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OK 67.52
SMAW
Welding current, A
DC+, AC OCV 70 V
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| Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | EN 1600 | | E 18 8 Mn B 8 3 | | SFA/AWS A5.4 | | (E307-25) | | Werkstoff Nr. | | 1.4370 |
| | | C | <0,15 | | Si | 1,1 | | Mn | 6,0 | | Cr | 18,0 | | Ni | 9,0 | | Cu | <0,2 |
| Redrying temperature, °C
350
Redrying time, hours
2
Recovery
185%
Yield stress, MPa
420
Tensile strength, MPa
630
Elongation, %
45
Elongation, %
45
Ferrite content
FN <3
Machinability
Fair
| Charpy V | | Test temps, °C | Impact values, J | | +20 | 70 |
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| Diameter, mm | 2,5 | 3,2 | 4,0 | 5,0 | | Length, mm | 350 | 450 | 450 | 450 | | Arc voltage, V | 25 | 34 | 40 | 48 | | Welding current, A | 90-115 | 120-165 | 150-240 | 200-340 | | N. Kg weld metal/kg electrodes | 0,64 | 0,68 | 0,68 | 0,65 | | B. No. of electrodes/kg weld metal | 49,0 | 20,5 | 13,5 | 9,0 | | H. Kg weld metal/hour arc time | 1,4 | 2,3 | 3,7 | 6,0 | | T. Burn-off time, secs/electrode | 52 | 76 | 72 | 66 |
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