Start with the equipment and installation position, assess wear and failure modes, and shortlist material families. Then use drawings, standards, inspection reports and actual operating conditions to confirm the grade, heat treatment and manufacturing requirements.
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Confirm the equipment, installation position, processed material, impact and wear mechanism before selecting candidate material families. Parts with the same name may require very different materials and heat treatments because particle size, impact energy, temperature, corrosion and section dimensions differ.
For crushing, grinding and drive components, hardness is only one factor. Impact toughness, hardenability, section size, fatigue strength and heat-treatment consistency also determine reliability.
Low-impact areas dominated by sliding wear from fine material may not develop sufficient work hardening.
View high-manganese steel applications →Chromium-molybdenum steel, martensitic steel and ordinary structural steel are distinct materials; differentiate them by section size and impact conditions.
View alloy-steel application limits →Use cautiously where large lumps strike directly, tramp metal is present or substantial bending loads occur.
View high-chromium iron applications →Drive parts must first carry load. Nominal hardness or a generic wear-steel label is not enough to justify substitution.
View drive-component materials →Check thickness, welding heat input, bend radius and low-temperature impact properties against the structure.
View wear-plate applications →Match the journal, clearance, lubrication, load and contamination control as a system.
View bearing materials and copper alloys →Place very hard material in the wear zone while retaining a tough load-bearing substrate. Interfaces, attachment methods and heat-affected zones often matter more than hardness alone.
Not suited to monolithic structural parts undergoing large deformation. Stud geometry, retention and brazing quality are critical.
View carbide and composite applications →Uncushioned ceramics are unsuitable for direct impact from large lumps. Specify ceramic type, purity, attachment and substrate.
View ceramic-composite applications →Composite is not a material grade. Reliability depends on interface bonding, hard-phase placement and impact limits.
View bimetallic designs →Control substrate weldability, dilution, interpass temperature, cracking and residual stress.
View hardfacing and repair →Select by temperature, medium, stress and manufacturing process together. Generic labels such as heat-resistant or stainless steel cannot replace a grade specification.
View specialty-material limits →These materials cannot be treated simply as plastic or rubber. Suitability depends on friction, impact, slurry, temperature, medium, creep and attachment method.
Distinguish rubber liners, PU wear parts and sealing elastomers: their temperature, hydrolysis and tear-resistance limits differ.
View rubber and polyurethane applications →Check temperature, creep, stresses around holes and direct impact. Molecular weight, formulation and service life cannot be inferred from the material name.
View material, component and project limits →NBR, HNBR, FKM, PU and PTFE have different temperature and media limits and are not universally interchangeable.
View sealing materials and components →This table supports preliminary screening, not final material selection. Confirm the final specification against the equipment model, drawing number, dimensions, processed material and failure photographs.
| Component group | Main conditions / failure modes | Common candidate materials | Final checks |
|---|---|---|---|
| Jaw plates, mantles, concaves and crusher liners | Compression and impact from large ore lumps; gouging, plastic deformation or fatigue cracking. | High-manganese steel; alloyed high-manganese steel, martensitic steel or composites in selected conditions. | Feed size, hardness, impact energy, tramp-metal risk, chamber profile and liner thickness. |
| SAG/ball mill liners, lifters and grates | Combined impact, sliding or rolling wear, slurry corrosion and cyclic loading. | Chromium-molybdenum steel, martensitic steel, high-manganese steel, rubber or rubber-metal composites. | Mill size and speed, ball charge, ore size, installation position, section geometry and liner lifting action. |
| HPGR roll surfaces, studs and receiving-hopper liners | High-pressure material-bed wear and edge erosion; hopper zones also face falling-material impact, sliding and buildup. | Roll hardfacing and tungsten-carbide studs; quenched-and-tempered wear plate, rubber or modified UHMWPE for the receiving hopper. | Roll pressure, material, drop height, temperature, liner attachment, hole-edge stress and recorded field life. |
| Wetted parts of slurry pumps, hydrocyclones and slurry pipelines | Slurry erosion, particle abrasion, corrosion and local cavitation. | High-chromium white iron, rubber, polyurethane, wear-resistant ceramics or corrosion-resistant specialty alloys. | Particle size and concentration, flow velocity, pH, temperature, cavitation location and assembly method. |
| Bin, chute, feed and discharge liners | Sliding wear, falling-material impact, buildup, noise and local corrosion. | Quenched-and-tempered wear plate, UHMWPE, ceramic-rubber composite panels, rubber or bimetallic plate. | Drop height, impact angle, particle size, temperature, buildup tendency, support and attachment structure. |
| Gears, pinions, ring gears, shafts and sprockets | Cyclic bending, contact fatigue, impact loading, tooth-flank wear and journal wear. | Quenched-and-tempered alloy steel, carburizing steel or induction-hardened steel; select copper alloys or plain-bearing materials for bushings according to load. | Load spectrum, module and dimensions, core toughness, hardened tooth layer, fits, lubrication and non-destructive testing. |
| Bushings, bearing shells, housings and thrust components | Sliding friction, boundary lubrication, uneven loading, contamination and fatigue. | Copper alloys, Babbitt, bearing steel, engineering plastics or composite plain-bearing materials. | Journal material, clearance, bearing pressure, speed, lubrication method, temperature rise and contamination control. |
| Seals, wipers, guide rings and hydraulic components | Oil or slurry media, pressure cycling, temperature, friction and particle ingress. | NBR, HNBR, FKM, PU, PTFE and composite sealing systems. | Media compatibility, operating temperature, pressure, speed, groove dimensions and surface roughness. |
Equipment and component: Polymer receiving/feed-hopper liners for the FLSmidth HPGR PM9-24/19M, covered by the MЗ-0621 drawing series. The manufacturing drawing specifies a finished thickness of 60 mm.
Why this material family: This location combines falling-material impact, sliding wear and buildup risk. Candidate materials must balance low friction and water absorption with impact and wear resistance.
Project limits: Molecular weight and formulation are project requirements; field life is project feedback. The customer's 24-month requirement is not a universal service-life commitment.
Start with the part: Liners, gears, bushings, seals and hoppers in the same machine perform different duties. A general requirement for wear resistance cannot determine one material for all of them.
Then confirm the specification: Material pages guide preliminary screening. Confirm the final grade, process and inspection requirements against drawings, operating conditions, failure photographs and the technical agreement.
Include at least the following in your enquiry: Equipment brand and model, part name or drawing number, installation position, dimensions or drawings, processed material, particle size, current material, failure photographs, expected life and quantity. ANRANST uses these to identify the part, shortlist materials, check manufacturing processes and confirm the supply route.
Material pages explain properties and application limits; technical articles cover selection, manufacturing and inspection methods in more detail.
Select liners by installation position, wear mechanism, material family, manufacturing requirements and inspection criteria.
Read the article →How feed, discharge setting, material work hardening and maintenance jointly affect jaw-plate performance.
Read the article →Compare impact toughness, work hardening, carbide wear resistance and relevant failure modes.
Read the article →Check delivery quality through composition, mechanical properties, microstructure, heat treatment, dimensions and non-destructive testing.
Read the article →A material name is only the starting point. Engineers need part details, drawings and actual operating conditions to assess candidate materials, manufacturing processes and inspection requirements:
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Equipment and part identification, drawing checks, material selection and manufacturing feasibility assessment.
Material grades and heat-treatment processes are specified order by order, confirmed in the technical agreement and tracked through production.
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Coordinate manufacturing, quality confirmation, packaging and delivery of finished parts through a practical supply process.
Send the model, drawings, drawing or part numbers, material and operating conditions so we can define the technical checks and supply route.
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