34 Week 7 Lab

This lab should be completed with gas-shielded welding and 0.045″ diameter E71T-1 wire.

WABO FCAW

Setup

Materials required are a single WABO plate, 2″ thick. One side of the v groove is 90°, the other side is cut at 45°. The plate has a 1/4″ root opening with a 3/8″ backing bar.

Position required is 2F.

Work

Weld multiple layers of stringer beads to fill the WABO plate. Two 3/8″ coupons will be cut out and run through the bend test.

Acceptance Criteria

• Consistent weld
• Good tie-ins
• Complete joint penetration
• Both coupons pass the bend test