Weltrode HS 7018-A1 AC-DC
AWS/ASME A 5.5 E7018-A1
ISO 3580 A : E Mo B 3 2 H5
Availability : In Stock
Premium Basic Coated Electrode For Welding Of 0.5 % Mo Alloyed Creep Resistant Steels .
- Special Formulated Low Hydrogen Coating Provides Weld Deposits With Excellent Crack Resistance And High Ductility .
- Good Creep Rupture Strength At Elevated Temperatures Upto 550° C .
- Recovery As High As 110 % Due To Addition Of Iron Powder .
- Porosity Free Welds With Good Arc Stability , Low Spatters And Easily Removable Slag .
- For Welding Of Molybedenum Alloyed Heat Resistant Steel , Creep Resistant Steels , Medium And High Tensile Alloy Steels Used For Boiler , Preassure Vessels , Tube Steels , Pipings Heavy Fabrication , Storage Tanks Etc .
| Tensile Strength | 81000 PSI | |||
| Yield Strength | 72000 PSI | |||
| Elongation | 24% | |||
| ISO - V (J) - 40° C | Min 60 | |||
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Clean Weld Area .
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Preheating , Interpass Temprature And Post Weld Treatment Depending On Base Metal .
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Arc Length Should Be Kept As Short As Possible .
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Avoid Excessive Wide Weaving .
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Stringer Beads Are Recommended Redry Electrodes at 300° C for 2 hrs.
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Use DC Reverse Polarity .