Achieving Peak Durability with Our Wear Resistant bush Solutions
In demanding industrial environments, component failure due to friction and abrasion is costly. Our high-performance Wear Resistant bush is specifically designed to eliminate this weakness, maximizing your machinery’s operational efficiency and extending maintenance cycles. Utilizing superior metallurgy and controlled manufacturing, this component provides the longevity required for heavy-duty applications like mining, aggregate, and power generation.
We focus on delivering not just a part, but a foundational solution for sustained operational integrity.
Unmatched Abrasion Resistance: Cr2021 High Chrome Iron
The performance cornerstone of this component is the choice of material: High chromium cast iron Cr20/21. This alloy offers exceptional properties that far surpass standard metals:
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Extreme Hardness: Following rigorous heat treatment protocols, the bush achieves a verified hardness of Greater than 58 HRC. This surface hardness is crucial for resisting abrasive wear.
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Microstructure Integrity: The high-chromium content ensures the formation of stable carbides, which act as micro-armor, dramatically slowing down material degradation from sliding contact and particle erosion.
Choosing this specialized Wear Resistant bush means significantly reducing the total cost of ownership over the equipment’s lifespan.
Precision Manufacturing Through Sand Casting
Our components are manufactured using the Sand casting method. This traditional yet highly refined process is essential for producing complex, thick-walled parts with structural consistency. The slow cooling rate achieved during sand casting helps in optimizing the high-chromium microstructure, ensuring uniform hardness distribution throughout the Wear Resistant bush.
We maintain strict quality control throughout the casting and finishing stages to guarantee minimal porosity and dimensional accuracy, which is vital for proper installation and reliable performance in your machinery.
Tailored Performance and Material Customization
We recognize that abrasive environments are not all the same. While the standard High chromium cast iron Cr2021 composition offers >58 HRC, we provide flexibility for specialized requirements.
Note: The material can be adjusted according to user needs to enhance hardness or alter the toughness profile. Our engineering team can collaborate with you to fine-tune the alloy composition, delivering a customized bush that withstands your most challenging specific wear mechanisms, whether it be impact, corrosion, or severe abrasion.
This commitment to customization ensures your purchase is a precise fit for your operational needs, guaranteeing optimal performance where generic parts would fail.
| Manufacturing Method | Sand Casting(Resin Sand, Pre-Coated Sand, Clay Sand, Water glass sand, Green Sand,lost foam ) |
| Material Standard | GB, ANSI, BS, DIN, JIS, ASTM, ASME, AISI, etc carbon steel, low carbon steel, middle carbon steel, G35, G45, WCB, WCA, WCC, ISO 340-550, etc. Alloy Carbon steel: G25CrMo4, Heat Resistant Steel, etc. Stainless Steel: SUS 304, 304L, 316, 316L, CF8, CF8M, G-X7CrNiNb1189, etc. AS2074 or according to customer specific requirement. Ductile Iron:A536-Gr.60-40-18,GGG40,GGG50,FCD40,FCD50,Gr370-17,Gr420-12,etc Grey Iron:A48-No.20,25,30,GG10,GG15,GG20,FC10,FC15,FC20,Grade 150,180,220,FGL150,FGL200,FGL250,etc |
| Weight Range | 1 kg to 100 Tons |
| General Casting Tolerance | CT8-CT12 |
| Design Software | UG, Pro-E, Inventor |
| Dwg Format | STP, STEP, IGS,STP,X_T ,DXF,DWG , Pro/E, PDF, SLDPRT |
| Mould Manufacturing | Yes |
| Casting Stimulation | Yes |
| Ultimate machining tolerance | 0.005mm |
| Quality Control | RT,UT,MT,PT,CMM,SCAN,Chemical and Mechanical Property Testing,Spectrometer,etc |
| Finish Roughness | Ra12.5-Ra25 according to customer requirement |
| Logo/ID | Silk-screening, Laser Marking, Engrave,Painting |
| Heat Treatment | Normalization, Annealing, Quenching and Tempering, Case Hardening, Nitriding, Carbon Nitriding, Induction Quenching,etc |
| Surface Treatment | Shot/sand blast, Polishing, Surface Passivation, Painting , Anodizing,Powder coating, ED- Coating, Chrome Plating, zinc-plate, Dacromat coating, Finish Painting,hot-dip galvanizing, etc |
FAQ: Common Questions About Our Wear-Resistant Bushings
Q1: How does Cr2021 High-Chromium Iron compare to standard Manganese Steel for bushings? While Manganese steel relies on work-hardening (impact) to become hard, our Cr2021 High-Chromium cast iron possesses intrinsic hardness right out of the box. With a hardness greater than 58 HRC, our wear-resistant bushing offers superior performance in low-impact, high-abrasion environments where standard manganese steel would wear out too quickly.
Q2: What is the expected service life of these sand-cast bushings? Service life depends on the specific operating conditions, but generally, high-chrome alloy bushings can outlast standard carbon steel or low-alloy alternatives by 2 to 3 times. The specialized heat treatment process ensures the carbide structure resists sliding abrasion, significantly reducing maintenance frequency and equipment downtime.
Q3: Can the material hardness be customized beyond 58 HRC? Yes. We understand that extreme applications require extreme solutions. While our standard specification is >58 HRC, we can adjust the chemical composition and heat treatment cycles to enhance the hardness or modify the toughness according to your specific user needs. Please contact our engineering team with your technical drawings.
Q4: Is the sand casting method reliable for high-precision applications? Absolutely. We utilize advanced sand casting techniques combined with rigorous post-casting machining. This allows us to produce wear-resistant bushings with complex shapes and excellent internal structural integrity, free from significant porosity. All parts undergo dimensional inspection to ensure they fit your machinery perfectly.
