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OK 68.53
SMAWType Basic-rutileOK 68.53 is a coated electrode for welding austenitic-ferritic steels of Super Duplex types, e.g. SAF 2507 and Zeron 100. OK 68.53 has good welding characteristics in all positions and the slag is easily detachable.Welding currentDC+, AC OCV 60 V
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EN ISO 3581-A
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E 25 9 4 N L R 3 2
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SFA/AWS A5.4
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E2594-16
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Werkstoff Nr.
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(1.4410)
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CE
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EN 13479
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DNV
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VdTüV
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07377
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C
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0,04
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Si
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0,55
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Mn
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0,8
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Cr
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25,25
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Ni
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9,8
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Mo
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4
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N
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0,25
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P
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0,025
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S
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0,015
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Cu
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0,75
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Yield stress, MPa700Tensile strength, MPa850Elongation, %30Elongation, %30Ferrite contentFN 35-50
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Charpy V
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Test temps, °C
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Impact values, J
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+20
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50
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-40
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40
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