Welding Invoice Template (Free)

Essential line items on a welding invoice

A professional welding and metal fabrication invoice establishes clear material costs, labor hourly rates, welding process specifications (SMAW/GMAW/GTAW), AWS certifications, and mobile rig mobilization fees:

• Welding Contractor & Shop Header: Business name, logo, physical shop or mobile rig address, phone, email, state contractor/welder license number, AWS (American Welding Society) certification credentials (D1.1 Structural Steel / D1.2 Aluminum), and commercial general liability insurance details ($1M+ policy).
• Customer & Job Location Details: Client name, shop job vs. mobile field site address, job description, and completion date.
• Raw Material Stock & Consumables: Structural steel tubing, angle iron, C-channel, I-beams, aluminum plate, stainless steel sheet, filler wire/rods (7018, 6010, ER70S-6, 4043 aluminum), and shielding gas (Argon/CO2 blends).
• Labor Hours & Welding Process: Hourly rate for shop fabrication or mobile rig welding, noting process used (Stick/SMAW, MIG/GMAW, TIG/GTAW, Flux-Cored/FCAW).
• Mobile Rig Mobilization Fee: Flat service call or mileage fee covering generator fuel, welding cables, torch tanks, and rig transit time.
• Non-Destructive Testing (NDT) & Special Inspections: Dye penetrant testing (PT), magnetic particle testing (MT), or 3rd-party CWI (Certified Welding Inspector) weld inspection.
• Payment Terms & Field Receipt: Due-upon-completion terms (Net 0) or Net 30 commercial terms.

Free Welding Text Template

Copy and paste the template below to build professional metal fabrication and mobile welding invoices:

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               MOBILE WELDING & FABRICATION INVOICE
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CONTRACTOR INFO:                           INVOICE & CERTIFICATION DETAILS:
[Your Welding Business Name]              Invoice Number: WELD-2026-0718
[AWS Certification D1.1 #]                 Service Date: August 3, 2026
[Phone & Billing Email Address]            Payment Terms: Due Upon Completion (Net 0)

CLIENT & JOB SITE LOCATION:                PROJECT SPECIFICATIONS:
Client Name: [Customer / General Contractor] Scope: Heavy Equipment Bucket Repair
Site Location: [456 Industrial Parkway]    Process: Shielded Metal Arc (Stick 7018)

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LINE ITEM DESCRIPTION & MATERIAL SPECIFICATIONS                AMOUNT
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1. Mobile Welding Rig Mobilization & Site Setup Fee             $175.00
2. Excavator Bucket Crack Air-Carbon Arc Gouging & Grinding    $150.00
3. Structural Steel Wear Plate Material (1/2" AR400 Steel)     $340.00
4. Mobile Welder Labor (4.5 Hours @ $125.00/hr)                 $562.50
   - Process: 7018 High-Tensile Stick Welding (3 Pass Welds)
5. Welding Consumables & Shielding Gas (Rods, Grinding Discs)   $75.00
6. Dye Penetrant Weld Crack Inspection (PT Testing)            $95.00
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SUBTOTAL SERVICE CHARGES:                                      $1,397.50
State & Local Material Sales Tax:                              $27.20
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TOTAL AMOUNT DUE & PAYABLE:                                    $1,424.70
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PAYMENT TERMS & WARRANTY NOTICE:
Payment due upon job completion before rig departs site.
Accepted Payment Methods: Credit/Debit Card (Mobile Terminal), ACH Transfer, Check.
1-Year Weld Integrity Warranty on Structural Work.
================================================================================

Mobile welding rates: Shop rates vs. mobile rig hourly billing

Welding pricing depends on whether work is performed inside a shop or using a heavy-duty mobile welding truck:

• Shop Fabrication Labor Rates ($75–$110 per hour): Standard shop fabrication (bench TIG/MIG welding, bracket cutting, plasma table burning, and assembly).
• Mobile Welding Rig Hourly Rates ($95–$165 per hour): Mobile rigs carry heavy diesel engine-driven welders (Lincoln Vantage / Miller Bobcat), oxy-acetylene torch sets, air plasma cutters, and heavy leads. Charging $125+/hr reflects high rig overhead.
• Mobile Rig Mobilization Fee ($125–$250 flat): Always bill a dedicated mobilization fee to cover rig transit, diesel fuel, and setup time before striking an arc.

Itemizing raw steel stock, filler metals, and consumables

Raw materials and consumables should be itemized with standard trade markups:

1. Steel & Aluminum Material Markup (20%–35% Markup): Purchase raw structural steel (A36, AR400 wear plate, 6061-T6 aluminum) from steel service centers and apply a 25% markup to cover sourcing, cutting, and handling.
2. Consumables Surcharges ($45–$95 per job): Welding generates significant hidden costs in grinding wheels, flap discs, tungsten electrodes, 7018 welding rods, E71T-1 flux-cored wire, and argon gas tanks. Itemizing a consumable fee protects your margins.
3. Sub-Surface Weld Prep & Gouging: Heavy equipment repair (bucket teeth, trailer frames) requires gouging out old cracked welds with carbon arc torches or heavy grinders before laying fresh beads.

On-site payment collection before coiling welding leads

• Field Inspection Walkthrough: Inspect structural welds with the site superintendent or customer using a wire brush or weld gauge before packing up your rig.
• Driveway Card Payment: Process card payments, ACH transfers, or checks on your phone or tablet before wrapping up leads and securing gas cylinders.

If you handle truck or trailer repairs, check out our guide on mobile diesel repair hourly rates or review our guide on mobile welding business invoicing app.