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SAFETY INSTRUCTIONS AND' WARNINGS
Eye protection'filter shade selector for welding or cutting (goggles or
helmet), from AWS A6.2-73.
Welding or Cutting
Operation
Electrode Size
Metal Thickness or
Welding Current
Filter Shade
Number
Torch soldering
-
2
Torch brazing
-
3 or 4
Oxygen cutting
Light
Under 1 in., 25 mm
3 or 4
Medium
1 to 6 in., 25-150 mm
4 or 5
Heavy
Over 6 in., 150 mm
5 or 6
Gas welding
Light
Under 1/8 in., 3 mm
4 or 5
Medium
1/8 to 1/2 in., 3-12 mm
5 or 6
Heavy
Over 1/2 in., 12 mm
6 or 8
Shielded metal-arc
Under 5/32 in., 4 mm
10
welding (stick)
5/32 to 1/4 in., 4 to 6.4 mm
12
electrodes
Over 1/4 in., 6.4 mm
14
Gas metal-arc
welding (MIG)
Non-ferrous base metal
All
11
Ferrous base metal
All
12
Gas tungsten arc
All
12
welding (TIG)
Atomic hydrogen welding
All
12
Carbon arc welding
All
12
Plasma arc welding
All
12
Carbon arc air gouging
Light
12
Heavy
14
Plasma arc cutting
Light
Under 300 Amp
9
Medium
300 to 400 Amp
12
Heavy
Over 400 Amp
14
WARNING
THE
USE
OF
GAS
WELDING
GOGGLES
CAN
CAUSE
EYE
DAMAGE
WHEN
ARC
WELDING
OR
CUTTING.
Use
helmet
with
proper
lens
shade
instead.
Always
lower
the
helmet
before
striking
the
arc.
Wear
safety
glasses with side shields under the
helmet to protect the eyes from fly
ing
particles
and
side
arc
flashes
when the helmet is up.
Protect the eyes of other people in
the
area
by
use
of
opaque,
non
reflecting and non-flammable screens
around
your
welding
station.
Allow
good
air
circulation,
especially
at
floor
level.
Do
not
permit
anyone
to
view
the
arc
unless
he
uses
a
correct handshield, or helmet.
Instruction 910081
X0056 - Jan 21/81 Revised
June 2/87 Revised
Page 3
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