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OK 63.20
SMAW
Type Rutile
OK 63.20 is an electrode designed for welding 304/316L steel types and also stabilized steels like 321/347. Diameters 1.6-2.5 mm can be used in all positions when welding root runs in butt weld and thin plates in general.
Welding current, A
DC+, AC OCV 50 V
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| Classifications | Approvals | Typical all weld metal composition | Typical properties all weld metal | | EN 1600 | | E 19 12 3 L R 1 1 | | SFA/AWS A5.4 | | E316L-16 | | Werkstoff Nr | | 1.4430 | | CSA W48 | | E316L-16 |
| | CWB | CSA W48 | |
| Sepros | UNA 409820 | |
| VdTÜV | 09716 | |
| CE | EN 13479 | |
| | C | <0,03 | | Si | <0,9 | | Mn | 0,9 | | Cr | 18,3 | | Ni | 12,0 | | Mo | 2,8 | | Cu | <0,3 |
| Redrying temperature, °C
350
Redrying time, hours
2
Recovery
94-106
Yield stress, MPa
480
Tensile strength, MPa
590
Elongation, %
35
Elongation, %
35
Ferrite content
FN 3-10
| Charpy V | | Test temps, °C | Impact values, J | | +20 | 56 | | -60 | 48 |
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| Diameter, mm | 1,6 | 1,6 | 2,0 | 2,0 | 2,5 | 3,2 | | Length, mm | 300 | 265 | 300 | 265 | 300 | 350 | | Arc voltage, V | 23 | 23 | 25 | 22 | 22 | 26 | | Welding current, A | 15-40 | 15-40 | 18-60 | 18-60 | 25-80 | 55-110 | | N. Kg weld metal/kg electrodes | 0,63 | 0,52 | 0,62 | 0,65 | 0,63 | 0,60 | | B. No. of electrodes/kg weld metal | 227 | 249 | 152 | 167 | 96 | 52 | | H. Kg weld metal/hour arc time | 0,3 | 0,3 | 0,5 | 0,6 | 0,8 | 1,2 | | T. Burn-off time, secs/electrode | 53 | 48 | 49 | 44 | 54 | 65 |
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