AHT - Mobile Welding & Fabrication

• Structural Repair • Equipment Repair • Field Fabrication

Professional field service solutions backed by organized communication, rapid response, and dependable execution across Northern California.

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    • SMAW (Shielded Metal Arc Welding)

    • FCAW (Flux-Cored Arc Welding)

    • GMAW (Gas Metal Arc Welding)

    • Carbon arc gouging and joint preparation

    • Structural plate reinforcement and multi-pass execution

    All processes are selected based on material type, thickness, and structural demand.

    • Carbon steel structural components

    • High-load industrial steel assemblies

    • Multi-pass welding on 1”+

    • Crack excavation and full-penetration repair

    • Reinforcement plating and structural rebuilds

    • Self-contained mobile welding units

    • On-board generator power

    • Field-ready cutting and preparation equipment

    • Portable fabrication and fit-up capability

    • Rapid mobilization throughout Northern California

    • Licensed & insured

    • Northern California & local operations

    • On-site repair to reduce transport downtime

    • Coordination with direct clients, site supervisors, and operations teams

Capabilities & Field Readiness

  • Structural Crack Remediation & Reinforcement

    Structural crack repair, full-penetration welding, and reinforcement plating for high-stress steel components. Repairs are performed with load distribution, fatigue mitigation, and long-term durability in mind to protect integrity.

  • Heavy Equipment Structural Repair

    Professional field repair for load-bearing components and structural assemblies. Services are focused strictly on restoring structural performance and operational reliability—not cosmetic refurbishment.

  • Component Replacement & Section Rebuilds

    Removal and replacement of compromised steel sections directly in the field. Includes cutting, fit-up, fabrication of reinforcement segments, and structural rebuilds without requiring off-site transport whenever feasible.

  • Structural Modifications & Reinforcement Upgrades

    Structural modifications and reinforcement upgrades designed to increase durability, strength, and service life. Work is executed in alignment with operational demands and project specifications.

  • SELECT In-House Projects

    Certain projects require more than field repair—including mass material, precision layout, and controlled fabrication in a dedicated space. We focus on high-value fabrication that demands accuracy, strength, and professional execution—not general handyman metalwork. Inquire for info.

  • “Professional crew. Worked safely and cleaned up after themselves. Straightforward process.”

    — Project Manager

  • “High-quality structural repair with attention to detail. You can tell they take integrity and long-term performance seriously.”

    — Maintenance Supervisor

  • “Clear communication, fair expectations, and the repair has held up well. We’d call them again.”

    — Site Superintendent

  • “They came out, looked at the cracks, and handled it without overcomplicating things. Solid work and easy to deal with.”

    — Equipment Manager, Industrial Services

  • “Professional field welding done correctly the first time. We will be using AHT again for future structural repairs.”

    — Project Coordinator, Heavy Civil

Frequently Asked Questions

  • Yes. AHT – Mobile Welding & Fabrication operates as a licensed and insured field service provider.

  • Certain structural modifications or major rebuilds may require review or approval depending on site requirements or equipment specifications. We communicate with clients to ensure compliance when engineering documentation is necessary.

  • No. AHT—Mobile Welding & Fabrication is a field-based operation specializing in on-site structural repair and reinforcement. However, we are now accepting select projects; inquire for more information.

  • We service the majority of Northern California. Our service range is coordinated at the time of scheduling to ensure timely mobilization. Review our “about” page for an image and list of all counties we service.

  • For larger or scheduled projects, a deposit may be required prior to mobilization and material procurement. Deposit requirements are outlined clearly in the proposal and service agreement to ensure transparency and project readiness.

  • Response time depends on current workload and project complexity. We prioritize critical structural failures and make every effort to mobilize promptly when operational downtime is involved. Priority response scheduling is available.

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