318 (Electr.) · 776MTC0006
coated electrode, 5,0 mm Ø, 450 mm long, 150 - 190 A, content = 55 pcs / 6 kg, DIN 8556: E 19 12 3 Nb R 23+, material-Nr: corresponds 1.4576, AWS/ASME SFA-5.4: similar E 318 - 16, B.S.2906: 19 12 3 Nb R, NF A 81 -343: EZ 19 12 3 Nb R 23, EN 1600: E 19 12
Description
| Rutile coated Rod electrodes for welding of stainless austenitic steels. Weld metal made of stabilised chrome-nickel-molybdenum steel for operating temperatures up to +400°C, cold-tough down to -60°C. DIN 8556: E 19 12 3 Nb R 23+, material no.: equivalent to 1.4576, AWS/ASME SFA-5.4: similar to E 318 - 16, B.S.2906: 19 12 3 Nb R, NF A 81 -343: EZ 19 12 3 Nb R 23, EN 1600: E 19 12 3 Nb R 12. |
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| Most important base materials
Stainless austenitic Cr-Ni-Mo steel/cast steel |
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| Directional analysis of the pure weld metal in % |
| C | Si | Mn | Cr | Mo | Ni | (Nb+Ta) | | 0,04 | 0,9 | 0,7 | 18,3 | 2,5 | 12,0 | max 8x%C | |
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| Microstructure
Austenite with delta ferrite |
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| Special notes
Slag particularly easy to remove. Dark coating next to the seam can be removed by chloride-free pickling. Shell insensitive to moisture absorption. Weld metal is not polishable. |
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| Re-drying
Generally not necessary. However, the cladding can withstand re-drying up to +350°C. |
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