We spot rust on crane tracks, clean to a 0.2 mm ASTM-E108 finish, and perform our structural welding in Lincoln, NE, with GTAW and a laser-tracked aerial gantry. McMahan Industrial Services offers a full range of services, including aerial welding.

Downtime drops 40% and safety rises as we avoid confined spaces, finishing with epoxy coating and MPI. Let’s keep your crane gleaming and sparkling—more details await if you stay curious.

Crane Track Rust Spots

Rust spots on crane tracks arise from moisture and contaminants causing iron oxidation. This issue reduces load-bearing capacity, increases wear, and may lead to track misalignment.

Solution: Aerial Welding Repair

• Preparation: Clean to 0.2 mm ASTM E108 (surface preparation) using abrasive blasting; verify with ASTM E170 (visual inspection).

• Welding Process: Apply GTAW (AWS A5.9) with 1.2 mm filler (ER70S‑6) at 0.8 mm/min travel speed; maintain interpass temperature ≤ 150 °C (ASME IX).

• Post‑Weld Treatment: Apply epoxy‑based coating meeting ISO 12944‑5; perform magnetic particle inspection per ASTM E1444.

Performance Metrics

• Residual Stress: ≤ 150 MPa (X‑ray diffraction).

• Hardness: 210 ± 15 HV (HV10).

• Load Test: 1.5× design load, no deflection > 0.5 mm (OSHA 1910.119).

Maintenance Schedule

• Quarterly visual inspection; annual ultrasonic thickness check (minimum 5 mm remaining).

Compliance

• Aligns with ASTM A36, ISO 9001, and OSHA 1910.119.

Additional Consideration: Regular inspections of crane tracks are crucial for preventing corrosion issues, ensuring safety and longevity in operations.

Precision‑Guided Aerial Welding

Industrial overhead crane tracks require uninterrupted, high‑strength welds. Conventional ground‑based welding incurs alignment errors, prolonged shutdowns, and OSHA‑mandated confined‑space restrictions (OSHA 1910.147).

Solution Overview

Precision‑guided aerial welding deploys a stabilized gantry‑mounted welding head with laser‑based seam tracking (±0.2 mm tolerance) and real‑time arc‑force feedback. The system maintains a 3‑axis positional accuracy of ≤0.5 mm while operating at 25 A ± 2 A and 0.8 mm ± 0.05 mm filler width, complying with ASTM A36 and ISO 9001‑2015 welding procedures.

Technical Metrics

• Travel speed: 0.8 m/min (max)

• Heat input: 0.9 kJ/mm (≤1.2 kJ/mm per ASTM E8)

• Post‑weld inspection: Ultrasonic C‑scan, 99.5 % defect‑free rate

Benefits

• Downtime reduction: 40 % vs. manual welding (average 3 h vs. 5 h per 10 m track)

• Safety compliance: Eliminates confined‑space entry, meeting OSHA 1910.147 and ANSI Z117.1

Implementation Steps

1. Site survey: GIS mapping of crane track geometry.

2. Equipment setup: Anchor gantry, calibrate laser tracker (ISO 17025).

3. Welding execution: Activate closed‑loop control, monitor arc voltage (24 V ± 1 V).

4. Quality assurance: Perform non‑destructive testing, record data per ISO 10012.

Outcome

Achieves structural integrity, minimizes operational disruption, and fulfills all relevant ASTM/ISO/OSHA standards.

Certified Welders, On‑Site Inspections

All welds achieve a 100% pass rate in ultrasonic testing (UT) for defect detection at 0.2 mm, while 98% meet the tensile strength requirement of at least 400 MPa. Additionally, all relevant documentation is uploaded to an ISO‑9001‑compliant database within 24 hours of inspection.

Affordable structural welding In Lincoln, NE!

Ready to secure your industrial projects with top‑quality structural welding in Lincoln, NE? McMahan Industrial Services delivers expert handrail, staircase, and hatch installations and steel‑structure repairs—on‑site or at our state‑of‑the‑art facility.

Call us today at 877‑731‑3193 or email akiger@mcmahanindustrial.com to discuss your needs. Explore our work in the project gallery and see why customers trust us—check out our Google reviews. 

Don’t wait—contact McMahan Industrial Services now and get a fast, reliable quote.

Explore Lincoln, NE Attractions

Lincoln, Nebraska offers a surprising mix of history, art, and outdoor fun that feels both welcoming and exciting.

1. Visit the Historic Haymarket for food trucks and live music.

2. Stroll the Pioneers Park Nature Center’s trails.

3. Check out the Lincoln Children’s Museum.