Welding
15 courses · Mt. San Antonio College · 2026-2027 Catalog
Classes: Fall 2026 · Winter 2027
WELD 30 Metal Sculpture
- Units
- 2
- Hours
- Lecture: 18, Lab: 54
- Transfers to
- CSU
Welding processes used in the metal sculpting industry to create three-dimensional art forms. Covers design, pre-construction analysis, and cost estimates for projects. Includes use of equipment for oxyfuel welding, gas metal arc welding (GMAW), gas tungsten arc welding (GTAW), shielded metal arc welding (SMAW), and flux-cored arc welding (FCAW). Includes demonstrations and exercises in welding as it relates to the art industry.
WELD 40 Introduction to Welding
- Units
- 2
- Hours
- Lecture: 18, Lab: 54
- Transfers to
- CSU
Fundamentals of welding processes related to the areas of fabrication, construction, machine tool, aerospace, and the transportation industries.
WELD 50 Oxyacetylene Welding
- Units
- 2
- Hours
- Lecture: 18, Lab: 54
Oxyacetylene fusion welding (OAW), non-fusion welding and cutting, brazing and brazed welding (OFB), gas tungsten arc welding (GTAW), and fusion and non-fusion welding. Develops understanding of and fundamental skills in modern welding practices.
WELD 51 Basic Electric Arc Welding
- Units
- 2
- Hours
- Lecture: 18, Lab: 54
- Advisory
- WELD 50
Electric arc welding and cutting processes (SMAW, GTAW, GMAW, FCAW, and PAC) and their similarities and differences. Exploring each of these arc welding processes to gain more experience and skill welding with these processes and also gain an understanding of each of these different welding processes' strengths and weaknesses. Lab and shop safety.
WELD 53A Welding Metallurgy
- Units
- 3
- Hours
- Lecture: 54
- Transfers to
- CSU
Designed for students seeking a career in welding and welding inspection. Covers structure of matter, chemical, physical, and mechanical properties of metals, principles of alloying, solid state diffusion, plastic deformation, and heat treatment.
WELD 60 Print Reading and Computations for Welders
- Units
- 3
- Hours
- Lecture: 54
Reading prints and performing computations for welding fabrication operations. Interpreting and visualizing prints, title blocks, welding symbols, specifications, notes, and bills of materials. Computations necessary to calculate materials, costs, sizes, and fractional, decimal, and metric conversions.
WELD 70A Beginning Arc Welding
- Units
- 3
- Hours
- Lecture: 18, Lab: 108
Develops manipulative skills and techniques for shielded metal arc (SMAW) and flux cored arc (FCAW) welding processes in the flat and horizontal positions using AC and DC welding currents on carbon steel.
WELD 70B Intermediate Arc Welding
- Units
- 3
- Hours
- Lecture: 18, Lab: 108
- Advisory
- WELD 70A
Welding high alloy steel with both Shielded Metal Arc (SMAW) and Flux Core Arc (FCAW) welding processes in the vertical and overhead positions with an introduction to Gas Metal Arc (GMAW) and Gas Tungsten (GTAW) welding.
WELD 70C Certification for Welders
- Units
- 3
- Hours
- Lecture: 18, Lab: 108
- Prerequisite
- WELD 70B
Building construction for the advanced arc welding student. Special emphasis will be placed on welding symbols and the American Welding Society's (AWS) D1.1 and D1.3.
WELD 80 Construction Fabrication and Welding
- Units
- 3
- Hours
- Lecture: 18, Lab: 108
- Advisory
- WELD 40 and WELD 51 and WELD 70A
Theory and practical applications of welding used in industry and construction. Designed to adapt and upgrade skills to industry standards and develop fabrication skills to supplement and augment welding skills. Includes project models such as ornamental iron gates and fences and material storage components.
WELD 81 Pipe and Tube Welding
- Units
- 3
- Hours
- Lecture: 18, Lab: 108
- Advisory
- WELD 70B and WELD 70C
Welding in all positions as applied to the pipe industry. Welding processes include shielded metal arc welding (SMAW), gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), flux cored arc welding (FCAW) using a variety of materials and configurations on subcritical and critical piping and tubing.
WELD 90A Gas Tungsten Arc Welding
- Units
- 3
- Hours
- Lecture: 18, Lab: 108
- Prerequisite
- WELD 70A
- Transfers to
- CSU
Advanced gas tungsten arc welding (GTAW) or tungsten inert gas (TIG) of steel, aluminum, corrosion resisting steel (CRES), and exotic metals. All position welds with many surfaces and transitions.
WELD 90B Semiautomatic Arc Welding Process
- Units
- 3
- Hours
- Lecture: 18, Lab: 108
- Prerequisite
- WELD 70C
- Transfers to
- CSU
Semiautomatic welding processes including gas metal arc welding (GMAW), flux cored arc welding (FCAW), and submerged arc welding (SAW) with solid and tubular wires with and without gas shielding. All position welds with many varying thicknesses will be covered.
WELD 91 Automotive Welding, Cutting and Modification
- Units
- 3
- Hours
- Lecture: 18, Lab: 108
- Prerequisite
- WELD 70B
This course covers the welding and cutting of metals used in fabrication in the automotive industry. Gas metal arc (GMAW/MIG), gas tungsten arc (GTAW/TIG), plasma arc cutting (PAC), and oxy-fuel Cutting (OFC) and welding will be demonstrated as they are used in the automotive industry, with an emphasis placed on specific applications and situational uses of each of these processes.
WELD 96 Work Experience in Welding
- Units
- 1-4
- Prerequisite
- WELD 70B and instructor approval required Students must have completed at least one-third of the units for related program or be concurrently enrolled in a course in such a program.
Provides actual on-the-job experience in welding at an approved work site which is related to classroom instruction. A minimum of 54 clock hours per semester of supervised work is required for each unit of credit.