OK 63.20

OK 63.20

Rutile coated electrode for welding 18Cr12Ni3Mo -type steels. Also suitable for welding stabilized steels of similar composition. The electrode is especially designed for welding of thin walled pipes. Diameters 1.6 - 2.5mm. It can be used in all positions including vertical down.

OK 63.20

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Performance Benefits

Over the last few decades, a significant amount of applications that were traditionally welded with covered electrodes have been transferred to more productive methods, such as submerged arc and flux cored welding. However, for applications where flexibility is essential, the covered electrode is often the best solution. ESAB stainless steel covered electrodes provide great quality, consistency, and corrosion-resistance in a full line of grades.

Electrode Types for Stainlesss Steel

Covered electrodes for stainless steel welding are categorized according to their coating composition into: rutile (easiest to use), basic (for more demanding applications), and high deposition (contains high amounts of iron powder in the coating for high productivity) types.

Factory Fresh Stainless Steel Electrodes, Straight from the Pack

ESAB's VacPac™ packaging is hermetically sealed and vacuum-packed to protect covered electrodes from moisture pick up and re-absorption from the air. All of ESAB's stainless steel electrodes are supplied in VacPac, ranging from 0.7 kg (1.5 lb) to 2 kg (4.4 lb) in 3-6 package cartons.

The small diameter electrodes are supplied in a smaller outer package CT in order to suit fabricator consumption, simplify storage and handling, and reduce overall investment.

Specifications

Specifications
Classifications	EN ISO 3581-A : E 19 12 3 L R 1 1 SFA/AWS A5.4 : E316L-16 CSA W48 : E316L-16 Werkstoffnummer : 1.4430
Approvals	CE : EN 13479 CWB : E316L-16 UKCA : EN 13479 VdTÜV : 09716

Approvals are based on factory location. Please contact ESAB for more information.

Welding Current	DC+, AC
Ferrite Content	FN 3-10
Alloy Type	Austenitic CrNiMo
Coating Type	Acid Rutile
Min AC OCV	50

Typical Tensile Properties
Condition	Yield Strength	Tensile Strength	Elongation
ISO
As Welded	480 MPa	590 MPa	41 %

Typical Charpy V-Notch Properties
Condition	Testing Temperature	Impact Value
ISO
As Welded	20 °C	56 J
As Welded	-60 °C	46 J

Typical Weld Metal Analysis %
C	Mn	Si	Ni	Cr	Mo	N	FN WRC-92
0.02	0.7	0.7	12.1	18.4	2.8	0.11	4

Deposition Data
Diameter	Current	Voltage	Efficiency (%)	Fusion time per electrode at 90% I max	Deposition Rate
1.6 x 300 mm	15-40 A	23 V	63 %	53 sec	0.3 kg/h
2.0 x 300 mm	18-60 A	25 V	62 %	49 sec	0.5 kg/h
2.5 x 300 mm	25-80 A	22 V	63 %	54 sec	0.8 kg/h
3.2 x 350 mm	55-110 A	26 V	60 %	65 sec	1.2 kg/h