Customized Stainless Steel Parts For The Lifting Arm Pin Of The Excavator Lifting Mechanism

Product Overview: Custom Stainless Steel Lifting Arm Pins for Excavators

These are specialized, custom-manufactured pins that serve as the critical pivot point in an excavator's lifting mechanism. We produce these components to exact customer specifications, using premium stainless steel to deliver a combination of key benefits:

• Corrosion & Rust Resistance: Ideal for operation in wet, humid, or chemically aggressive environments, outperforming standard carbon steel pins.

• High Wear Resistance: Withstands the constant friction and heavy loads within the arm linkage, minimizing deformation and elongation.

• Exceptional Strength & Toughness: Engineered to handle high shear and bending stresses without failure, ensuring operational safety.

• Reduced Maintenance & Downtime: The inherent properties of stainless steel lead to a longer service life and less frequent replacement.

Technical Parameters: Custom Stainless Steel Excavator Lifting Arm Pins

FAQ

Q1: Why should I choose stainless steel over standard carbon steel pins?
Stainless steel pins offer superior corrosion and rust resistance, which is critical in wet, muddy, or chemically exposed environments. This inherent property significantly reduces maintenance, eliminates the need for frequent coatings, and extends the service life of the pin and the entire linkage by preventing rust-induced seizing and accelerated wear.

Q2: Are these pins strong enough for heavy-duty excavator applications?
Absolutely. We use high-strength stainless steel grades like 420 and 17-4PH, which can be heat-treated to achieve tensile strengths exceeding 1000 MPa. These grades offer excellent shear strength, impact resistance, and wear resistance, making them more than capable of handling the demanding loads and stresses of excavator lifting mechanisms.

Q3: What level of customization do you offer?
We provide full customization to meet your exact requirements, including:

• Dimensions: Diameter, length, and wall thickness.

• Geometry: Threading (internal/external), grooves, oil holes, flanges, and special profiles.

• Material & Hardness: Selection of the optimal stainless steel grade and heat treatment process to achieve your desired mechanical properties.

• We work directly from your technical drawings or sample parts.

Q4: How do I place an order and what information do you need?
To provide an accurate quote and manufacture the perfect pin, we typically require:

1. Technical Drawings: With detailed dimensions, tolerances, and geometric specifications.

2. Material Specification: Preferred stainless steel grade (e.g., 304, 316, 420, 17-4PH).

3. Hardness & Mechanical Requirements: Desired surface hardness (HRC) and key strength metrics.

4. Surface Finish: Required surface roughness and any special finishes like passivation.

5. Quantity: Estimated annual usage or order quantity.

Q5: What is your typical lead time for production?
Lead time depends on the order quantity and complexity. For standard custom orders, lead times typically range from 4 to 6 weeks. Prototype or small-batch orders can often be expedited. We will always provide a clear timeline upon order confirmation.

Q6: How does the hardness of stainless steel pins compare to standard pins?
Through precise heat treatment, we can achieve a surface hardness of 35-55 HRC (and higher for certain grades), which is comparable to or even exceeds that of hardened carbon steel pins. This ensures excellent resistance to abrasion and deformation under heavy load.

Q7: Do you provide any certifications for your materials and processes?
Yes. We can provide Material Certifications (e.g., 3.1 Mill Certificates) and Heat Treatment Certificates upon request, ensuring full traceability and compliance with international standards like ASTM.

Q8: What are the main advantages of using your customized pins?
The key advantages include:

• Longer Service Life: Reduced wear and corrosion mean less frequent replacements.

• Reduced Downtime: Enhanced reliability minimizes unexpected failures.

• Lower Total Cost of Ownership: Less maintenance, fewer replacements, and better performance over time.

• Perfect Fit & Performance: Custom manufacturing ensures optimal integration with your specific machinery.

Qingdao Sande Technology Co., Ltd. is located in Qingdao. We are specialized in manufacturing forging, CNC machining and various surface treatments. We have over 16 years of experience.
We have a professional and experienced team of engineers, advanced production and testing equipment, a powerful quality control system, and professional customer service... We will offer professional services, high-quality products and favorable prices. We sincerely welcome domestic and foreign customers to cooperate with us!