Arc W
eldingBasics
Arc W
eldingBasics
Un
it T
op
ics
Un
it T
op
ics
•T
opic
s inclu
ded in t
his
overv
iew
are
:
–Introduction
�W
hat is
Arc
Weld
ing?
�W
hy
is W
eld
ing I
mport
ant?
�W
hy
Learn
to W
eld
?
–Careers in W
elding
2
–Careers in W
elding
–The American W
elding
Society (AWS)
–Welding Safety
–Basic Electricity
–Welding Fundamentals
–Welding C
ertification
Ob
jec
tiv
es
Ob
jec
tiv
es
•U
pon s
uccessfu
l com
ple
tion o
f th
is u
nit o
f stu
dy, you w
ill
be a
ble
to "
–
Identify definitions and term
inology associated with w
elding
–Demonstrate safe working habits in the welding environment
–Name the parts and types of welds and weld joints
–Interpret basic welding symbol inform
ation
3
–Interpret basic welding symbol inform
ation
–Identify opportunities available to welders
Introduction
Introduction
Wh
at
is A
rc W
eld
ing
?W
ha
t is
Arc
We
ldin
g?
•A
rc w
eld
ing
is m
ost
co
mm
on
ly u
se
d t
o jo
in t
wo
p
iece
s o
f m
eta
l
–The welder creates an electric arc that melts the
base m
etals and filler metal (consumable) together
so that they all fuse into one solid piece of metal
5
Ste
el P
ipe –
Tack
Weld
ed
Root P
ass o
r “S
trin
ger
Bead”
Fin
al w
eld
aft
er
severa
l beads a
re
made
Wh
y i
s W
eld
ing
Im
po
rta
nt?
Wh
y i
s W
eld
ing
Im
po
rta
nt?
•M
any thin
gs a
round u
s a
re w
eld
ed "
–Pipelines that bring fresh water
–Towers that carry electricity to houses
–Cars and buses that take people where they need to go
6
Wh
y L
ea
rn t
o W
eld
?W
hy L
ea
rn t
o W
eld
?
•W
eld
ing
is s
o H
OT
".
it’s
CO
OL
!
–Welding can help build a successful career so you
can get the things you w
ant in life
–Skilled w
elders are in demand –
people use things
that are welded everyday!
7
–Welding can be fun and safe
–It is challenging and high-tech
Ba
sic
Ste
ps
of
Arc
We
ldin
gB
as
ic S
tep
s o
f A
rc W
eld
ing
•P
repare
the b
ase m
ate
rials
: re
move p
ain
t and r
ust
•C
hoose t
he r
ight
weld
ing p
rocess
•C
hoose t
he r
ight
fille
r m
ate
rial
•A
ssess a
nd c
om
ply
with s
afe
ty r
equirem
ents
•U
se p
roper
weld
ing t
echniq
ues a
nd b
e s
ure
to p
rote
ct
8
•U
se p
roper
weld
ing t
echniq
ues a
nd b
e s
ure
to p
rote
ct
the m
olten p
uddle
fro
m c
onta
min
ants
in t
he a
ir
•In
spect th
e w
eld
Th
e A
me
ric
an
We
ldin
g S
oc
iety
Th
e A
me
ric
an
We
ldin
g S
oc
iety
•W
ho is
the A
WS
?–
American W
elding Society
–It is a non-profit organization w
hose m
embership includes:
�In
div
idu
als
�S
tud
en
ts
�C
om
pa
nie
s
9
•W
ha
t d
o t
he
y d
o?
–
Their purpose is to:
�A
dva
nce
th
e s
cie
nce
, te
ch
no
log
y, a
nd
ap
plic
atio
n o
f w
eld
ing
an
d a
llie
d
pro
ce
sse
s in
clu
din
g: jo
inin
g, b
razin
g,
so
lde
rin
g,
cu
ttin
g,
an
d t
he
rma
l sp
ray
�S
tan
da
rdiz
e c
lassific
atio
n o
f e
lectr
od
e a
nd
ba
se
ma
teri
al co
de
s
�S
tan
da
rdiz
e p
roce
ss p
roce
du
res
�P
rovid
e w
eld
ing
ce
rtific
atio
n
Care
ers
in
Weld
ing
Care
ers
in
Weld
ing
10
Care
ers
in
Weld
ing
Care
ers
in
Weld
ing
Ca
ree
rs in
We
ldin
gC
are
ers
in
We
ldin
g
•E
ngin
eering
•R
acin
g
•In
dustr
ial S
ale
s
•R
obotics
•Ir
onw
ork
er/
Skill
ed
Tra
des
Jo
b o
pp
ort
un
itie
s in
we
ldin
g a
re c
ha
ng
ing
"Welding can be valuable as a job skillor as a
full-time job
11
•In
dustr
ial S
ale
s
•F
arm
Repair a
nd F
abrication
•P
roduction W
eld
ing
•M
ilita
ry
•T
eachin
g
•M
ain
tenance
Tra
des
•A
uto
Technic
ian
•A
rtis
t
•M
eta
l Sculp
ting
•O
wnin
g Y
our
Ow
n
Busin
ess
Fo
r m
ore
in
form
atio
n o
n w
eld
ing
ca
ree
rs,
ple
ase
se
e t
he
e
-le
arn
ing
intr
od
uctio
n
Ho
w M
uc
h M
on
ey
Ca
n Y
ou
Ma
ke
?
Ho
w M
uc
h M
on
ey
Ca
n Y
ou
Ma
ke
?
•R
ecent
sta
tistics s
how
th
at som
e w
eld
ing jobs
pay $
25.0
0 p
er
hour
-If you worked five days a
week for one year, how
much m
oney would you
12
much m
oney would you
make?
•83%
of people
with
weld
ing jobs w
ere
off
ere
d m
edic
al benefits
-Higher than any other work
sector except government
Fo
r m
ore
in
form
atio
n o
n w
eld
ing
sta
tistics,
ple
ase
log
on
to
ww
w.b
ls.g
ov
Ap
pli
cati
on
Acti
vit
yA
pp
licati
on
Acti
vit
y
13
Ap
pli
cati
on
Acti
vit
yA
pp
licati
on
Acti
vit
y
Ap
pli
ca
tio
n A
cti
vit
yA
pp
lic
ati
on
Ac
tiv
ity
•L
et’
s e
xp
lore
so
me
ca
ree
r p
os
sib
ilit
ies
in
we
ldin
g
•P
lea
se
lo
g o
n t
o a
co
mp
ute
r
•W
ork
ing
wit
h a
te
am
me
mb
er,
re
se
arc
h t
he
we
bs
ite
s t
o t
he
rig
ht
an
d e
xp
lore
in
form
ati
on
ab
ou
t w
eld
ing
ca
ree
rs
•In
60
min
ute
s,
be
pre
pa
red
to
a
ns
we
r th
e f
oll
ow
ing
qu
es
tio
ns
:
•A
merica's
Job B
ank
(htt
p:/
/ww
w.a
jb.d
ni.us)
•C
lassifie
ds E
mplo
yment
(htt
p:/
/ww
w.c
lassifie
ds200
0.c
om
)•
Yahoo!
Care
ers
(h
ttp:/
/care
ers
.yahoo.c
om
/)•
MO
NS
TE
R.C
OM
( h
ttp:/
/ww
w.m
onste
r.com
)(h
ttp:/
/nccer.
monste
r.com
)
14
an
sw
er
the
fo
llo
win
g q
ue
sti
on
s:
–What careers in welding interest you
the m
ost?
–How can welding be high tech?
–How m
uch m
oney can be m
ade
annually in this chosen career field?
–Where can you get a job in welding
and what are the basic requirements?
–What are some job advancement
opportunities available in the welding
industry?
(htt
p:/
/nccer.
monste
r.com
)•
Care
erB
uild
er
(htt
p:/
/ww
w.c
are
erb
uild
er.
com
)
Weld
ing
Safe
tyW
eld
ing
Safe
ty
15
Weld
ing
Safe
tyW
eld
ing
Safe
ty
•W
eld
ing c
an b
e s
afe
when s
uff
icie
nt
measure
s a
re
taken to p
rote
ct yours
elf a
nd o
thers
fro
m p
ote
ntial
hazard
s
•S
tudents
should
read a
nd u
nders
tand t
he follo
win
g
befo
re w
eld
ing:
Arc
We
ldin
g S
afe
tyA
rc W
eld
ing
Sa
fety
16
–Warning Labels
–Material Safety Data Sheets (MSDS)
•S
tudents
should
als
o b
e f
am
iliar
with t
he f
ollo
win
g
info
rmation
–‘Safety in W
elding, Cutting, and Allied Processes’ (A
NSI Z49.1)
–Lincoln Electric’s ‘Arc W
elding Safety’ (E
205)
Wa
rnin
g L
ab
els
Wa
rnin
g L
ab
els
•U
nd
ers
tan
d a
nd
fo
llow
all
wa
rnin
g
lab
els
fo
un
d:
–On welding equipment
–With all consumable
17
–With all consumable
packaging
–Within instruction
manuals
Ma
teri
al S
afe
ty D
ata
Sh
ee
tsM
ate
ria
l S
afe
ty D
ata
Sh
ee
ts
•M
ate
rial S
afe
ty D
ata
S
heets
(M
SD
S)
are
:–
Required by law and
OSHA
–Created by the
manufacturer of a product
18
manufacturer of a product
per OSHA guidelines
–Designed to inform
users
–Shipped with every box of
Lincoln Electric
consumable product
–Available free online at:
www.lincolnelectric.com/product
s/m
sds/
front
MS
DS
-C
on
tin
ue
dM
SD
S -
Co
nti
nu
ed
•M
SD
S o
utlin
es a
p
rod
uct’s:
�Id
entity
and
com
positio
n
�P
ote
ntial hazard
s
19
�P
ote
ntial hazard
s
�S
afe
use
�H
andlin
g info
rmation
�M
anufa
ctu
rer
conta
ct in
form
ation
back
AN
SI
Z4
9.1
AN
SI
Z4
9.1
•A
NS
I Z
49.1
: S
afe
ty in
Weld
ing,
Cutt
ing, and A
llied
Pro
cesses
–A safety document published by the American W
elding Society that
covers safe practices in the welding environment
–To get your free copy, go to:
�w
ww
.aw
s.o
rg/t
ech
nic
al/fa
cts
/Z4
9.1
-20
05
-all.
pd
f
20
•E
205: A
rc W
eld
ing S
afe
ty–
A safety document summarizing many of the hazards and safe
practices for welding
–Download and print your own copy at:
�h
ttp
://c
on
ten
t.lin
co
lne
lectr
ic.c
om
/pd
fs/p
rod
ucts
/lite
ratu
re/e
20
5.p
df
–Free copies available from Lincoln Electric at:
�w
ww
.lin
co
lne
lectr
ic.c
om
/pro
du
cts
/litre
qu
est
•A
ccess the E
-learn
ing S
ite @
ww
w.a
ged
learn
ing.c
om
Arc
We
ldin
g S
afe
tyA
rc W
eld
ing
Sa
fety
•P
rote
ct yo
urs
elf a
nd
o
the
rs fro
m p
ote
ntia
l h
aza
rds in
clu
din
g:
–Fumes and G
ases
–Electric Shock
21
–Arc Rays
–Fire and Explosion
Hazards
–Noise
–Hot objects
Fu
me
s a
nd
Ga
se
sF
um
es
an
d G
as
es
•F
um
es a
nd g
ases c
an b
e
hazard
ous t
o y
our
health
•K
eep y
our
head o
ut of th
e
fum
es
•U
se e
nough v
entila
tion,
exh
aust
at th
e a
rc, or
both
,
22
exh
aust
at th
e a
rc, or
both
, to
keep f
um
es a
nd g
ases
from
your
bre
ath
ing z
one
and t
he g
enera
l are
a
•S
ee p
roduct
labelin
g a
nd
MS
DS
for
ventila
tion a
nd
respirato
r re
quirem
ents
Ele
ctr
ic S
ho
ck
Ele
ctr
ic S
ho
ck
•E
lectr
ic s
ho
ck c
an
kill
•D
o n
ot to
uch
liv
e e
lectr
ica
l p
art
s–Primary Voltage –230, 460
volt input power
–Secondary Voltage –
6 to
23
–Secondary Voltage –
6 to
100 volts for welding
•In
su
late
yo
urs
elf f
rom
w
ork
an
d g
rou
nd
•F
ollo
w a
ll w
arn
ing
s o
n
we
ldin
g e
qu
ipm
en
t
Do n
ot
make r
epairs
Do n
ot
make r
epairs
yours
elf,
ale
rt y
our
yours
elf,
ale
rt y
our
instr
ucto
r im
media
tely
!in
str
ucto
r im
media
tely
!
Arc
Ra
ys
Arc
Ra
ys
•Arc rays can injure eyes and
burn skin
•The welding arc is brighter
than the sun
•Precaution m
ust be taken to
24
•Precaution m
ust be taken to
protect your eyes and skin
from UV radiation
•Wear correct eye and body
protection
Fir
e a
nd
Ex
plo
sio
n H
aza
rds
Fir
e a
nd
Ex
plo
sio
n H
aza
rds
•W
eld
ing s
park
s c
an c
ause
fire
s a
nd e
xplo
sio
ns
•S
park
s a
nd s
patt
er
from
the
weld
ing a
rc c
an s
pra
y u
p t
o
35 feet fr
om
your
work
•F
lam
mable
mate
rials
should
25
•F
lam
mable
mate
rials
should
be r
em
oved f
rom
the w
eld
ing
are
a o
r shie
lded f
rom
spark
s
and s
patt
er
•H
ave a
fire e
xtin
guis
her
ready
•In
spect are
a f
or
fire
s 3
0
min
ute
s a
fter
weld
ing
No
ise
No
ise
•L
ou
d n
ois
es c
an
da
ma
ge
yo
ur
he
ari
ng
•K
ee
p lo
ud
no
ise
s a
t a
sa
fe le
ve
l b
y u
sin
g p
rop
er
he
ari
ng
pro
tectio
n s
uch
as:
–Ear plugs
26
–Ear plugs
–Ear muffs
Pro
tec
tiv
e C
loth
ing
Pro
tec
tiv
e C
loth
ing
Weld
ers
must w
ear
pro
tective
clo
thin
g f
or
–Protection from sparks, spatter and U
V
radiation
–Insulation from electric shock
27
•P
rote
ctive c
loth
ing inclu
des "
–Fire-proof clothing w
ithout rolled sleeves,
cuffs or frays
–Work boots
–Welding gloves, jackets, bibs, and fire-
proof pants
–Welding cap, helm
et and safety glasses
–Ear protection –
ear plugs and m
uffs
Ap
pli
cati
on
Acti
vit
yA
pp
licati
on
Acti
vit
y
28
Ap
pli
cati
on
Acti
vit
yA
pp
licati
on
Acti
vit
y
Ap
pli
ca
tio
n A
cti
vit
yA
pp
lic
ati
on
Ac
tiv
ity
•T
IME
TO
PR
AC
TIC
E
–Go out to the lab
–Demonstrate the use
of proper safety
precautions such as:
29
�R
ea
din
g w
arn
ing
s
�U
sin
g p
rop
er
pro
tective
clo
thin
g
�E
qu
ipm
en
t in
sp
ectio
n
�K
ee
pin
g y
ou
r h
ea
d o
ut
of th
e fu
me
�P
rop
er
ve
ntila
tio
n
Basic
Ele
ctr
icit
y a
nd
Weld
ing
Basic
Ele
ctr
icit
y a
nd
Weld
ing
30
Weld
ing
Weld
ing
Th
e A
rc W
eld
ing
Cir
cu
it
Th
e A
rc W
eld
ing
Cir
cu
it
•T
he
ele
ctr
icity flo
ws
fro
m th
e p
ow
er
so
urc
e, th
rou
gh
th
e
ele
ctr
od
e a
nd
acro
ss
the
arc
, th
rou
gh
th
e
31
the
arc
, th
rou
gh
th
e
ba
se
ma
teri
al to
th
e
wo
rk le
ad
an
d b
ack
to th
e p
ow
er
so
urc
e
Ba
sic
Ele
ctr
icit
yB
as
ic E
lec
tric
ity
•V
oltage –
The e
lectr
ical
pote
ntial or
pre
ssure
that
causes c
urr
ent to
flo
w–
Measured in
Volts
•C
urr
ent –
The m
ovem
ent
of charg
ed p
art
icle
s in a
specific
direction
DC
+
DC
-
32
specific
direction
–Measured in
Amps
•P
ola
rity
–DC-(D
irect Current
Electrode Negative)
–DC+(D
irect Current
Electrode Positive)
–AC(A
lternating Current)
AC
Math
Term
s
an
d W
eld
ing
Math
Term
s
an
d W
eld
ing
33
an
d W
eld
ing
an
d W
eld
ing
Ma
th T
erm
s i
n W
eld
ing
M
ath
Te
rms
in
We
ldin
g
•B
eli
eve it
or
no
t, a
lo
t o
f m
ath
is u
sed
in
weld
ing
IPM
Tra
ve
l S
pe
ed
= In
ch
es p
er
Min
ute
Tra
ve
l Sp
ee
dT
he
sp
ee
d th
e e
lectr
od
e m
ove
s
alo
ng
th
e b
ase
ma
teri
al
IPM
Wir
e F
ee
d S
pe
ed
= In
ch
es
pe
r M
inu
te W
ire
Fe
ed
Sp
ee
dT
he
sp
ee
d a
t w
hic
h th
e w
ire
is
fed
du
rin
g w
ire
we
ldin
g
Lb
s/h
r =
Po
un
ds p
er
Ho
ur
Ele
ctr
od
e d
ep
ositio
n r
ate
34
Lb
s/h
r =
Po
un
ds p
er
Ho
ur
Ele
ctr
od
e d
ep
ositio
n r
ate
CF
H=
Cu
bic
Fe
et p
er
Ho
ur
Sh
ield
ing
ga
s flo
w r
ate
(w
ire
w
eld
ing
)
PS
I= P
ou
nd
s p
er
Sq
ua
re In
ch
Te
nsile
str
en
gth
of a
ma
teri
al a
nd
th
e p
ressu
re in
ga
s c
ylin
de
rs
L =
Le
gF
ille
t siz
e m
ea
su
rem
en
t
% =
pe
rce
nt
Sh
ield
ing
ga
s m
ixtu
re
co
mp
ositio
n
Meta
lsM
eta
ls
35
Meta
lsM
eta
ls
Ca
n A
ll M
eta
ls B
e W
eld
ed
?
Ca
n A
ll M
eta
ls B
e W
eld
ed
?
•M
ost m
eta
ls c
an
be
we
lde
d,
bu
t n
ot
all
•T
he
th
ree
mo
st co
mm
on
we
lda
ble
me
tals
in
clu
de
:–
Mild Steel -inexpensive and strong
–Stainless Steel –does not rust
36
–Aluminum –
does not rust and is light weight
Mild
ste
el
Sta
inle
ss S
teel
Alu
min
um
Ga
ug
eG
au
ge
•M
ate
ria
l th
ickn
ess is
so
me
tim
es m
ea
su
red
by
ga
ug
e f
rom
36
(.0
04
in
) to
3 (
.23
91
in
) –
For example, steel gauge and m
easurement in inches:
37
PL
EA
SE
NO
TE
: A
s t
he g
au
ge n
um
ber
gets
sm
all
er
D t
he m
ate
rial th
ickn
ess g
ets
larg
er.
16 g
au
ge
= .051”
1
4 g
au
ge
= .064”
1
2 g
au
ge
= .081”
1
0 g
au
ge
= .102”
Typ
es o
f Jo
ints
Typ
es o
f Jo
ints
38
Typ
es o
f Jo
ints
Typ
es o
f Jo
ints
Typ
es
of
Jo
ints
T
yp
es
of
Jo
ints
•T
he
re a
re 5
typ
es o
f jo
ints
"
39
Part
s o
f a W
eld
Part
s o
f a W
eld
40
Part
s o
f a W
eld
Part
s o
f a W
eld
Pa
rts
of
a W
eld
Pa
rts
of
a W
eld
41
Jo
int a
nd
We
ldJo
int a
nd
We
ld
He
at A
ffe
cte
d Z
on
eH
ea
t A
ffe
cte
d Z
on
e
Fil
let
an
d G
roo
ve
We
lds
Fil
let
an
d G
roo
ve
We
lds
•G
roo
ve
an
d f
ille
t w
eld
s c
an
be
ma
de
on
ma
ny
typ
es o
f jo
ints
42
Fil
let
We
ld I
ns
pe
cti
on
Fil
let
We
ld I
ns
pe
cti
on
•F
illet
weld
s s
hould
: –
Have a flat to slightly convex face
–Be uniform
in appearance
–Have equal leg size
–Have good wash-in into base m
aterials
•T
his
is a
n e
xam
ple
of a g
ood f
illet
weld
:
43
•T
his
is a
n e
xam
ple
of a g
ood f
illet
weld
:
Weld
ing
Sym
bo
lsW
eld
ing
Sym
bo
ls
44
Weld
ing
Sym
bo
lsW
eld
ing
Sym
bo
ls
Wh
at
are
We
ldin
g S
ym
bo
ls?
Wh
at
are
We
ldin
g S
ym
bo
ls?
•W
eld
ing
sym
bo
ls g
ive
th
e w
eld
er
sp
ecific
in
str
uctio
ns a
bo
ut
the
w
eld
in
clu
din
g:
–Placement
•W
eld
ing
sym
bo
ls a
re
–Universally used
–Governed by the AWS
–Found on engineering
drawings
45
–Placement
–Size
–Length
–Process
–Any other special
notes
drawings
“How
to R
ead S
hop D
raw
ings”
ava
ilable
at w
ww
.jflf.
org
We
ldin
g S
ym
bo
lsW
eld
ing
Sym
bo
ls
•W
eld
ing
sym
bo
ls c
on
tain
in
form
atio
n a
bo
ut
the
w
eld
to
be
ma
de
46
we
ld t
o b
e m
ad
e
–S –
leg dim
ension of the weld
–Triangle –
the w
eld is to be m
ade on the arrow side of this joint
–Tail –any additional inform
ation required (i.e. position the weld
is to be m
ade)
–Arrow -the joint the w
elding symbol applies to
Weld
ing
Po
sit
ion
sW
eld
ing
Po
sit
ion
s
47
Weld
ing
Po
sit
ion
sW
eld
ing
Po
sit
ion
s
Wh
at
are
We
ldin
g P
os
itio
ns
?W
ha
t a
re W
eld
ing
Po
sit
ion
s?
•T
here
are
various p
ositio
ns t
hat a w
eld
can b
e m
ade in:
48
Weld
er
Resp
on
sib
ilit
ies
Weld
er
Resp
on
sib
ilit
ies
49
Resp
on
sib
ilit
ies
Resp
on
sib
ilit
ies
Wh
at
are
th
e
Re
sp
on
sib
ilit
ies
of
a W
eld
er?
Wh
at
are
th
e
Re
sp
on
sib
ilit
ies
of
a W
eld
er?
•W
eld
ers
ha
ve
ma
ny a
rea
s o
f im
po
rta
nt
resp
on
sib
ilitie
s
•T
he
se
re
late
to
:
–Arc W
elding Safety
–Knowledge –
Content
50
–Knowledge –
Content
–Attitude –
Reactions
–Skills –
Perform
ance
–Work Habits –
Daily Functions
Alw
ays
keep s
afe
ty in
min
d w
hen w
eld
ing
Arc
We
ldin
g S
afe
tyA
rc W
eld
ing
Sa
fety
•A
we
lde
r M
US
T a
lwa
ys f
ollo
w s
afe
wo
rk
pra
ctice
s:
–Students should read and understand the following before
welding:
�W
arn
ing L
abels
�M
ate
rial S
afe
ty D
ata
Sheets
(M
SD
S)
51
�M
ate
rial S
afe
ty D
ata
Sheets
(M
SD
S)
–Students should also be familiar with the following inform
ation
�‘S
afe
ty in W
eld
ing,
Cutt
ing,
and A
llied P
rocesses’ (A
NS
I Z
49.1
)
�Lin
coln
Ele
ctr
ic’s
‘A
rc W
eld
ing S
afe
ty’ (E
205)
Kn
ow
led
ge
-C
on
ten
tK
no
wle
dg
e -
Co
nte
nt
•W
eld
ing
ca
n t
ea
ch
yo
u a
bo
ut"
.–Sciencewhen applying
metallurgy, chemistry,
electricity, etc.
–Math
when calculating
angles, joint design, and
52
angles, joint design, and
weld size
–Englishwhen
communicating and
interpreting drawings,
codes, and procedures
–Technical areas when
perform
ing the actual
welding applications
How
much s
cie
nce a
nd
math
went
into
the
develo
pm
ent
of
this
bik
e?
Att
itu
de
Att
itu
de
•T
he b
est w
eld
ers
dem
onstr
ate
a c
an-d
o
att
itude w
hen p
erf
orm
ing
weld
ing p
rocesses
•T
his
means b
ein
g a
ble
to"
–Work as a team m
ember
53
–Work as a team m
ember
–Communicate ideas to others
–Listen to opinions of others
–Promote a positive attitude
–Provide solutions to problems
–Take pride in w
orkmanship
These w
eld
ers
work
togeth
er
to in
spect
a w
eld
.
Sk
ills
/Pe
rfo
rma
nc
eS
kil
ls/P
erf
orm
an
ce
•A
weld
er
must
dem
onstr
ate
technic
al
skill
s w
hen p
erf
orm
ing
weld
ing p
rocesses
•A
weld
er
must know
how
to
:
54
–Use hand tools and m
aterials,
to operate equipment in a safe,
accurate, and consistent
manner
–Acquire and evaluate
inform
ation needed for
problem solving
–Complete quality w
ork
–Maintain equipment
There
is n
o r
oom
for
poor
work
manship
in N
AS
CA
R
Wo
rk H
ab
its
/Da
ily F
un
cti
on
sW
ork
Ha
bit
s/D
ail
y F
un
cti
on
s
•A
weld
er
must pra
ctice g
ood
work
ing h
abits w
hen
perf
orm
ing w
eld
ing
pro
cesses
•T
his
means b
ein
g a
ble
to "
–Follow detailed verbal and
written instructions
55
written instructions
–Maintain workspace,
equipment, and tool
cleanliness
–Correctly fill out, m
aintain and
submit tim
e cards, work
assignment cards, and other
records as required
–Follow safe working practices
Agriculture
teachers
bru
sh
up o
n t
heir w
eld
ing s
kill
s a
t Lin
coln
Ele
ctr
ic’s
Weld
ing
Educato
r’s W
ork
shop
Weld
ing
Cert
ific
ati
on
Weld
ing
Cert
ific
ati
on
56
Weld
ing
Cert
ific
ati
on
Weld
ing
Cert
ific
ati
on
We
ldin
g C
ert
ific
ati
on
We
ldin
g C
ert
ific
ati
on
•W
hat is
a w
eld
ing c
ert
ific
ation?
–Welding certifications are used to test a w
elder’s knowledge and
welding skill
–Certifications are available for many different processes, materials, and
positions.
•W
ho c
ert
ifie
s w
eld
ers
?
57
–Certification programs are offered by m
any different types of
organizations:
�C
om
panie
s
�S
kill
ed T
rades
�M
ilita
ry
�S
hip
Build
ers
�P
ipelin
es
�T
he A
merican W
eld
ing S
ocie
ty
We
ldin
g C
ert
ific
ati
on
We
ldin
g C
ert
ific
ati
on
•H
ow
can y
ou b
ecom
e c
ert
ifie
d?
–Certification testing is available at testing facilities all over the
United States
–The AWS offers m
any certifications including: welders, welding
inspectors, and welding educators
•W
hat is
the v
alu
e o
f a w
eld
ing c
ert
ific
ation?
58
•W
hat is
the v
alu
e o
f a w
eld
ing c
ert
ific
ation?
–A welding certification proves that you have passed a test and are
qualified for the job
–As an AWS certified welder your name is kept in a national
database which is used to notify you of jobs open in your area
–It is a source of accomplishment and pride
En
gli
sh
, M
ath
, an
d
Scie
nce C
on
necti
on
En
gli
sh
, M
ath
, an
d
Scie
nce C
on
necti
on
59
Scie
nce C
on
necti
on
Scie
nce C
on
necti
on
En
gli
sh
, M
ath
, a
nd
Sc
ien
ce
Co
nn
ec
tio
n
En
gli
sh
, M
ath
, a
nd
Sc
ien
ce
Co
nn
ec
tio
n
•M
an
y o
f th
e s
am
e c
on
ce
pts
yo
u le
arn
in
oth
er
cla
sse
s a
re p
ractice
d in
we
ldin
g.
In
wh
at
oth
er
cla
sse
s m
igh
t yo
u s
tud
y th
e fo
llow
ing
te
rms?
�
75
/25
–g
as m
ixtu
re
�V
olts
�C
urr
en
t
�T
en
sio
n
�C
om
pre
ssio
n
60
�A
mp
s
�D
eg
ree
/hr
–co
olin
g r
ate
�In
/min
�A
ng
les/d
eg
ree
s
�M
eta
llurg
y
�F
ille
t siz
e
�C
om
pre
ssio
n
�T
en
sile
str
en
gth
�Y
ield
�B
lue
pri
nts
�D
ep
th/w
idth
ra
tio
�P
reh
ea
t te
mp
era
ture
�C
ub
ic fe
et p
er
ho
ur
Na
tio
na
l A
ca
de
mic
Sta
nd
ard
s
Cro
ss
wa
lk
Na
tio
na
l A
ca
de
mic
Sta
nd
ard
s
Cro
ss
wa
lk
•T
he
un
it ju
st
co
mp
lete
d h
as c
ove
red
pa
rts o
f a
ca
de
mic
co
nte
nt lis
ted
in
th
e N
atio
na
l A
ca
de
mic
Sta
nd
ard
s a
s fo
llow
s:
–NM-PROB.CONN.PK-12.3:Recognizes and applies
mathematics in contexts outside of mathematics.
61
mathematics in contexts outside of mathematics.
–NLA-STANDARD 1: U
ses the general skills and strategies of
the writing process.
–NLA-STANDARD 7: U
ses reading skills and strategies to
understand and interpret a variety of inform
ational texts.
–NS-PHYSICAL SCIENCE: (Experiences) interactions of energy
and m
atter.
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