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Flashcards in Welding Deck (19)
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1

What is welding?

The process of fusing two pieces of metal using heat to melt both pieces and usually adding a filler metal

2

What is SMAW?

Shielded metal arc welding

3

What is MIG?

Metal inert gas welding

4

What is FCAW?

Flux core arc welding

5

What is TIG?

Tungsten arc welding

6

What is an arc welding machine made up of?

Ground clamp
Electrode clamp
Welding rods

7

What are the different types of welding rods?

6010
6011
6013
7018
7024

8

What do the first two digits of the rods represent?

X10k lbs of tensile strength per square inch

9

What do the last digit of the welding rods represent?

The flux or shielding of the rod

10

What is MIG welding most commonly used for?

Fabrication shops

11

What are the most common metals welded with a MIG welder?

Carbon steel
Stainless steel
Aluminum

12

What kind of current does MIG use?

D/C

13

What is the most common wire used for welding carbon steel?

ER 70S-6

14

What is the range of MIG welding wire?

.023
.030
.035
.045

15

What are the shielding gases for MIG welding?

Argon
Carbon dioxide
Helium

16

What do the types of gases determine?

Penetration
Characteristic
Mechanical properties

17

What are the welding techniques?

Whipping
Circles
Weaving

18

What are the welding positions?

Flat 1G
Horizontal 2G
Vertical 3G
Over head 4G

19

What are the types of joints?

Butt
Fillet