How do you weld 6G position in pipe welding?

In the 6G welding position, the pipe slopes at approximately 45° from the horizontal (X) axis or 45° from the vertical (Y) axis. The pipe is in a fixed position, so the welder must move around the pipe to perform the welding.

What is Hotpass in welding?

The Hot pass is a technique which helps resurface the root pass, and make it usable without a lot of grinding and clean -up of the weld. Some welders employ the hot pass over the root pass every time, whether it needs it or not, which typically won’t hurt anything if it is done correctly.

Can you weld pipe with 7018?

T means you can weld pipe and hollow structures without backing. S means you have to have a backing. For the complete 7018 weld, you would need a “T” classification. Often it is said that many welders just run a 6010 root – as it is much easier for them.

How hard is a 6G weld test?

The 6G pipe weld is one of the most difficult weld certification tests to pass because the pipe is at a 45-degree angle and immovable. Welders performing the 6G certification test must weld in all positions including horizontal, vertical and overhead, and may have to weld both right-handed and left-handed.

How to pass a 6g pipe welding certification?

This is the final part of how to pass a 6G pipe welding certification. This page covers the destructive bent test required to become a certified welder. This section covers how to mark a pipe for bend test coupons, cutting of weld coupons and a bent test conducted by a Certified Welding Inspector.

What is the TIG test for stick pipe welding?

So far I have almost perfected my stick pipe welding since taking this test and am working on my TIG welding skills. The test they give is a E6010 root with a 1/8 gap and landing, a two stringer fill, and a two to three stringer cap, using a E8018.

How to take the 6g certification bend test?

The face bend coupon with the excessive weld reinforcement removed from the cap weld with a grinder. Root view of the face bend coupons after the bend area was cleaned with a grinder. You can see the undercut from the root weld. Root bend coupon with the face reinforcement removed.

How to prepare bend test coupons for a pipe welding?

The rules state you can round the edges up to a 1/8 inch radius. Now the root and face test specimens are ready to bend. The face bend coupon with the excessive weld reinforcement removed from the cap weld with a grinder. Root view of the face bend coupons after the bend area was cleaned with a grinder. You can see the undercut from the root weld.