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OK Autrod 16.86
GMAW
A corrosion-resistant, 23% Cr, 9% Ni, 3% Mo electrode for the GMAW of austenitic-ferritic duplex stainless steels. OK Autrod 16.86 is usually welded with Ar/(1-3%)O2 as the shielding gas.
Welding current, A
DC(+)
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| Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | SFA/AWS A5.9 | | ER2209 | | EN 12072 | | G 22 9 3 N L |
| | DNV | For duplex stainless steels | |
| GL | 4462S | |
| RINA | Restricted availability | |
| Sepros | UNA 485179 | |
| UDT | DIN 8556 | |
| VdTÜV | | |
| | C | <0,03 | | Si | 0,5 | | Mn | 1,7 | | Cr | 22,5 | | Ni | 8,5 | | Mo | 3,3 | | Cu | <0,3 | | Wire composition |
| Yield stress, MPa
600
Tensile strength, MPa
765
Elongation, %
28
Elongation, %
28
Ferrite content
FN 45
Weld metal hardness, a w
240 HB
| Charpy V | | Test temps, °C | Impact values, J | | +20 | 100 | | -20 | 85 | | -60 | 60 |
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| Diameter, mm | 0,8 | 1,0 | 1,2 | 1,6 | | Arc voltage, V | 16-22 | 16-24 | 20-28 | 24-28 | | Welding current, A | 50-140 | 80-190 | 180-280 | 230-350 | | H. Kg weld metal/hour arc time | 0,8-2,7 | 1,1-3,1 | 2,6-4,5 | 3,0-5,2 | | Wire feed, m/min | 3,4-11,0 | 2,9-8,4 | 4,9-8,5 | 3,2-5,5 |
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