WELD 109 - Oxy-Fuel Gas Welding and Cutting

1. Describe safety practices used with oxy-fuel equipment. [a,c,e,f]
2. Demonstrate safety devices used with oxygen and acetylene cylinders. [a,c, e,f]
3. Demonstrate proper start-up and shut down procedures. [a,c,e,f]
4. Describe the different types of fuel gases used. [a,c,e,f]
5. Describe proper methods of storing, using and shipping gas cylinders. [a,c,e,f]
6. Identify the A.W.S. classification for filler materials. [e,f]
7. Determine the correct tip size for welding and cutting. [a,e]
8. Determine the correct methods of performing cutting operations. [a,e]
9. Perform butt, lap tee and corner joint welds in the flat, horizontal, vertical and overhead positions on mild steel plates. [a,e]
10. Perform brazing and soldering on butt, lap, and tee joints on mild steel and/or copper. [a,e]
11. Perform straight, bevel, and circular cuts on a mild steel plate. [a,e]
12. Perform a bevel cut on 6” schedule 80 pipe with hand-held torch. [a,e]

• Safety Devices
• NCGA (National Cylinder Gas Association) Code
• Color Codes
• AWS (American Welding Society) filler materials code
• Check Valve devices
• Cutting/Welding Tip selection (orifice sizes)
• ANSI/ACS Z49.1 Code
• Weld defects and discontinuities
• Brazing filler materials
• Fluxes
• Welding symbols