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Cal Trade Welding School

School type: Private Trade School

Cal-Trade Welding School of Modesto is a private vocational school approved by California's Bureau for Private Postsecondary Education. Its 2026 catalog lists five career-focused offerings: Structural Welding, Combination Welding, MIG/TIG Specialty, Pipeline Welding, and Welding Inspector Preparation. Training is delivered at the Modesto shop through classroom instruction, demonstrations, and substantial hands-on practice. Depending on the course, students work with Stick, MIG, TIG, and Flux-Core processes, structural steel, plate and pipe positions, certification testing, blueprint reading, safety, and inspection principles.

School-wide Programs

This is the school-wide program catalog. Confirmed locations are listed for each program; programs are not necessarily offered at every campus.

Descriptions, credentials, costs, and schedules are school-level program listings. Confirm current campus schedules, costs, and included fees with the school. Duration is shown in its listed units; credits and training hours are not calendar completion times.

Combination Welding Course

  • Credential: Certificate of Completion
  • Program cost: $13,995
  • Processes: MIG, TIG, Stick, Flux-Core, Pipe, Structural, Performance
  • Program Length: 540 hours
  • AWS Prep: Available

Price basis, residency, included fees, source and verification date are not recorded.

Schedule: 18 weeks; 30 hours per week, Monday-Friday, 8:00 a.m.-2:30 p.m.; continuous enrollment

This 540-hour course combines structural and pipe-welding instruction. Students receive safety and theory instruction, then practice Stick, Flux-Core,… Read full description for Combination Welding Course

This 540-hour course combines structural and pipe-welding instruction. Students receive safety and theory instruction, then practice Stick, Flux-Core, MIG, and TIG welding in multiple plate and pipe positions. Training includes oxyfuel cutting, blueprint and symbol interpretation, structural steel and pipe preparation, destructive testing, and preparation for AWS D1.1 performance certification. The catalog lists 18 weeks of full-time study.

Confirmed at

Cal-Trade Welding School of Modesto — Modesto, CA
Availability sources

Structural Welding Course

  • Credential: Certificate of Completion
  • Program cost: $8,395
  • Processes: Stick, Flux-Core, Structural, Performance
  • Program Length: 270 hours
  • AWS Prep: Available

Price basis, residency, included fees, source and verification date are not recorded.

Schedule: 9 weeks; 30 hours per week, Monday-Friday, 8:00 a.m.-2:30 p.m.; continuous enrollment

This 270-hour course prepares entry-level structural welders through classroom and shop instruction. Students study safety, welding theory, symbols,… Read full description for Structural Welding Course

This 270-hour course prepares entry-level structural welders through classroom and shop instruction. Students study safety, welding theory, symbols, blueprint reading, oxyfuel cutting, and material preparation, then practice Stick and Flux-Core welding in structural positions. The program works toward AWS D1.1 structural performance certification.

Confirmed at

Cal-Trade Welding School of Modesto — Modesto, CA
Availability sources

MIG/TIG Specialty Course

  • Credential: Certificate of Completion
  • Program cost: $9,995
  • Processes: MIG, TIG, Stick, Flux-Core, Pipe, Structural, Performance
  • Program Length: 300 hours
  • AWS Prep: Available

Price basis, residency, included fees, source and verification date are not recorded.

Schedule: 10 weeks; 30 hours per week, Monday-Friday, 8:00 a.m.-2:30 p.m.; continuous enrollment

This 300-hour specialty course focuses on MIG and TIG welding while also introducing Flux-Core and Stick applications. Students learn welding safety… Read full description for MIG/TIG Specialty Course

This 300-hour specialty course focuses on MIG and TIG welding while also introducing Flux-Core and Stick applications. Students learn welding safety and theory, equipment setup, materials, cutting, symbols and blueprints, and then perform plate and pipe exercises in multiple positions. The course prepares students to work toward AWS or ASME certifications appropriate to their selected process.

Confirmed at

Cal-Trade Welding School of Modesto — Modesto, CA
Availability sources

Pipeline Welding Course

  • Credential: Certificate of Completion
  • Program cost: $11,495
  • Processes: TIG, Stick, Pipe, Performance
  • Program Length: 300 hours
  • AWS Prep: Not listed

Price basis, residency, included fees, source and verification date are not recorded.

Schedule: 10 weeks; 30 hours per week, Monday-Friday, 8:00 a.m.-2:30 p.m.; continuous enrollment

This 300-hour course develops entry-level pipeline welding skills through safety and theory instruction plus intensive pipe-shop practice. Students… Read full description for Pipeline Welding Course

This 300-hour course develops entry-level pipeline welding skills through safety and theory instruction plus intensive pipe-shop practice. Students learn pipe cutting, beveling, preparation and fit-up, then perform Stick and TIG welding on pipe in positions used for ASME and API qualification work. The curriculum includes blueprint and symbol interpretation, testing, and job-readiness topics.

Confirmed at

Cal-Trade Welding School of Modesto — Modesto, CA
Availability sources

Welding Inspector Preparation Course

  • Credential: Certificate of Completion
  • Program cost: $9,550
  • Processes: Performance
  • Program Length: 300 hours
  • AWS Prep: Available

Price basis, residency, included fees, source and verification date are not recorded.

Schedule: 10 weeks; 30 hours per week, Monday-Friday, 8:00 a.m.-2:30 p.m.; continuous enrollment

This 300-hour advanced course prepares experienced welding personnel for inspection work. Students study welding processes, symbols, procedures,… Read full description for Welding Inspector Preparation Course

This 300-hour advanced course prepares experienced welding personnel for inspection work. Students study welding processes, symbols, procedures, codes, metallurgy, discontinuities, destructive and nondestructive testing, visual inspection, documentation, and inspector responsibilities. Admission requires a high school diploma or equivalent and at least five years of welding-industry experience. The course is designed as preparation for welding-inspector certification examinations.

Confirmed at

Cal-Trade Welding School of Modesto — Modesto, CA
Availability sources

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