Butt And Socket Weld

Question 1

Common socket weld poundages

Answer 1

3,000 and 6,000

Question 2

Minimal thermal gap on a butt weld fitting

Answer 2

1/6th of an inch

Question 3

A flange welded on the inside and out

Answer 3

Slip on

Question 4

Calculating the take off for butt weld 90° or 45°

Answer 4

90° 1.5 pipe diameter
45° 5/8” pipe diameter

Question 5

Butt welds should have a weld gap of:

Answer 5

1/16th to an 1/8th of an inch

Question 6

Take off = end of the pipe to the center of the fitting

Question 7

Types of flanges?

Answer 7

Slip on, weld neck, lap joint

Question 8

Most common fittings

Answer 8

45° or 90°

Question 9

Strongest pipe joint is?

Answer 9

Butt weld

Question 10

You 2 hole a flange to do what?

Answer 10

Line up the flange

Question 11

Slip on are typically put on how far from the end of the pipe?

Answer 11

3/8” or the pipe thickness which ever is greater

Question 12

Flat edge on the end of a bevel to allow for welding

Answer 12

Land

Question 13

Socket welds get as big as 3” but are typically what diameter or less?

Answer 13

2”

Question 14

Welding galvanized is hazardous because of?

Answer 14

Toxic fumes

Question 15

For the most severe duty flange you use?

Answer 15

Weld neck flanges

Question 16

Weldnecks are marked with the weight so the ______ can match the pipe schedule

Answer 16

Bore