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High-Strength Agricultural Farming Parts for Tillage & Harvesters
Discover premium agricultural farming parts crafted from AISI 4140 alloy steel. Featuring 5-axis CNC machining, HRC 30-35 hardness, and 500+ hrs salt spray resistance. Ideal for tillage, harvesters, and tractors. Custom OEM branding available with full CAD/FEA traceability.
Colour: Original / Black
Materials: High quality alloy steel
Production processes: Precision casting process
Precision CNC machining
Heat Treatment: Normalizing, Annealing, Quenching, Tempering
Surface Finish: Shot Blasting, Polishing, Baking Varnish
Certificates: IATF16949
Transport Package: Wooden Case
Delivery Time: 15-20 Days
1. Product Introduction
Our Agricultural Farming Parts are precision-engineered to serve as the backbone of modern farming operations. Manufactured from premium AISI 4140 equivalent alloy steel, these components bridge the gap between exceptional durability and operational flexibility. Whether deployed in deep tillage, high-speed harvesting, or heavy-lifting tractor attachments, these parts are designed to reduce downtime and extend service intervals in the harshest environments.
Utilizing a sophisticated synergy of investment casting and 5-axis CNC machining, we achieve intricate geometries with micron-level accuracy. This ensures that every pin, bracket, blade, and linkage fits flawlessly with your existing OEM machinery, eliminating the need for modifications. Our proprietary heat treatment protocol guarantees a balanced hardness of HRC 30-35, delivering the wear resistance needed for abrasive soils and the impact toughness required for rocky terrains.
With certifications under IATF 16949, these parts are not just replacements; they are upgrades. They are backed by full material traceability, ensuring that you receive components that meet the most rigorous global quality standards for agricultural and automotive equipment.
2. Key Features & Advantages
- Superior Metallurgy: Crafted from AISI 4140 steel for high tensile strength (850-1000 MPa) and yield strength (≥650 MPa).
- Optimized Hardness: HRC 30-35 achieves the “sweet spot” for wear resistance and impact toughness, preventing brittle fractures.
- High Fatigue Life: Engineered to exceed 1 million cycles at 75% working load limit, perfect for continuous PTO-driven operations.
- Corrosion Resistance: Withstands harsh fertilizers and moisture; optional coatings offer 500+ hours of salt spray resistance.
- Precision Fit: Maintains critical dimensions within ±0.05mm accuracy, ensuring seamless integration with hydraulic systems and linkage points.
- Flexibility Under Load: 12-15% elongation allows the part to flex under dynamic shock loads rather than snapping.
- Thermal Stability: Reliable performance across extreme temperature ranges (-40°C to 120°C).
3. Technical Specifications & Parameters
| Parameter | Specification |
| Product Name | Custom Agricultural Farming Parts AISI 4140 Steel for Tillage & Harvesters |
| Material | AISI 4140 Equivalent Alloy Steel |
| Manufacturing Process | Investment Casting + 5-Axis CNC Machining |
| Casting Tolerance | ±0.3mm (Complex Geometries) |
| Machining Tolerance | ±0.05mm (Critical Dimensions) |
| Hardness | HRC 30-35 |
| Tensile Strength | 850 – 1000 MPa |
| Yield Strength (Min) | ≥650 MPa |
| Elongation | 12% – 15% |
| Fatigue Life | 1,000,000+ Cycles @ 75% Working Load |
| Operating Temp | -40°C to 120°C (-40°F to 248°F) |
| Salt Spray Resistance | 500+ Hours (With Coating) |
| Certification | IATF 16949 |
4. Manufacturing & Quality Control Process
| Investment Casting: | We begin with precision investment casting to create near-net-shape forms. This allows for complex internal geometries and reduces material waste, maintaining a casting tolerance of ±0.3mm. |
| Precision Machining: | Utilizing 5-axis CNC machining centers, we finish the part to exacting standards, holding critical fitment dimensions to ±0.05mm for flawless assembly. |
| Heat Treatment (The “4-Step” Protocol): | Normalizing (900-925°C): Refines the grain structure for uniformity. Annealing: Relieves internal stresses from casting. Oil Quenching (850°C): Hardens the material core. Tempering (540-660°C): Removes brittleness while retaining high strength. |
| Surface Finishing: | Options include Original Forged Finish, SAE J444 Shot Blasting (for paint adhesion), Precision Polishing (Ra 1.6μm for wear surfaces), or Corrosion-resistant Baking Varnish. |
| Quality Assurance: | Every batch undergoes non-destructive testing and dimensional verification. We provide CAD/FEA reports and full material traceability with every shipment. |
5. Applications
Our agricultural farming parts are specifically designed for high-stress environments within:
| Tillage Systems: | Sweeps, subsoiler points, chisel plow shanks, and disc blades. |
| Harvesting Machinery: | Combine auger sections, pickup tines, and cutterhead components. |
| Tractor Attachments: | Bucket pins, implement hitch links, and PTO yokes. |
| Material Handling: | Loader bucket cutting edges and grapple tines. |
6. Supporting Accessories & Kits (OEM Supply)
To streamline your procurement, we offer comprehensive (Supporting Parts) options:
| Mounting Hardware: | High-grade bolts, lock nuts, and washers (Grade 10.9 equivalent) included per request. |
| Wear Kits: | Additional sacrificial wear plates and reversible cutting edges to extend lifespan by 40%. |
| Sealing Solutions: | Viton or NBR o-rings and dust seals for pivot points to prevent contamination. |
| Branding: | We offer OEM-specific laser engraving and custom packaging (neutral or private label). |
7. Bulk Procurement – What to Look Out For
When purchasing these agricultural farming parts in bulk (MOQ: 500+ units), please consider the following:
- Material Traceability: Always request the Mill Test Reports (MTRs). We guarantee AISI 4140 compliance; ensure your supplier does the same.
- Heat Treatment Uniformity: Ensure the supplier provides “batch consistency” data. Variations in tempering can lead to inconsistent wear on the field.
- Coating Thickness: For corrosion-resistant coatings, specify the required microns to guarantee the 500-hour salt spray benchmark.
- Packaging: For sea freight, we recommend “VCI (Vapor Corrosion Inhibitor)” paper wrapping + wooden crates to prevent rusting during transit.
- Custom Tolerances: Inform us if you have specific fitting requirements (e.g., press-fit vs. slip-fit) before machining begins.
8. Industry & Buyer FAQs
Q1: What makes AISI 4140 better than standard carbon steel for agricultural farming parts?
A: AISI 4140 contains Chromium and Molybdenum, which significantly improve hardenability and resistance to fatigue. While carbon steel may wear out or break under shock loads, 4140 provides the “flexibility” (elongation of 12-15%) to absorb impact without cracking, making it safer and more cost-effective long-term.
Q2: What is the standard lead time for a custom OEM order?
A: For custom dimensions and branding, the typical lead time is 15-30 working days (including casting and CNC machining). For standard stock items, we ship within 7-10 working days.
Q3: Do these parts fit major brands tractors/equipment?
A: Yes. Our ±0.05mm machining tolerance ensures compatibility with all major brands. We recommend sending us your OEM part number or a 3D drawing (STEP/IGES) for us to verify exact cross-referencing.
Q4: How do you ensure the parts don’t rust if I store them outdoors?
A: We recommend the “Baking Varnish” coating option, which provides chemical resistance against fertilizer salts. For outdoor storage, we also apply a heavy-duty anti-rust oil dipping treatment prior to packaging.
Q5: Can you provide a sample before I place a bulk order?
A: Absolutely. We offer sample approval services. We can produce a pilot batch (usually 1-5 pieces) to test fitment and performance in your specific application before full-scale production commences.
Q6: What documentation do you provide with the shipment?
A: We provide full documentation including: Commercial Invoice, Packing List, Bill of Lading, Material Test Certificates, Heat Treatment Charts, and Inspection Reports (CMM/FAI).
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