Inconel 718 bar is a high-performance nickel-based superalloy tailored for the mining industry, boasting excellent wear resistance, corrosion resistance and high mechanical strength, which can stably serve in harsh mining environments and manufacture key components of mining equipment.
As a reliable core material for mining equipment, Inconel 718 bar features superior fatigue resistance and load-bearing capacity, effectively withstanding ore impact, high load and corrosive media, reducing equipment maintenance frequency and ensuring efficient mining operations.
| Item | Details |
|---|---|
| Core Selling Points | 1. Super strong wear resistance: Effectively resist wear caused by ore friction, gravel impact and long-term mechanical operation, reducing the replacement frequency of mining equipment components;
2. Excellent corrosion resistance: Resist corrosion of acidic mine water, ore leaching solution, underground humid environment and chemical reagents, avoiding material rust, deformation and damage; 3. High mechanical strength and fatigue resistance: Bear long-term high load, continuous vibration and alternating stress in mining operations, ensuring stable operation of equipment without failure; 4. Good high-temperature resistance: Adapt to high-temperature working conditions of mining equipment (such as crushing, smelting and ore processing), maintaining stable performance without attenuation; 5. High dimensional precision: Strictly control diameter, length and straightness tolerances, ensuring precise assembly of mining equipment components, avoiding assembly errors; 6. Good machinability and weldability: Easy to process into complex-shaped mining parts (such as drill bits, gear shafts), and the welding strength is consistent with the base material, ensuring component integrity; 7. Stable batch performance: Uniform chemical composition and mechanical properties, suitable for large-scale production of mining equipment, ensuring the consistency of components; 8. Strong impact resistance: Withstand sudden impact of ore and mechanical operation, avoiding component fracture and ensuring production safety. |
| Standards | 1. International Standards: ASTM B637 (Nickel-Chromium-Iron Alloy Bars for Mining), AMS 5662 (High-Temperature Alloy Bars for Heavy Industry), DIN 17752 (Nickel Alloy Bars for Mining Equipment);
2. Quality System Certification: ISO 9001, ISO 14001, ensuring compliance with global mining industry quality and environmental protection requirements; 3. Testing Standards: ASTM E8 (Tensile Testing), ASTM E23 (Impact Testing), ASTM E466 (Fatigue Testing), wear resistance testing and corrosion resistance testing, ensuring product performance meets mining industry requirements. |
| Material Grade | 1. Main Grade: Inconel 718 (Mining Grade);
2. International Designations: UNS N07718 (American Standard), W.Nr. 2.4668 (German Standard), EN 2.4668 (European Standard); 3. Equivalent Grades: GB GH4169 (Chinese Standard), JIS NW7718 (Japanese Standard), fully compatible with global mining equipment manufacturing standards. |
| Chemical Composition (Weight %) | 1. Nickel (Ni): 50.00 – 55.00;
2. Chromium (Cr): 17.00 – 21.00; 3. Iron (Fe): 14.00 – 18.00; 4. Molybdenum (Mo): 2.80 – 3.30; 5. Niobium (Nb): 4.75 – 5.50; 6. Titanium (Ti): 0.65 – 1.15; 7. Aluminum (Al): 0.20 – 0.80; 8. Carbon (C): ≤0.08; 9. Manganese (Mn): ≤0.35; 10. Silicon (Si): ≤0.35; 11. Phosphorus (P): ≤0.015; 12. Sulfur (S): ≤0.015; 13. Copper (Cu): ≤0.30. |
| Mechanical Properties (Mining-Grade Annealed State) | 1. Tensile Strength: ≥1240 MPa;
2. 0.2% Yield Strength: ≥860 MPa; 3. Elongation (δ5): ≥15%; 4. Reduction of Area (ψ): ≥30%; 5. Hardness (HB): 300 – 380; 6. Impact Toughness (Akv, Room Temperature): ≥60 J; 7. Wear Resistance: Excellent, wear loss ≤0.05mm/1000h under standard test conditions; 8. Fatigue Strength (10⁷ Cycles): ≥550 MPa; 9. High-Temperature Tensile Strength (650℃): ≥900 MPa, stable performance under high-temperature working conditions. |
| Dimensional Tolerance (Mining-Grade Precision) | 1. Diameter Tolerance: Precision Grade (≤50mm): ±0.015mm; Ordinary Grade (50-100mm): ±0.02mm, ensuring precise fit with mining equipment processing molds;
2. Length Tolerance: Fixed Length (1m-6m): ±0.2mm/m, maximum full-length tolerance ≤0.8mm; customizable length up to 12m, meeting different mining component processing needs; 3. Straightness: ≤0.15mm/m, full-length straightness error ≤0.4mm/6m, avoiding processing deformation caused by bending; 4. Roundness: ≤0.01mm (diameter ≤50mm); ≤0.015mm (diameter 50-100mm), ensuring uniform diameter and stable processing performance; 5. Surface Finish: Ra ≤0.8μm, no scratches, no oxide scale, no burrs, adapting to the harsh mining environment and avoiding wear acceleration. |
| Why the Mining Industry Uses This Material | 1. Harsh environment adaptability: Mining operations are accompanied by ore friction, gravel impact, underground humidity and acidic mine water corrosion, and Inconel 718 bar can resist these harsh conditions, far superior to ordinary steel and stainless steel;
2. High load and fatigue resistance: Mining equipment (such as crushers, conveyors, drill rigs) bears long-term high load and continuous vibration, and this material’s excellent mechanical properties can reduce component failure rate, ensuring continuous mining operations; 3. Wear and corrosion resistance: Reduce the replacement frequency of mining components, lower maintenance costs and improve mining efficiency; 4. Machinability and batch stability: Easy to process into various complex mining parts, and the batch performance is uniform, suitable for large-scale production of mining equipment manufacturers, ensuring production efficiency; 5. Cost-saving: The long service life of the product reduces the frequency of component replacement and maintenance, indirectly reducing the operation cost of mining enterprises; 6. Compliance with industry standards: Fully meets the strict quality and performance standards of the mining industry, ensuring the safety and stability of mining equipment operation. |
| Applicable Working Conditions in the Mining Industry | 1. Underground Mining: Underground drill bits, drill rods, conveyor components, crusher parts (working under humid, corrosive and high-load environments);
2. Open-Pit Mining: Crusher jaws, conveyor rollers, ore screening equipment components (withstanding ore impact and friction); 3. Ore Smelting: Smelting furnace accessories, high-temperature conveyor parts, ore processing equipment components (adapting to high-temperature and corrosive environments); 4. Mine Water Treatment: Water pump shafts, valve components, pipeline connectors (resisting acidic mine water corrosion); 5. Mineral Processing: Mineral processing equipment gears, shafts, screen mesh frames (wear resistance and corrosion resistance, ensuring stable operation); 6. Heavy-Duty Mining Equipment: Excavator bucket teeth, loader arms, hydraulic cylinder rods (high strength, impact resistance and wear resistance). |
| Corresponding User Needs in the Mining Industry | 1. High Durability Demand: Mining enterprises need components with long service life and low failure rate to avoid affecting mining progress, and this product’s wear resistance and corrosion resistance can meet the demand;
2. High Safety Demand: Mining equipment operates under harsh conditions, and the high strength and impact resistance of the product can ensure the safety of equipment operation and avoid safety accidents; 3. High Efficiency Demand: Reduce component replacement and maintenance time, ensure continuous mining operations, and improve mining efficiency; 4. Cost Control Demand: The long service life of the product reduces the frequency of component replacement and maintenance costs, reducing the overall operation cost of mining enterprises; 5. Precision Assembly Demand: Mining equipment components have strict assembly requirements, and the high dimensional precision of the product can meet the precise fit needs of parts; 6. Customization Demand: Mining equipment has various specifications, and the product supports customized processing according to drawings and technical requirements, meeting different equipment design needs. |
| Common Related Products in the Mining Industry | 1. Inconel 718 Mining Forgings: Used to manufacture large mining equipment components (crusher casings, excavator arms, conveyor rollers);
2. Inconel 718 Mining Welding Wire: Used for welding Inconel 718 bar components, ensuring welding strength and consistency with the base material, adapting to mining harsh environments; 3. Inconel 718 Mining Tube: Used for mine water pipelines, high-temperature smelting pipelines, ore conveying pipelines (corrosion resistance and wear resistance); 4. Inconel 718 Mining Sheet/Plate: Used for mining equipment casings, ore screening plates, crusher liners (wear resistance and impact resistance); 5. Inconel 718 Mining Fasteners: High-precision bolts, nuts and screws for mining equipment assembly (corrosion resistance, no loosening, ensuring stable operation); 6. Inconel 718 Precision Machined Mining Parts: Finished parts (drill bits, gear shafts, valve cores) directly processed from the bar, can be directly assembled and used. |
| Why Choose Us (Emily PIPE) | 1. Rich Experience: With over 20 years of production and export experience in nickel alloy and titanium alloy products, we have professional technology and mature production lines for mining industry alloy materials;
2. Strict Quality Control: We follow international standards throughout raw material selection, production, inspection, packaging and delivery, with a complete quality control system, ensuring each product meets mining industry requirements; 3. Customization Service: We support both standard and customized specifications according to your drawings, technical requirements and application environments, fully meeting your personalized needs; 4. Professional Strength: Equipped with an experienced R&D team, advanced production equipment and professional sales support, we can provide technical guidance and solutions for mining industry applications; 5. International Certifications: Our company holds multiple international certifications, helping you meet demanding project and procurement requirements in the global mining market; 6. One-Stop Service: We provide one-stop solutions from material selection, customized processing to final shipment, with reliable logistics services, ensuring timely delivery and worry-free after-sales. |
| Inquiry Guidance Words | 1. If you need Inconel 718 bar for mining equipment, please feel free to contact us, and we will provide you with detailed product parameters and quotation according to your specific requirements (such as size, quantity, customization needs);
2. For any questions about product performance, application scenarios, customization services or delivery time, please send us an inquiry, our professional sales team will reply to you within 12 hours; 3. Whether you need standard specifications or customized products according to drawings, Emily PIPE will provide you with high-quality Inconel 718 bar and professional one-stop solutions, looking forward to cooperating with you! |
| Supplementary Information (For Mining Equipment Manufacturers) | 1. Test Reports: Provide complete test reports, including material test report (MTR), mechanical performance test report, wear resistance test report and corrosion resistance test report, meeting mining project acceptance requirements;
2. Machining Guidance: Provide professional mining-grade machining parameters (cutting speed, feed rate, tool selection) to help you reduce processing difficulty and improve processing efficiency; 3. Material Traceability: Establish a full-process traceability system, from raw material procurement to finished product delivery, with complete records, which can be queried and verified, meeting the mining industry’s quality traceability requirements; 4. Packaging Protection: Adopt anti-corrosion, moisture-proof and anti-collision packaging, each bar is separated by a protective sleeve to avoid scratches and corrosion during transportation, ensuring product surface quality; 5. Delivery Guarantee: Short delivery cycle, support urgent mining orders, ensure the production progress of your mining equipment; 6. After-Sales Service: Provide professional after-sales technical support, solve problems encountered in processing, welding and assembly, and ensure smooth use of products. |