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COATED ELECTRODES
3.01
126
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 Types of electrodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 Storing and re-drying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 Classification and approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 Welding positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
GPO-302 N
General Purpose Electrode For Mild Steel . . . . . . 150
GPR-300H
High Recovery Electrode for Mild Steel . . . . . . . . 152
SPECIAL-303 N Double Coated Electrode for Mild
and Ship Quality Steel . . . . . . . . . . . . . . . . . . . . . . . . 154
LH-314 N
Low Hydrogen Electrode for Ship Quality Steel . . 156 LHH-314 H
High Recovery Low Hydrogen Electrode
for Ship Quality Steel . . . . . . . . . . . . . . . . . . . . . . . . 158 LHV-316 N
Vertical Down Welding Low Hydrogen
Electrode for Ship Quality Steel . . . . . . . . . . . . . . . 160
LHT-318 N
Electrode for High Temperature Steel . . . . . . . . . . 162
LHL-319 N
Electrode for Low Temperature Steel . . . . . . . . . . 164
LHR-320 N
Electrode for Weathering Steel . . . . . . . . . . . . . . . . 166 TENSILE-328 N Electrode for Difficult-to-Weld Steel . . . . . . . . . . . 168 IMPACT-329 S Electrode for Heat Resistant Overlays . . . . . . . . . . 170 WEARMAX-327 Electrode for Joining & Wear Resistant Overlays 172
18/8-321 N
Electrode for Stainless Steel . . . . . . . . . . . . . . . . . . 174
23/14-322 N
Electrode for Stainless Steel . . . . . . . . . . . . . . . . . . 176 DUPLEX-325 N Electrode for Duplex Steel . . . . . . . . . . . . . . . . . . . . 178 PICKLING GEL Pickling Gel for Stainless Steel . . . . . . . . . . . . . . . . 180
NIFE-334 N
Nickel Iron Electrode for Cast Iron . . . . . . . . . . . . . 182
NICKEL-333 N
Nickel Electrode for Cast Iron . . . . . . . . . . . . . . . . . 184
TINBRO-341
Electrode for Copper Alloys . . . . . . . . . . . . . . . . . . . 186 ALBRONZE-344 Electrode for Copper Alloys . . . . . . . . . . . . . . . . . . . 188 ALUMIN-351 N Electrode for Aluminum . . . . . . . . . . . . . . . . . . . . . . 190
CH-2-382
Electrode for Chamfering . . . . . . . . . . . . . . . . . . . . . 192
ACA-384
Electrode for Air Carbon Arc Gouging . . . . . . . . . . 194