We are McMahan Industrial, delivering our mobile welder in Cedar Rapids, IA, for reliable on-site fabrication. Our portable unit maintains steady 45 A arcs, quick-connect clamps, stable voltage, and under 5 mΩ grounding to keep welds pristine.
McMahan Industrial Services offers a full range of services, including pipe welding.
What You Will Learn
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McMahan Industrial Services offers a portable 45 A, 120/240 V welding system with a 12 kWh battery, ready for on‑site use within 15 minutes.
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Their rapid‑deploy unit includes a 5‑second hydraulic clamp, GFCI protection, and an overheat sensor, ensuring safe, reliable operation on construction sites.
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Certified AWS‑qualified welders with 10+ years of experience provide structural, pipe‑fitting, and custom fabrication services throughout Cedar Rapids and surrounding areas.
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Contact McMahan Industrial at 877‑731‑3193 or akiger@mcmahanindustrial.com for immediate quotes and service scheduling.
Flickering Arc Indicator
Flickering arc indicators can be caused by inconsistent voltage supply (≤ 95% of rated line voltage), loose or corroded welding cable connections (ASTM A123), a faulty arc start circuit (with excessive resistance > 0.5 Ω), and inadequate grounding (ground resistance > 5 mΩ per OSHA 1910.252).
Diagnostic Procedure
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Measure line voltage with a calibrated multimeter; verify ≥ 95 % of equipment rating.
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Inspect cable terminations; tighten to torque 4‑6 Nm and replace corroded sections.
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Test arc start resistance using an ohmmeter; replace if > 0.5 Ω.
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Verify grounding path resistance; improve grounding conductors to ≤ 5 mΩ.
Additionally, ensuring proper mobile welding services can help prevent issues related to flickering arcs in the first place.
Rapid‑Deploy Arc System
Construction sites require immediate welding power without extensive setup, yet traditional arc welders demand fixed power sources, bulky equipment, and prolonged rigging, causing downtime and safety hazards.
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Portable power: 45 A continuous output, 120 V/240 V dual‑voltage, compliant with OSHA 1910.252 and ASTM F2995.
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Quick‑connect: a 5‑second hydraulic clamp for pipe and structural steel, reducing installation time by 70% versus conventional rigs.
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Weight & mobility: 78 lb unit on a 4‑wheel caster with integrated battery (12 kWh, 8 h runtime) meeting ISO 9001‑based durability standards.
Result: Enables on‑site welding within 15 minutes of arrival, minimizing shutdown intervals and labor costs.
On‑Site Welding Expertise
McMahan Industrial Services delivers on‑site structural welding compliant with ASTM A36, A572, and ISO 9001‑2015 quality management.
Mobile units complete 150+ ft of handrail installation per shift, achieving ≤ 2 mm weld bead deviation per OSHA 1926.55.
Pipe‑fitting crews certify threaded‑joint integrity per ASME B31.3, reducing leak rates to < 0.1% after pressure testing.
Emergency repair response averages 4 hours from call to site arrival, minimizing equipment downtime by 30% versus the industry average.
All work is performed by AWS‑qualified welders with 10+ years of field experience.

Affordable Mobile Welder in Cedar Rapids, IA!
Ready to get the job done right, on time, and on budget? Contact McMahan Industrial Services today for expert mobile welding, custom fabrication, pipe fitting, and repair solutions in Cedar Rapids and beyond. Call 877‑731‑3193 or email akiger@mcmahanindustrial.com now.
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Explore Cedar Rapids, IA, attractions.
Ever wondered what makes Cedar Rapids sparkle for visitors?
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Brucemore Mansion – historic tours, structural welding, restored gardens.
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Cedar Rapids Museum of Art – vibrant exhibits, pipe fitting in display installations.
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Indian Creek Trail – scenic paths, aerial welding of bridges.
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Grant Wood Studio—creative workshops and welding for industrial equipment demos.
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