Welding Symbols

Front 1

What do welding symbols provide?

Back 1

A shorthand method for conveying complete welding information from the designer to the welder

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Front 2

Weld symbols represents what?

Back 2

-types of desired welds
-the shape of the weld as you would see it in cross-section

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Front 3

Supplementary weld symbols are necessary to what?

Back 3

proper weld completion

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Front 4

What are three possible elements of a welding symbol?

Back 4

-reference line
-arrow line
-basic welding symbols
-dimension and other data
-supplementary symbols
-finish symbols
-tail
-specifications, process or other references

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Front 5

What is the reference line?

Back 5

forms the base for welding symbols (always drawn horizontally)

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Back 6

a)the bottom
b)the top

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Front 7

When is a broken Arrow line used?

Back 7

Used with J groove and bevel groove preparation when it is necessary to indicate which member of the joint is to be prepared

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Front 8

When drawing a surface welding symbol what side is it always on?

Back 8

The arrow side

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Front 9

What symbol is an isosceles drawn with the left leg perpendicular to the reference line?

Back 9

Fillet weld symbol

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Front 10

What does a dotted U or J indicate?

Back 10

The preparation of the groove by the carbon arc-air process

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Front 11

When a backing welding symbol is put on a single reference what is indicated by the note?

Back 11

whether it should be welded before or after the weld

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Back 12

materials to be located in the tail

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Front 13

In the CSA letter designation what is does each letter mean?
a)M
b)MR
c)S
d)SR
e)T
f)F

Back 13

a)material identification(by means of assigned letter
b)material identification, but remover after welding
c)steel or other material as specified
d)The same as S, but removed after welding
e)Tape
f)Flux

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Back 14

-flat
-convex
-concave

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Front 15

Each letter mean the contour means it should be finished how?a)M
b)C
d)G
e)H
f)R
g)U

Back 15

a)machine
b)chip
d)grind
e)hammering
f)rolling
g)unspecified

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Back 16

-specification data
-the cutting or welding process
-other reference material about the weld that cannot be placed in symbol form
-important information about the weld that is elsewhere on the drawing that needs repeating

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Front 17

Multiple reference lines provide information relative to what?

Back 17

-the sequence of welding operations
-supplementary data applicable to the weld symbol
-test symbols regarding the examination after the weld is complete

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Back 18

-diameter of the hole
-depth of the fill
-center to centre spacing(pitch)
-the degree of countersink

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Back 19

to the right of the weld symbol

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Front 20

What is this symbol?

Back 20

Arrow Line

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Front 21

What is this symbol?

Back 21

plug or slot weld

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Front 22

What is this symbol?

Back 22

Square Groove weld

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Front 23

What is this symbol?

Back 23

Vee Groove weld

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Front 24

What is this symbol?

Back 24

U Groove weld

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Front 25

What is this symbol?

Back 25

Bevel Groove weld

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Front 26

What is this symbol?

Back 26

J Groove

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Front 27

What does this weld symbol mean?

Back 27

the joint requires welding all around one side(or both sides, if shown)

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Front 28

What is this weld symbol?

Back 28

Field weld

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Front 29

What is this symbol and what does the R mean?

Back 29

Joints with backing
-backing is to be removed after welding

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Front 30

What is this symbols general classification?

Back 30

joint with spacer

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Front 31

What does the solid black semi circle in this symbol mean?

Back 31

Melt through(full penetration is required)

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Front 32

What does this symbol mean?

Back 32

a 3mm deep surface is needed on the whole face of the object

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Front 33

What does this symbol mean?

Back 33

a 3mm deep surface weld is only required to the 75mm section

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Front 34

What does this symbol mean?

Back 34

Fillet weld is an equal leg fillet weld

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Front 35

What does this symbol mean?

Back 35

Fillet weld with unequal legs

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Front 36

What does this symbol show?

Back 36

a intermittent fillet 50mm weld with a pitch of 100mm

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Front 37

What does this symbol show?

Back 37

A chain intermittent 50mm fillet weld with a pitch of 125mm

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