Weltrode 1442 AC-DC
AWS /ASME A5.4 E 2553-16
Sizes :
2.5 x 350 mm
3.2 x 350 mm
4.0 x 350 mm
Availability : In Stock
Rutile Coated Premium Electrode For Welding Ferritic-Austenitic Cr-Ni-Mo Duplex Stainless Steel .
- Nitrogen In Weld Deposits Provides High Resistance To Pitting & Stress Corrosion Cracking In Chloride Bearing Medias .
- Weld Deposit is 25Cr, 7.5Ni, 3.4Mo , 2Cu , 0.17Ni .
- Weld Deposits Exhibit High Ductility And Exceptional Strength .
- Welder Friendly Electrode With Good Strike-Restrike & Slag Removal .
- Can Be Used On Both AC & DC Machines .
- Fine Riepled With Good Fusion Of Joint Faces .
- Radiographic Quality Welds .
- For Welding Of Acid Tanks & Pipes In Chemical , Oil & Gas , Offshore , Ship Building , Paper & Desalination Industries .
| Tensile Strength | 112000 PSI | |||
| Yield Strength | 92000 PSI | |||
| Elongation | 30% | |||
| FN | 35 - 55 | |||
| PREN | >40 | |||
| Impact Strength | 37J @ -40° | |||
-
Clean Weld Area .
-
The Material To Be Welded Should Be Free Of Oil , Grease And Dust .
-
Maintain a Interpass Temp of 150°C Max And Maximum Heat Input Be 2.5kJ/mm .
-
Arc Length Should Be Kept As Short As Possible .
-
Avoid Excessive Wide Weaving .
-
Stringer Beads Are Recommended .
-
If Necessary Redry Electrodes At 250° C For One Hour Before Use .
-
DC Reverse Polarity (Electrode +Ve ) Or AC .