Product Category

　　Product Highlights
　　1. Impact-induced self-hardening: the more it is used, the more wear-resistant it becomes. Under severe impact and compressive conditions, ZGMn13 high-manganese steel rapidly undergoes work hardening on its surface, while maintaining excellent toughness and ductility internally. This combination of a hard exterior and tough interior ensures that its wear resistance continuously improves under heavy impact loads.
　　2. Precise dimensional control, seamless interchangeability: Pin holes and mating surfaces are CNC-machined with tight tolerances, ensuring coaxiality, bore diameter, plate thickness, and mounting hole spacing are maintained within extremely tight limits. Parts of the same model can be interchanged without modification, and no grinding or fitting is required during assembly.
　　3. Widened anti-sinkage design and high‑tread anti‑slip: The widened platform increases ground contact area to prevent equipment from sinking into soft mine floors; the high‑tread tracks grip hard rock surfaces, ensuring stable climbing and digging without slipping.
　　User Pain Points
　　In open-pit mining operations, electric shovel track shoes are subjected to prolonged impact, crushing forces, and severe friction. Conventional products exhibit poor wear resistance and short service lives, with frequent replacements reducing mining efficiency; insufficient dimensional accuracy often causes assembly binding and abnormal running noises, increasing failure rates and maintenance complexity.
　　Solution
　　Our company’s ZGMn13 high-manganese steel track shoes are specifically designed for heavy-load travel conditions: under severe impact, the high-manganese steel surface hardens rapidly, effectively resisting wear; critical pin holes and mating surfaces are precision CNC‑machined, ensuring seamless interchangeability with parts of the same model without the need for grinding or fitting; the widened shoe base increases ground contact area, and when paired with high‑profile lug spikes, provides superior traction. Custom orders based on drawings are delivered in 60–75 days, with a minimum order quantity of one piece and flexible responsiveness.
　　I. Product Description
　　The product is precision-cast as a single piece from high-quality ZGMn13-series high-manganese alloy steel and undergoes standard water‑toughening heat treatment. It is specifically designed for the long‑term, high‑intensity stripping operations of large electric shovels in open‑pit coal mines and hard‑rock metal mines, effectively protecting undercarriage components such as track chains and road wheels, and serving as a critical component to ensure continuous, efficient mining operations.
　　II. Product Specification Sheet

　　 III. Product Features and Advantages
　　1. Impact self-hardening: the more it is used, the more wear-resistant it becomes. Under severe impact, the surface austenite of high-manganese steel rapidly work-hardens, increasing its hardness from HB200 to over HB500, while maintaining excellent internal toughness, thereby effectively resisting ore impacts and abrasion.
　　2. Precise dimensional control, seamless interchangeability: pin holes and mounting surfaces are CNC-machined to exact dimensions, ensuring uniformity and compliance with standards. Spare parts of the same model can be interchanged without any fitting or reworking, saving time and effort during installation.
　　3. Wider anti-sink design, high‑tread anti‑slip: The widened platform increases ground contact area to prevent equipment from sinking; the high‑tread spikes grip rocky surfaces, ensuring stable climbing without slipping, protecting undercarriage components, and reducing wear on parts.
　　4. Precision fit, reduced downtime: Precise dimensions prevent assembly binding and abnormal running noises; service life exceeds that of standard cast steel parts, decreasing the frequency of shutdowns for replacement.
　　 IV. Why Choose Us
　　• Specializing in wear‑resistant castings for demanding applications in mining, power generation, and other harsh operating environments. Take track shoes as an example: engineered specifically to withstand the heavy‑load travel and high‑impact crushing conditions of electric shovels, these components are integrally cast from ZGMn13 high‑manganese steel, delivering superior resistance to rock puncture and abrasion. A widened shoe surface paired with high‑profile lug teeth ensures excellent traction and enhanced stability during operation. Key pin holes and mating surfaces undergo precision CNC machining, enabling seamless interchangeability with identical‑model spare parts—eliminating the need for grinding or rework and reducing downtime risks at the source.
　　• We let the data speak, not empty promises of perfection: Casting processes are complex, so we don’t claim “zero defects,” but we do commit to “zero excuses.” Each batch of track links undergoes a comprehensive inspection process—including precise measurement of critical dimensions, hardness testing, and magnetic particle inspection—to ensure accurate pitch, correct bolt‑hole alignment, and precise tooth height. This rigorous quality control eliminates the risk of fractures caused by internal defects. Complete test reports are provided, demonstrating our accountability through data and action.
　　• Long-term partnerships—delivery is just the beginning: Our digital systems let you track production progress in real time, eliminating opaque operations; we respond instantly to quality concerns, never delaying; and each shipment includes a detailed test report for your quality records. We believe that a supplier’s attitude toward resolving issues truly reflects its value.
　　 V. Production and Quality Assurance
　　• Premium Raw Materials: Carefully selected high-quality, rust-free, oil-free scrap steel and punched billets ensure the purity of the track pad material at the source, laying the foundation for impact hardening of high-manganese steel.
　　• Ultimate density: Ceramic sand plus a large-diameter heating riser eliminates shrinkage porosity and cavities; the track shoe interior is densely compacted, enabling it to withstand heavy loads and impacts without cracking.
　　• Precision Melting: Melted in a Fuji electric furnace from Japan, with real-time compositional verification via spectrometer to precisely control carbon and manganese levels, ensuring work-hardening capability and impact toughness.
　　• Flawless casting: 850°C package baking plus bottom-pouring process eliminates sand-hole defects; the track shoe teeth and connection holes are smooth with no casting flaws.
　　• Strengthened metallography: Rapid quenching in 30 seconds produces a uniform austenitic microstructure, achieving “hard outside, tough inside” — the tooth surface is hardened to HB500 or higher, while the core retains high toughness, enabling it to withstand penetration and crushing by sharp rock edges without fracturing.
　　• Powerful shot blasting: removes surface sand while hardening the material, enhancing wear resistance of the track shoe teeth and tread.
　　• Rigorous quality inspection: Magnetic particle testing ensures precise pitch, alignment of connection holes, and accurate tooth height, thereby eliminating the risk of fracture caused by internal defects.
　　• Transparent delivery: Scan a code to track progress in real time, with full visibility from material input to shipment.
　　 VI. Frequently Asked Questions (FAQ)
　　Q1: What is the minimum order quantity for mining electric shovel track shoes?
　　Minimum order quantity is one piece. Bulk purchases qualify for discounted pricing.
　　Q2: What is the delivery time?
　　Custom orders based on provided drawings take 60–75 days. Rush orders can be expedited upon negotiation.
　　Q3: What packaging options are supported?
　　Fixed with steel brackets and protected by stretch film, or packaged in wooden crates, to meet the requirements of sea and land transportation.
　　Q4: Can the customer’s logo be printed on the packaging?
　　Yes, it is supported only to cast characters on the non‑working surface of the casting.
　　Q5: What payment methods are supported?
　　We accept T/T (telegraphic transfer) and L/C (letter of credit). For first-time collaborations, we recommend T/T; specific terms are negotiable. Other phased payment arrangements can also be discussed.
　　Q6: Can non-standard specifications be customized?
　　We support custom non-standard manufacturing based on customer-provided drawings and can provide personalized design and production according to specifications such as the customer’s electric shovel model, pitch, and mounting-hole dimensions.