In this course, you’ll learn about shielding. You’ll find out how shielding protects a weld. You’ll also discover the differences between flux shielding and gas shielding. By the end of this course, you will be able to • Define shielding • Understand why shielding is used • Describe flux shielding • Describe gas shielding

In this course, you’ll learn about the main operating parameters that apply to arc welding. You’ll discover the relationship between arc voltage and arc current. You’ll also find out how electrode feed rate, welding travel speed, and electrical polarity affect the welding process. By the end of this course, you will be able to • List the main operating parameters that apply to arc welding • Explain each operating parameter and how it affects arc welding • Describe the three types of electrical polarity

All arc welding processes use an arc to complete a circuit and provide heat for the melting of materials. However, arc welding processes differ in how the arc is produced and controlled, how the molten weld pool is protected from oxidation, and whether it uses a consumable or nonconsumable electrode. In this course, we focus on the process of gas metal arc welding. By the end of this course, you will be able to • Describe the process of GMAW • List common applications for GMAW • Explain the advantages and limitations of GMAW • Describe the four modes of metal transfer • Understand process-specific information and variables

All arc welding processes use an arc to complete a circuit and provide heat for the melting of materials. However, arc welding processes differ in how the arc is produced and controlled, how the molten weld pool is protected from oxidation, and whether it uses a consumable or nonconsumable electrode. In this course, we focus on the process of flux core arc welding. By the end of this course, you will be able to • Describe the process of FCAW • List common applications for FCAW • Explain the advantages and limitations of FCAW • Describe the modes of metal transfer • Understand process-specific information and variables

All arc welding processes use an arc to complete a circuit and provide heat for the melting of materials. However, arc welding processes differ in how the arc is produced and controlled, how the molten weld pool is protected from oxidation, and whether it uses a consumable or nonconsumable electrode. In this course, we focus on the process of gas tungsten arc welding. By the end of this course, you will be able to • Describe the process of GTAW • List common applications for GTAW • Explain the advantages and limitations of GTAW • Understand process-specific information and variables

All arc welding processes use an arc to complete a circuit and provide heat for the melting of materials. However, arc welding processes differ in how the arc is produced and controlled, how the molten weld pool is protected from oxidation, and whether it uses a consumable or nonconsumable electrode. In this course, we focus on the process of plasma arc welding. By the end of this course, you will be able to • Describe the process of PAW • List common applications for PAW • Explain the advantages and limitations of PAW • Understand process-specific information and variables

All arc welding processes use an arc to complete a circuit and provide heat for the melting of materials. However, arc welding processes differ in how the arc is produced and controlled, how the molten weld pool is protected from oxidation, and whether it uses a consumable or nonconsumable electrode. In this course, we focus on the process of shielded metal arc welding. By the end of this course, you will be able to • Describe the process of SMAW • List common applications for SMAW • Explain the advantages and limitations of SMAW • Understand process-specific information and variables