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HENKEL, INC.
Manufacturer of KEEN Ovens
Quality Since 1923.
Phone (985) 345-2171
Fax (985) 345-5653
PO Box 1322
Hammond, Louisiana
70401
Flux and Electrode Stabilizing Guide
After Exposure to Moisture a
Sufficient Time to affect Weld Quality
Type (AWS)
Air Conditioned
Storage
Before Opening
Dry Rod
Oven Holding
After Opening
Recondition
Step 1
Rebake
Step 2
180°F ± 25°
two hours
240°F ± 25°
one hour
Standard
EXX10
EXX11
EXX12
EXX13
EXX20
EXX30
80°F ± 20°
60% ± 10% RH
140°F ± 30°
Three hour total
180°F ± 25°
two hours
325°F ± 25°
one hour
Iron Powder
EXX14
EXX24
EXX27
90°F ± 20°
50% RH max
140°F ± 30°
Three hour total
180°F ± 25°
two hours
700°F ± 100°
one-half hour
Iron Powder-
Low Hydrogen
EXX18
EXX28
90°F ± 20°
50% RH max
400°F ± 50°
Two & one-half hour total
180°F ± 25°
two hours
600°F ± 100°
one-half hour
Low Hydrogen
EXX15
EXX16
90°F ± 20°
50% RH max
400°F ± 50°
Two & one-half hour total
180°F ± 25°
two hours
700°F ± 100°
one-half hour
Low-Hydrogen
High Tensile
EXXX15
EXXX16
90°F ± 20°
50% RH max
400°F ± 50°
Two & one-half hour total
180°F ± 25°
one hour
350°F ± 50°
one hour
Stainless
Inconel
Monel
Nickel
Brasses
Bronzes
Hard Surfacing
Special Alloys
90°F ± 20°
50% RH max
225°F ± 50°
Two hour total
Granulated or
Agglomerated
Flux
90°F ± 20°
50% RH max
240° F ± 50°
Not required
700°F ± 100° ∅
two hours
CONTACT YOUR ELECTRODE MANUFACTURER FOR SPECIFIC INFORMATION INVOLVING
CRITICAL OPERATIONS.
Electrode coating should not be exposed to the rebaking temperature without first having been reconditioned at a lower
temperature. Failure to observe this rule will result in breakdown of electrode coatings.
After rebake
,
lower tem
p
erature to holdin
g
level until reissue.
Note: In the HTS
Stainless electrode
groups, and 15 & 16
type coatings, there can
be a greater difference
in the maximum
temperature
requirements for
rebaking than those
shown. This can be
handled by special
request to the particular
manufacturer involved.
IMPORTANT:
This table is offered as a
guide to proper storage
and oven holding
temperatures for the
most common electrodes
in use today. In
addition,
recondition/rebake
procedures for electrode
coatings that have been
exposed to moisture for
a sufficient period of
time to affect the weld
quality are included.
Good judgment and the
manufacturer’s
recommendations should
be your guide.