Welding service

One-stop anti-resistant welding expert------Zhili New Materials

Started in 1992, the domestic famous wear-resistant parts and wear-resistant service one-stop supplier.Dedicated to mining, cement, power, steel, coal and other industries to provide wear-resistant equipment accessories services.

In order to give full play to the role of surfacing layer, high quality surfacing material and high efficiency and reliable surfacing technology are essential




Why choose us-----advance welding and welding material

As a professional one-stop wear abrasion supplier, we are not only solve your problem of surfacing, but also consider the cost and operability of the enterprise.


World advanced welding provider

We are authoried as hardox wear center by SSAB Swedish Steel Group and has its global leading Duroxite ® wear-resistant overlaying welding technology

All products adopt ASTM G65 standard of American national laboratory

Database case support for all SSAB processing service centers around the world

SSAB has over 100 years of metallurgical technology experience

Therefore, we have the ability to bring you the world's best surfacing wearable solution


Cost-effective solution provider

As a professional one-stop supplier of surfacing and abrasion resistance, we should not only solve your problem of surfacing, but also consider the cost and operability of the enterprise.As a professional one-stop wear abrasion supplier , we not only have to solve your surfacing problems, but also consider the cost and operability of the company.In order to help customer save the production cost, we have established a cooperative relationship with many domestic welding material manufacturers and selected high-quality material suppliers based on Duroxite® advanced technology.




Why choose us --------- Reliable and mature construction team

As the professional one-stop hard facing processing supplier , we pay more attention to reduce customer cost rather than solve the surfacing welding problem

World famous technical group with strong welding background

In order to bring more reliable, stable and efficient service guarantee to the enterprise. The team of engineers has passed the advanced training certificate of welding enterprises. Adopting strict management standard and comprehensive service tracking mechanism

Per construction, we will customize an integrate service plan based on the accrual working condition you given. if you can't provide these information, we will arrange the technical team come to your side and collect the detail information we need.

In the construction process, we will arrange the experienced welding engineers to provide you with reliable online or offline hard facing service guarantee.

At the end of the construction, we need know your wear condition regularly and provide the foundation for the next round of surfacing quality.



Why choose us---- Advanced welding equipment and inspection system

As few company that import of British advanced talents, we could reproduce the grinding roller/segment that made by Polysius,LM,UBE,MPS and so on. And also on-line and off-line repair services.


Features of fixed welding equipment

It apply to grinding mill, coal grinding, slag grinding and roller press under off-line welding. The working performance of repaired items is equal to or even better than the new product

Advantage of fixed welding: The base plate is high-chromium cast-iron which are better control its surfacing temperature. Making welding surface more accuracy.

● Individual durable heavy duty structure

● Motors with encoder for closed-loop control to ensure accuracy

● Linkage between axis

● Durable welding torch, combined with 4-weel wire feeding system

● Modular digital control

● Characterized welding process: suitable for open/submerged arc welding and gouging welding

● Suitable for welding wires of diameter 1.2mm to 3.2mm


Features of portable welding equipment

Customizing online welding service accord to customer’s site working condition in order to Improve toughness of the product , reduce energy consumption, and track usage.

Advantage of portable welding:

● Special light-weight aluminum alloy structure for Unique “install per use” equipment, easy to assemble, install and transport.

● suitable for most of the working conditions

● Simple assembly process for welding torch, combined with 4-weel wire feeding system

● Modular digital control

● Characterized welding process: suitable for open/submerged arc welding and gouging welding

● Suitable for welding wires of diameter 1.2mm to 3.2mm


Comprehensive quality monitoring system

Quality is the fundamental value of corporation. We have a full advanced and efficient checking system for materials and products

● Spectrometer

● Tensile testing machine

● Metallographic analysis system

● Bench hardness tester

● Wear testing machine

Particle size analyzer plus other advanced testing equipment, established innovative laboratory to unsure the quality requirement of materials and products.


Anti-abrasion welding product we provide

Duroxite® overlay plate series

From wearpart's Duroxite ® series composite board products will bring you more lasting use cycle, it can add weeks, months, even years of trouble-free operation to your most extreme wear situations.

It is formed by depositing wear-resistant materials on the top of low carbon steel or Hardox tough wear-resistant steel substrate to form an extremely wear-resistant composite material. The best composition of carbide ensures that the base metal and welding layer uniform adhesive, thus make Duroxite ® has a very high abrasion resistance and long service life

Duroxite ® made by SSAB Sweden steel group, SSAB has widely metallurgy knowledge and technology in the field of wear resistance.

The Duroxite product range is targeted at different types of wear, such as abrasion, impact, heat, metal-to-metal and erosion wear. Duroxite™ is particularly well suited to fighting sliding wear from exceptionally hard particles such as minerals containing quartz

Duroxite 100

Duroxite 100 is manufactured by depositing chromium-rich, abrasion-resistant materials on a mild steel base plate using a traditional arc welding process.

The hardfacing overlay plate is suitable for severe abrasive wear and moderate to low impact applications. The multiple-layer overlay is also capable of maintaining full wear resistance up to 350 ºC (660ºF) and the typical surface hardness of 55 HRC at elevated temperatures up to 540°C (1000°F). Duroxite 100 is available in single layers or multiple layers up to 20 mm (3/4”) in overlay thickness.

Key Benefits

● Same wear resistance guaranteed from surface down to 75% of the overlay

● Optimal carbide composition to provide good combination of wear resistance and homogenous bonding

● Good formability due to staggered cracking pattern on overlay surface

Typical Applications

Duroxite 100 is widely used in the mining, power generation, cement, dredging, steel production, waste handling, glass production, and pulp and paper industries. Some specific applications include:

● Mining: Chutes/hoppers, liners for truck beds, dozer blades, shovel buckets, dragline buckets, excavators

● Cement: Separator guide vanes, discharge cones for clinker storage bins, chutes for sintering ore conveying, outlet ducts for clinker grinding mills, receiving hoppers

● Dredging: Dredging pipes and pumps, suction pipelines, pump discharges

● Steel: Fan blade/housings, coke vibrating screen plates

● Power: Coal handling chutes, coal feeder liners, crusher screen plates, classifier cones, journal liners, silo bunkers

Duroxite 101

Duroxite 101 is manufactured by depositing a chromium-rich carbide overlay on Hardox 450 backing plate. The hardfacing overlay is suitable for severe abrasive wear and impact applications.

With its optimum carbide concentration, consistently good wear resistance from top surface through 75% depth of overlay, and Hardox backing plate, Duroxite 101 provides a better combination of wear and impact resistance compared to the traditional mild steel backing overlay plate.

Key Benefits

● Designed to better withstand plastic deformation due to its high yield strength flexing back after impact

● Stronger support due to high hardness of Hardox and better bonding between overlay and base steel

● When overlay wears off Hardox 450 backing plate will wear at a lower rate than mild steel providing a greater safety margin

● Better performance for impact situations than Duroxite 100 at elevated temperatures up to 350° C (660° F), but impact resistance is best at room temperature

Typical Applications

Duroxite 101 is widely used in the mining, cement and power generation industries. Some specific applications include:

● Mining: Loader bucket liners, bucket lip and side shrouds, jaw shrouds

● Cement: Heel pads and dewatering conveyors

● Power: Coal discharger chutes

Duroxite 200

Duroxite 200 consists of specially formulated abrasive materials deposited on mild steel backing plate that is suitable for extremely severe abrasive wear and high to moderate impact applications.

The overlay material is composed of primary chromium-rich carbides and refined multiple-alloy complex carbides dispersed evenly in a ductile eutectic austenite matrix. Duroxite 200 is available in single and double layers. 

Key Benefits

● Multiple-alloy complex carbides are harder and finer than chromium carbides and interlock between the primary chromium carbides to provide better wear resistance

● Longer service life and better wear resistance compared to traditional chromium carbide overlay plate

● Double-layer overlay maintains full wear resistance up to 600° C (1100° F)

Typical Applications

Duroxite 200 is widely used in many industries including mining, cement and steel. Some specific applications include:

● Mining: Chutes, liner plates, conveyors sides, underground mine skips

● Cement: Cement furnace components, sinter plant parts, fan blades, mixer blades, crews, gyratory mantles, coal and cement pulverizer rolls, raw material crushing components, molding panels

● Steel: Ore sintering, crushing, riddling, blast furnace hoppers, throats, and ovens

Duroxite 201

Duroxite 201 is developed for severe wear and impact applications applying specially formulated abrasive materials on Hardox 450 backing plate.

The overlay material is composed of primary chromium-rich carbides and refined multiple-alloy complex carbides dispersed evenly in a ductile eutectic austenite matrix. The additional multi-alloy carbides are harder and finer than the co-existing chromium-rich carbides which interlock between large primary chromium-rich carbides in a matrix. 

Key Benefits

● Hardox 450 backing withstands plastic deformation better due to its high yield strength flexing back after impact 

● Provides stronger support due to high hardness and better bonding properties between overlay and base steel

● Better performance for impact situations than Duroxite 200 at elevated temperatures up to 350° C (660° F), but impact resistance is best at room temperature

Typical Applications

Duroxite 201 is widely used in many industries including mining, cement and power generation. Some specific applications include:

● Mining: Screen plates, loader bucket liners, feeding systems for ball mills, loader bucket liners, bucket lip shrouds, bucket side shrouds, chutes, liner plates and skip liners

● Cement: Cement furnace components, sinter plant parts, fan blades, mixer blades, crews, gyratory mantles, coal and cement pulverizer rolls, raw material crushing components, molding panels

● Power: Coal discharger chutes

Duroxite 300

Duroxite™ 300 is an iron-based steel alloy overlay deposited on mild steel. It is designed for extremely severe sliding wear for both dry and wet (slurry) abrasive environments.

The overlay contains a unique high volume of ultra-fine borocarbides with a grain size refined down to 500 nm. The borocarbides are completely wetted in a ductile matrix resulting in a product with significantly improved service life that maintains high toughness in extreme sliding wear applications. Duroxite™ 300 is an excellent alternative to tungsten carbide overlay.

Key Benefits

● Extreme wear resistance in dry and wet abrasive environments with a high degree of toughness

● Cost effective alternative to tungsten carbide with equivalent service life and better impact resistance

● Overlay thickness is reduced compared to traditional overlays resulting in a lighter weight product while increasing service life

● Absorbs 25% more impact energy than the traditional chromium overlay plate as measured by the continuous high impact lab test

● Has uniform through-thickness hardness of 67 to 70 HRC for single and multiple-layer overlay. Maintains a high hardness of approximately 60 HRC after exposure to high temperatures up to 1100°F (600°C)

● Maintains a consistent wear resistance from surface down to 75% of the overaly

Typical Applications

Duroxite™ 300 is suitable for use in industries such as mining, cement, oil sands, steel production and several others. Some specific applications include:

● Mining: Crusher rolls, skip liners, slurry pipes and pumps, conveyor chains, excavator bucket liners

● Cement: Fan blades, deflector blades, cranker crushers

● Oil Sands: Surge bins, feed chutes, slurry pipes and pumps

● Steel: Ore chutes

● Power: Screw augers, wear liner plates, ash handling equipment liners

● Agriculture: Grain shedding hammers, sugar mill knives, row crop sweeps

● Oil and Gas: Fracking blender pumps

● Construction: Snow plow shoes, demolition tools

Duroxite 100 Pipe

Duroxite 100 Pipe is manufactured by depositing chromium-rich, abrasion-resistant materials on a mild steel base using a traditional arc welding process.

The hardfacing overlay pipe is designed with extreme wear capabilities for working in the most severe environments. Duroxite 100 Pipe is available with double or multiple overlay passes. Schedule 40 and Schedule 80 steel pipe as well as tubing can be hardfaced. Overlay Pipe can be fabricated as square-to-round transitions, elbows, T or Y-shaped, or as long sweeps.

Key Benefits

● Same wear resistance guaranteed from surface down to 75% of the overlay

● Optimal carbide composition to provide good combination of wear resistance and homogenous bonding

Typical Applications

Duroxite 100 Pipe is widely used in the mining, cement, oil sands, dredging, recycling and steel production industries.Some specific applications include:

● Mining, Cement, Oil Sands: Slurry pumps, chutes

● Dredging: Dredging pipes

● Recycling: Cullet glass

● Steel: Air ducts, carbon injection pipes, suction lines, troughs

Duroxite 400

Duroxite 400 is a specially formulated hardfacing overlay pin engineered and designed to withstand severe heat and metal-to-metal wear applications.

Its exceptional quality comes from the precise control and selection of raw materials as well as proprietary processing. The maximum working temperature for the product is 480 °C (900 °F). The work-hardening hardness of the Duroxite overlay pin can reach up to 58 HRC in service. The Duroxite 400 overlay pin matches with 12% Manganese Bushings. This Bearing System is expected to last longer than traditional hardened surfaces used such as induction heated and quenched 4140 pins.

Key Benefits

● Provides superior wear resistance in overlay and a tough inner core

● Performs well when torqueing and surface compression are involved

● Designed to outlast original equipment and manganese pins

Typical Applications

Duroxite 400 was originally developed for dragline bucket components, but has gained wide acceptance in other applications as well. It is also used for heavy mining or industrial equipment, such as dragline shovels, clam shell buckets, sheave pins, backhoe pins, and crusher shafts.

Overlay pins can be machined to meet the requirements of any specific application.

Duroxite 100 Wire

Duroxite 100 WIRE is a flux-cored welding wire for hardfacing components subject to severe sliding wear and moderate to low impact applications using an open-arc welding process.

The weld deposit contains abrasion-resistant materials composed of a high proportion of extremely hard primary M7C3 chromium-rich carbides. With a typical hardness of 1700 HK 1) these carbides are dispersed evenly in a ductile eutectic austenite matrix. It naturally reveals stress-relief cracks after welding. Duroxite 100 WIRE is suitable for single-layer or multiple-layer deposits up to a maximum of three layers.

Key Benefits

● Same wear resistance guaranteed from surface through 75% depth of overlay in multi-layer deposit

● Optimal alloy formulation that forms a carbide composition which provides a good combination of wear resistance and homogenous bonding

Typical Applications

Duroxite 100 WIRE is mainly designed to use for hardfacing wear parts undergoing wear by earth, sand and abrasives up to 350°C (660°F). Typical examples include: Crusher hammers, gyratory crusher cones and mantles, dredge pumps, slurry pipes, dragline bucket liners, coal pulverizer rolls, coke hammers, sand dredging parts, mining and earthmoving components, and sorting screens.

HK is mainly used for brittle materials NUS microhardness


China Premium anti-resistant series

Flux-cored wire

we provide proper wear resistant flux cored wire for various industrial applications and abrasion.

● Key Benefits

We have the wire formula by independent research and development and advanced overlaying arc welding. The advantages are high deposition rate, no spatter during the process, easy to forming and getting high weld quality. The fixed cost will be reduced 30-40%, the lifetime is 2-3 times as new component. It is success widely used in electric power,cement,mining,petroleum,chemical industry,rail way, valve, ship and sugaring filed.

● Apply field

It widely apply to power, cement, steel, mining, petroleum, chemical industry, railway, valve, sugar, shipbuilding and other industries

We can provide proper flux-cored for different application at industrial field. No matter in the factory or at site, new component part, we all have proper process and way to welding and fix.

Work hardening Manganese Alloys(welding base plate)

Chemical component

Product Name Component(%)—except iron Hardness
C Mn Si Cr Mo Ni others 3 layers deposit Hardness(light HV)
ZL-1996 0.10 6.00 0.50 19.0 - 9.00 - 180HB 47HRC(after welding)
ZL-AP 0.40 16.00 0.50 14.0 - - - 240HB 48HRC(after welding)
ZL-NM14 1.00 14.00 0.50 - - - - 200HB 46HRC(after welding)
Product name Welding(0:arc welding) Standard diameter(mm) EN147000 Standard Apply and specification
ZL-1996 O 1.6-2.8 T Fe 10 ● High crack resistance - austenite structure with strong processing hardening properties
● Widely used: buffer before hardfacing surfacing welding, assembly of wear-resistant plate and armor piece, assembly of manganese steel and foreign joint
ZL-AP O 1.6-2.8 T Fe 9 ● High work hardening rate- Non-magnetic coatings have strong impact and high pressure resistance
● manganese repair, buffer layer and assemble. Chrome cast iron hard surface before surfacing welding buffer
● Apply: rail way track maintenance. Crusher hammer mill head, cone mill.
ZL-NM14 O 1.6-2.8 T Fe 9 ● The color and structure of the deposition is similar to that of Hadfield type manganese steel
● Apply: Repair of cast iron defects
Welding material

Chemical component

Product name Component(%)—except iron Hardness(HRC)
C Mn Si Cr Mo Ni others 3 layers deposit Hardness(light HV)
ZL-BN 0.50 1.80 1.20 - - 2.00 B: 4.50 65HRC 2100-3300
ZL-BNC 2.5 2.00 0.60 11.5 - 5.00 - 67HRC 1350-3300
ZL-FC 5.00 1.00 0.80 19.0 - - - 60HRC 950-1450
ZL-HC 5.00 1.30 1.50 27.0 - - - 61HRC 950-1450
ZL-100Mo 5.00 1.30 1.50 25 3 - - 62HRC 950-1500
ZL-HC333 3.50 0.20 1.00 32.5 0.50 - - 60HRC 950-1500
ZL-CN 5.00 0.50 1.00 22.0 - - Nb: 7.00 63HRC 950-2000
ZL-CV 5.50 0.50 1.30 21.5 3.00 6.20 W: 1.00 V: 0.40 64HRC 950-2900
ZL-CNV 5.50 0.50 1.50 22.0 5.50 6.00 W: 2.00 V: 1.00 65HRC 950-2900
ZL-VN 5.00 0.50 1.20 22.5 - - V: 7.0 63HRC 950-2900
ZL-VNB 5.50 0.50 1.30 16.0 - - V: 6.0 Nb: 6.50 B:1.00 66HRC 950-3300
ZL-VN78 5.00 0.50 1.20 22.0 - - V: 7.0 Nb: 6.50 66 HRC 950-3300
ZL-TIC 1.80 1.20 0.70 6.50 - - V: 0.20 Mo:0.80 Ti:5.00 57HRC 950-3200
ZL-TICM 1.60 1.00 0.90 7.00 - - Mo: 1.10 Ti: 5.00 59HRC 95-3200
Product name Welding ( Acr welding) Standard diameter EN147000 Standard Impact grade Preformance and apply
ZL-BN O 1.6-2.8 T ZFe 13 Low Impact ● Ultra hardness single layer deposit designed to resist wear. It used for welding non - alloy steel with carbon content less than 0.5%
● Appy:Equipment used in agriculture, quarrying, mining and civil engineering industries, such as screw pulverizer, hopper, decorative tool, etc
ZL-BNC O 1.6-2.8 T ZFe Low Impact ● Superhard deposition has high wear resistance under high stress and medium impact conditions
● Contains extremely hard boron carbide
● Screw conveyor, sintering screen, fan, crusher, etc
ZL-FC O 1.6-2.8 T ZFe Medium Impact ● Chromium-containing cast iron is well suited for wear and medium impact applications
● Apply: Beverage crushers, crushers, chemicals and food processing industries
ZL-HC O(Coating) 1.6-2.8 T ZFe 15 Medium Impact ● High wear - resistant chromium carbide deposition, the toughness mechanism of the primary chromium carbide and eutectic chromium carbide combined
● Apply: high performance composite components, suitable for high abrasion and medium impact applications, such as welding remanufacturing power plant coal grinding roll/segment, cement vertical slow roll/hammer machine, composite roller surfacing
ZL-100Mo O(Coating) 1.6-2.8 T ZFe 15 Medium Impact ● High abrasion chromium carbon welding● Combination of primary chromium carbide and eutectic chromium carbide in ductile mechanism
● Apply: high performance composite components, suitable for high abrasion and medium impact applications, such as welding remanufacturing power plant coal grinding roll/segment, cement vertical slow roll/hammer machine, composite roller surfacing
ZL-HC333 O 1.6-2.8 T ZFe 14 Medium Impact ● Single-layer high-alloy chromium carbide welding.
● Apply: thin components or limit weight parts, such as continuous screws, fans, buckets, and mixer blades
ZL-CN O 1.6-2.8 T ZFe 15 Medium Impact ● High concentration of niobium carbide and chromium carbide
● Welding with strong hardness fine particles have good wear resistance
● Apply: Design of high performance composite components, suitable for height under wear and do hardfaced with moderate impact components, such as welding remanufacturing power plant coal grinding roll/grinder, cement vertical slow roll/hammer machine, composite roller surfacing, etc
ZL-CV O 1.6-2.8 T ZFe 16 Medium Impact ● High alloy chromium carbide base deposit, high concentration of compound carbide
● Resistance to wear and impact at high temperature
● Apply: Thick deposit for slag treatment in steel industry
ZL-CNV O 1.6-2.8 T ZFe 16 Medium Impact ● High alloy chromium cast iron with high concentration complex carbide
● Resistance to wear and impact at high temperature. The secondary characteristic can be achieved after at least three layers of welding
● Apply:sieving,hopper,extraction
ZL-VN O 1.6-2.8 T ZFe 16 Medium Impact ● Carbonized collaterals, vanadium carbide evenly distributed in the deposit layer
● Apply: high performance composite components, suitable for height under wear and do hard faced with moderate impact components, such as welding remanufacturing power plant coal grinding roll/grinder, cement vertical slow roll/hammer machine, composite roller surfacing.
ZL-VNB O 1.6-2.8 T ZFe 16 Medium Impact ● Chromium cast iron containing complex niobium carbide, vanadium carbide and chromium carbide
● Apply:shovel buckets,Lignite crusher fan,Coal homogenizer,Power metallurgy industry equipment
ZL-VN78 O 2.8 T ZFe 16 Medium Impact ● Chromium cast iron containing complex niobium carbide, vanadium carbide and chromium carbide
● Apply:high performance composite components, suitable for high abrasion and medium impact applications, such as welding remanufacturing power plant coal grinding roll/segment, cement vertical slow roll/hammer machine, composite roller surfacing
ZL-TIC O 1.6-2.8 T ZFe 8 High Impact ● Contains extremely hard finely distributed titanium carbide
● It apply to thick layer of large parts
● Ideal solution to resist wear, high pressure and high impact
● Apply: Crusher, crusher, asphalt kneader, shaft impact crusher rotor, roller press
ZL-TICM O 1.6-2.8 T ZFe 8
Gas-shielded flux cored arc welding
Product name Welding ( Acr welding) Standard diameter EN147000 Standard Apply and specificaaction
ZLG O 2.8 T ZFe 8 It solved the cutting problem of High chromium material by using the flux air cored wire that is self-development. Meanwhile, it can avoid the risk of Caburization,increase the efficiency Of air-arcing. There is no distinct Harmful smoke during the work Because of without carbon rod in the wire

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