WELDING

 

National Center for Construction Education and Research

 

LEVEL ONE

v      29101-03 Welding Safety
Covers safety equipment, protective clothing, and procedures applicable to the cutting and welding of metals.

v      29102-03 Oxyfuel Cutting
Explains the safety requirements for oxyfuel cutting. Identifies oxyfuel cutting equipment and setup requirements. Explains how to light, adjust, and shut down oxyfuel equipment. Trainees will perform cutting techniques that include straight line, piercing, bevels, washing, and gouging.

v      29103-03 Base Metal Preparation
Describes how to clean and prepare all types of base metals for cutting or welding. Identifies and explains joint design and base metal preparation for all welding tasks.

v      29104-03 Weld Quality
Identifies the codes that govern welding. Identifies and explains weld imperfections and causes. Describes non-destructive examination practices, welder qualification tests, and the importance of quality workmanship.

v      29105-03 SMAW – Equipment and Setup
Describes SMAW and welding safety. Explains how to connect welding current and set up arc welding equipment. Identifies and explains using tools for cleaning welds.

v      29106-03 SMAW – Electrodes and Selection
Explains electrode characteristics and different types of filler metals. Describes the role of the American Welding Society (AWS) and the American Society of Mechanical Engineers (ASME). Explains proper storage and control of filler metals and identifies the use of codes.

v      29107-03 SMAW – Beads and Fillet Welds
Describes the preparation and setup of arc welding equipment and the process of striking an arc. Explains how to detect and correct arc blow. Describes how to make stringer, weave, overlapping beads, and fillet welds.

v      29108-03 SMAW – Groove Welds with Backing
Explains groove welds and how to set up welding equipment for making groove welds. Describes how to make groove welds with backing. Provides procedures for making flat, horizontal, vertical, and overhead groove welds.

v      29109-03 Joint Fit-Up and Alignment
Identifies and explains job code specifications. Describes the use of fit-up gauges and measuring devices to check fit-up and alignment and the use of plate and pipe fit-up and alignment tools to properly prepare joists. Explains how to check for joint misalignment and poor fit.

v      29110-03 SMAW – Open V-Groove Welds
Explains open V-groove welds and how to set up welding equipment for making open V-groove welds. Provides procedures for making flat, horizontal, vertical, and overhead open V-groove welds.

v      29111-03 SMAW – Open-Root Pipe Welds
Explains open-root pipe welds and how to set up welding equipment for making open-root pipe welds. Provides procedures for making 1G, 2G, 5G, and 6G open-root pipe welds.

LEVEL TWO

v      29201-03 Welding Symbols
Identifies and explains the different parts of a welding symbol. Describes different types of fillet weld, groove weld, and non-destructive examination symbols. Explains how to read welding symbols on drawings, specifications, and welding procedure specifications.

v      29202-03 Reading Welding Detail Drawings
Identifies and explains welding detail drawings. Describes lines, fills, object views, and dimensioning on drawings. Explains how to use notes on drawings and the bill of materials.

v      29203-03 SMAW – Stainless Steel Groove and Pipe Welds
Explains stainless metallurgy and the selection of proper electrodes. Describes stainless steel groove welds and how to set up welding equipment for making stainless steel groove welds. Provides procedures for making flat, horizontal, vertical, and overhead stainless steel groove welds.

v      29204-03 Air Carbon Arc Cutting and Gouging
Describes air carbon arc cutting equipment and processes. Identifies the electrodes and safe operation of the equipment. Provides step-by-step instructions for performing air carbon arc washing and gouging activities.

v      29205-03 Plasma Arc Cutting (PAC)
Explains plasma arc cutting equipment and safe work area preparation. Identifies correct amperage, gas pressures, and flow rates. Covers plasma-arc cutting methods for piercing, slotting, squaring, and beveling metals. Explains how to store equipment and clean the work area.

v      29206-03 GMAW and FCAW – Equipment and Filler Metals
Describes general safety procedures for GMAW and FCAW. Identifies GMAW and FCAW equipment and explains the filler metals and shielding gases used to perform GMAW and FCAW. Explains how to set up and use GMAW and FCAW equipment.

v      29207-03 GMAW and FCAW – Plate
Explains how to set up GMAW and FCAW equipment and build a pad of stringer beads and weave beads using filler metals and shielding gas. Explains procedures to perform GMAW multipass fillet welds on plate in various positions.

v      29208-03 GTAW – Equipment and Filler Materials
Explains GTAW safety. Identifies and explains the use of GTAW equipment, filler metals, and shielding gases. Covers the setup of GTAW equipment.

v      29209-03 GTAW – Plate
Describes how to pad in all positions using GTAW and carbon steel filler metal. Covers making multi-pass V-butt open-groove welds with carbon steel filler metal in the 1G, 2G, 3G, and 4G positions.

v      29210-03 GTAW – Aluminum Plate
Covers open root V-groove welding of aluminum pipe in the 2G, 5G, and 6G positions.

 LEVEL THREE

v      29301-03 Preheating and Postweld Heat Treatment of Metals
Explains preheating, interpass temperature control, and postheating procedures that sometimes need to be done to preserve weldment strength, ductility, and weld quality. Covers the equipment used for heat treatment of metals.

v      29302-03 Physical Characteristics and Mechanical Properties of Metals
Explains physical characteristics, mechanical properties, composition, and classification of common ferrous and nonferrous metals. Identifies the various standard metal forms and structural shapes. Covers visual inspection, magnetic testing, and X-ray fluorescent spectrometry methods used to identify metals.

v      29303-03 GMAW – Pipe
Explains how to set up GMAW equipment. Covers the procedures and techniques used to make open-root V-groove welds with GMAW on pipe in the 1G-ROTATED, 2G, 5G, and 6G positions.

v      29304-03 FCAW – Pipe
Explains how to set up FCAW equipment. Covers the procedures and techniques used to make V-groove pipe welds with FCAW in the 1G-ROTATED, 2G, 5G, and 6G positions.

v      29305-03 GTAW – Carbon Steel Pipe
Explains how to set up GTAW equipment. Covers the procedures and techniques used to make V-groove pipe welds with GTAW in the 1G-ROTATED, 2G, 5G, and 6G positions for carbon steel pipe.

v      29306-03 GTAW – Low-Alloy and Stainless Steel Pipe
Explains how to set up GTAW equipment. Covers the procedures and techniques used to make V-groove pipe welds with GTAW in the 2G, 5G, and 6G positions for low-alloy and stainless steel pipe.

v      29307-03 GTAW – Aluminum Pipe
Explains how to set up GTAW equipment. Covers the procedures and techniques used to make V-groove pipe welds with GTAW in the 2G, 5G, and 6G positions for aluminum pipe.

v      29308-03 GMAW – Aluminum Plate and Pipe
Explains how to set up GMAW equipment and build a pad of stringer beads and weave beads using aluminum filler metals and shielding gas. Provides procedures for performing GMAW multiple-pass fillet welding on aluminum plate in the 1F, 2F, 3F, and 4F positions. Covers making GMAW V-groove welds with backing for aluminum plate in the 1G, 2G, 3G, and 4G positions and aluminum pipe in the 1G-ROTATED, 2G, 5G, and 6G positions.
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