WLD 136 - Advanced Inert Gas Welding

• Plasma Pipe Beveling Operation
• GTAW Root, Hot Pass, Fillers, and Cover Pass on 4” SCH 40 Carbon Steel Pipe
• 2G, 5G, and 6G Welding Positions

• Flip Front Welding Hood (#10 Lens)
• Welding Goggles (#5 Lens)
• Cotton Long Sleeve Shirt
• High Top Leather Boots
• 10” Channel Lock Pliers
• Long Welding Gloves
• Cotton Welders Cap
• Clear Safety Glasses
• Cotton Pants without Cuffs
• Tip Cleaners
• Short TIG Gloves
• 14” Half-Round File

A 90-100
B 80-89
C 70-79
D 60-69
F 0-59

1. Recognize and properly setup the welding equipment to demonstrate the GTAW welding process.
2. Demonstrate GTAW welding process on 4” carbon steel pipe by properly welding a root pass with an “open butt” fit up.
3. Demonstrate a GTAW “hot pass” on the 8” carbon steel pipe after properly and successfully demonstrating the root pass.
4. Demonstrate multiple GTAW “filler passes” on the 4” carbon steel pipe after properly and successfully demonstrating the hot pass.
5. Perform all of the GTAW processes using ER70S to completely weld 4” carbon steel pipe coupons in the 2G, 5G, and 6G positions to AWS standards.

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