. The horizontal centrifugal casting machine is used for casting various tubular castings and various carbon steel, alloy steel pipes and double-layer steel rolls that require different compositions of inner and outer layers.

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Rare earth alloy wear-resistant pipe

Application

Rare earth alloy wear-resistant pipe is used for conveying wear-resistant pipes such as power plant powder and ash, mine slag and non-ferrous metal coal extraction and slag discharge, shock resistance and wear resistance.

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rare earth alloy wear resistant high chromium cast iron pipes are used in powr plant

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Performance table of high strength rare earth alloy wear-resistant steel

No.GradeYield Strength
≥Mpa		Compressive strength
≥Mpa		Impact
J/cm²		Temperature
℃		Abrasive wear
mg/g		Hardness
≥HRC≥HB
1JM17901111000.02645
2JM2810910500.02351
3JM389053000.02163
4JM49101610500.033-600
5JM592065300.04252
6JM6940104000.06945
7JM6A7301007500.091-210
8JM6B680907600.096-220
9JM7C450690511500.04136
10JM7380580128000.06336
11JM7A400530169000.08334
12JM7B420560209500.8932
13JMB59051000.02652
14JM196105.59600.02450
15JM105804.59800.091-441
16JM111700107500.12-300
17JM1298066000.59-460
18JM1392078500.03948
19JM149507.54500.06440

Property of rare earth alloy wear-resistant tube

No.：ZG40CrNiMoMnSiRe
Hardness：HTC≥40
temperature
℃		Abrasive wearmg/ghardness
HRC		Tensile strengthN/mm²Impact toughness
J/cm²
≤3000.021≥638905
≤3500.033≥569106
≤3500.042≥459106
≤4000.069≥429606
≤4000.039≥489207
≤4000.064≥409507
≤4000.069≥369108
≤4000.036≥4210408.5-10

Rare earth alloy wear-resistant pipe material composition table

No.GradeCMnSiCrNiMoWVNbCuReNSP
1ZGCr20Mo3Ni3Re2.50/31.50/20.80/1.218.0/232.50/3√1.20/1.5√≤0.06≤0.06
2ZGCr28Mo3Ni3Re2.80/3.31.50/21.80/1.225.0/3002.80/3.3√1.80/2.3√≤0.06≤0.06
3ZGCr15Mo3Re2.60/3.21.20/1.61.0/1.512.0/16√2.50/31080/1.2√≤0.04≤0.05
4ZGCr25Ni4Si2Re0.35/0.450.80/1.21.20/1.623.0/263.50/4.5√√≤0.035≤0.045
5ZGCr15Mo2Re1.80/2.20.80/1.21.0/1.514.0/18√2.0/2.50.80/1.2√≤0.04≤0.05
6ZG40CrMnMoNiSiRe0.40/0.51.20/1.61.50/21.10/1.61.0/1.5√√√√≤0.035≤0.04
7ZG40Cr5Ni3MoVWRe0.35/0.450.80/1.21.20/1.623.0/262.50/3.5√√√√≤0.045≤0.055
8ZG50Cr18Ni4MoVWCuRe0.45/0.61.0/1.41.50/216.0/203.50/5√√√0.40/0.6√≤0.35≤0.35
9ZGCr25Ni2Mo2WVCuRe0.40/0.60.80/1.21.20/1.623.0/v1.50/2.5√√√0.20/0.4√≤0.035≤0.035
10ZG40Cr25Ni6MoWVCuRe0.35/0.451.2/1.61.50/223.0/265.0/7√√√√√√≤0.35≤0.045
11ZG90CrMn13MoSiVRe0.40/1.311.0/140.30/0.8√√≤0.04≤0.04
12ZGCrMu10MoSiVRe1.0/1.28.0/110.30/0.8√√≤0.04≤0.04
13ZGW5Cr4Re2.50/3.51.5/10.50/135.0/4.5√√≤0.10≤0.15
14ZGCr25MoRe2.30/30.50/0.90.30/0.623.0/28√√≤0.06≤0.10
15ZGCr15MoRe3.0/3.5≤1.00.15/115.0/18.62.80/3.3√≤0.06≤0.10
16ZG30CrMnSi0.27/0.331.30/1.51.20/1.5√√√≤0.03≤0.04
17ZG40CrNiRe0.28/0.431.10/1.40.80/1√√√≤0.06≤0.10
18ZG33Cr13Ni4Re0.30/0.35≤0.80≤0.6012.0/144.0/4.5√√≤0.06≤0.10
19ZG40CrSiN0.35/0.451.0/1.51.50/2√√≤0.04≤0.08
Note: All content in this article is for reference only.

Medium carbon alloy rare earth wear-resistant steel

Medium-carbon alloy rare earth wear-resistant steel is a wear-resistant alloy material jointly developed by our factory and North Jiaotong University in the 1980s. After years of continuous improvement, this alloy material has been serialized and can meet various working conditions of power plants.

Power plant boilers have used medium carbon alloy rare earth wear-resistant steel pipe fittings for powder feeding elbows and ash and slag discharge pipes for nearly 20 years, and have won their wide recognition.

Power plants use rare earth wear resistant pipes for a long time
Power plants use rare earth wear-resistant pipes for a long time
Rare earth wear resistant alloy pipes in use 3
New rare earth alloy wear resistant pipeline

Medium-carbon alloy rare earth wear-resistant steel materials have the advantages that other wear-resistant materials cannot be used in general, such as accessories for some equipment of power plant coal grinding, pulverizing, ash removal, and slag discharge systems that cannot be manufactured by bimetallic materials. Such as slag scraper scraper, pulverized coal mixer, spiral pipe, etc., can all be made of this material, which brings great convenience to the operation, maintenance and management of the power plant.

Rare earth alloy wear resistant elbow 03

The composition design of medium carbon alloy rare earth wear-resistant steel adopts medium carbon multi-alloy system to ensure that the material maintains comprehensive performance indicators. Combining the characteristics of our country’s resources, this material adopts a small amount of multi-element alloy body, and adds FeV, FeNb, Cu and other multi-alloy elements on the basis of the original alloy materials FeCr, FeMn, Ni, Re, FeSi, etc., to ensure the performance of the product.

The medium carbon alloy rare earth wear-resistant steel has high wear resistance, and the rare earth wear-resistant alloy steel has strong wear resistance. After adding FeV, FeNb, and Cu, the metallographic structure of the material has changed. The metallographic structure is: Lath Martensite + Bainite. The grains are finer, the strength is higher, the plasticity is stronger, and the metal matrix is ​​further passivated, so that the wear resistance of the original material has been improved.

rare earth alloy wear resistant high chromium cast iron pipes packing
rare earth alloy wear resistant high chromium cast iron pipes usage 1

Medium carbon alloy rare earth wear-resistant steel has high temperature resistance, strong corrosion resistance and improved wear resistance. The content of Ni and Cr elements in the alloy directly determines the temperature resistance of the material. The content of Cr element and Cu element determines the corrosion resistance of the material. The reasonable combination of these elements makes the new rare earth wear-resistant alloy material have several properties at the same time, such as high wear resistance and high wear resistance. It has excellent corrosion resistance, so it can adapt to the use of various harsh working conditions.

rare earth alloy wear resistant high chromium cast iron pipes are used in coal cleaning plant

The medium carbon alloy rare earth wear-resistant steel has advanced technology and stable performance. On the basis of centrifugal casting and resin sand molding, our factory has introduced a new EPC lost foam vacuum suction casting process to make molds according to product structure, application, use method, and quantity. High precision, uniform material structure and stable performance, especially for special-shaped parts such as wear-resistant spiral pipes, pulverized coal mixers, fork pipes, import and export hoppers, round and round joints, cone buckets, etc., the wall thickness is uniform.

Installation

Rare earth alloy wear-resistant pipes are suitable for thermal power plants, coal washing plants, coal preparation plants, metallurgical mines and other working conditions in the coal industry. The common connection methods of rare earth alloy wear-resistant pipes include welding, flange connection, and V-connector connection.

Rare earth alloy wear-resistant pipe

Features

Rare earth alloy wear-resistant pipe is used for pneumatic, pumping slurry and other material conveying pipes. It has the characteristics of fast flow rate and large flow rate.

Abrasion resistance

Compared with high manganese steel materials under the same conditions, the unit wear of rare earth alloy is about 1/3 that of high manganese steel, and its service life is 2-3 times that of high manganese steel.

Strong corrosion resistance, high temperature, high wear resistance

Because R alpha composition and structure characteristics of carbide , and the content of solid solution to Cr matrix has strong heat resistance, corrosion resistance, and add the Mo in the high temperature or corrosive environment shows the performance of corrosion resistance, abrasion resistance, add a certain amount of rare earths, giving the inner structure of the alloy is more compact, surface to form a layer of protective film, prevent seepage of carbon. Increased wear resistance, corrosion resistance; Containing a certain amount of boron makes the alloy hardness , which can not was achieved by carburizing. At the same time, containing a certain amount of Mn increases the fatigue resistance of the alloy , so that the wear resistance of the alloy is better than that of high chromium alloy and rare earth alloy.

More convenient installation and maintenance
  • Rare earth wear resistant alloy pipe, metal wear resistant pipe, high hardness, heat treatment pipe arbitrary cutting, unloading, installation, maintenance, very convenient.
  • Elbow and branch pipe can be used together with the seamless steel pipe section, flange connection pipe is more reliable, easy to disassemble.
  • Good welding performance, can be cut, butt-welded with low carbon steel, suitable for operation and construction in various places and environments.

Alloy cast pipe has high pressure resistance

Alloy wear-resistant casting pipe can bear the pressure of 6 ㎏ / cm2, can be applied to gas conveying high pressure pipeline, for external use high-quality steel pipe or is made of high qualified steel plate, hot pressing push system, through the good welding, makes the elbow in more than 10 kg/cm2 pressure is no problem, won’t appear because of local air leakage, diversion phenomenon of material.

Advantages that other wear-resistant materials

Such as bimetallic materials can not be manufactured in the power plant coal grinding, pulverizing, ash removal, slag discharge system of some equipment accessories. Such as dredge scraper, pulverized coal mixer, spiral tube, etc., can be made of this material, which brings great convenience to power plant operation, maintenance and management.

Advanced technology and stable performance

On the basis of centrifugal casting and resin sand molding, the company introduced a new EPC lost foam vacuum suction casting process to make molds according to product structure, application, usage method and quantity, with high dimensional accuracy, uniform material organization and stable performance, especially for wear-resistant Spiral pipes, pulverized coal mixers, fork pipes, import and export hoppers, round and round joints, cone buckets and other special-shaped parts are cast as a whole, and the wall thickness is uniform.

Disadvantages

The disadvantage of rare earth wear-resistant alloy steel is its low impact resistance, so it should be carefully handled during transportation and installation.

Frequently Asked Questions

FAQ

How long is your delivery time?

The delivery time of customized products is generally 25 35 days, and non customized products are generally shipped within 24 hours after payment.

What are your payment terms?

T/T 30% as the deposit,The balance payment is paid in full before shipment

What is your minimum order quantity?

There is no minimum order quantity requirement. Customized products are tailor made according to the drawings provided by the customer.

Do you provide samples? Is it free?

If the value of the sample is low, we will provide it for free, but the freight needs to be paid by the customer. But for some high value samples, we need to charge a fee.

What is the packaging and transportation form?

Non steaming wooden box and iron frame packaging. Special packaging is available according to customer needs. The transportation is mainly by sea.

Inspections

As part of our quality regimen, 100% of incoming raw materials, semi-finished products, as well as finished products are thoroughly inspected prior to being entered into our inventory. We have established multiple hold points throughout fabrication as well as a comprehensive final inspection for all products.

Need to inquire about our products? Fill out the form below and our staff will be in touch!
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Why Do I Need Wear Parts?

“Wear” is the last thing any business wants to experience with their machines. Apart from its unpleasant physicality, it could also be a sign that means your parts and/or components are about to break. You need wear parts to help prevent or prolong the wearing out of these parts and components – and that could be any type of wear parts such as pipes, liners, plates, etc.

What Kinds of Wear Plates Do You Offer?

Here at Sunny Steel, we put emphasis to the primary kinds and types of wear pipes and fittings – they include:
  • Ceramic Liner pipes and fittings
  • Ceramic tile lined pipes and fittings
  • Ceramic sleeve lined pipes and fittings
  • Cast basalt lined pipes and fittings
All of them have their particular uses, but these cover almost all the materials companies need to work on.

Merits and Salient Features

  • Extremely High Resistant to Abrasion, Erosion and Corrosion.
  • Resistant to most of the Chemicals, Alkalis and Acids.
  • Very Long life
  • Less Down time and Maintenance Cost.
application of rare earth alloy wear resistant pipe

Thermal power stations – raw coal chutes/ hoppers, feed bunker/coal bunker, ash pits, crushers, bottom ash, disposal slurry, dust lines/ bends, pipeline/bends, fly ash. Trenches below hopper and pipelines, pulverized coal piping.

Cement plants – dynamic air separators, raw mill ducts/ chutes, drag chain conveyor, grate cooler housing, air separator/ cyclones, coal handling, coal hopper/ chutes, cement conveying, slurry lines/ bends lines/ bends, discharge boxes / bankers, lime/silica hoppers/chutes, chain conveyor housing, mixers/nozzles, coal ventury.

Steel plants – coke sorting unit, coal bunkers / sinter bunkers, lime bunkers, coke breeze, sinter plant cyclones, sinter plant flow conveyors, iron slurry line, thick slurry lines, air lift pipes, telescopic pipes, granulated slag, hot mill flume.

Coal washeries – coal washing plants, coal transportation, conveyor chutes/pipes, floatation cells, media sumps, centrifuges, cyclones, sieves.

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