Exaton 23.12.2.LR is a high alloyed chromium-nickel-molybdenum covered electrode with rutile coating for welding of dissimilar joints between stainless steel and mild or low alloyed steels. It is also used to create buffer layers with a composition of 18%Cr/8%Ni/2%Mo before overlay alloys are deposited. The electrode has excellent arc stability, low spatter and fast burn off rate with minimal stub loss. It is also characterized by improved moisture resistance, self peeling slag, easy post weld finishing. Exaton 23.12.2.LR gives smooth uniform beads and works in any standard weld position. Typical applications are welding of stainless steels to mild or low alloy steels, buffer layers on low alloy steels before overlays of 316 composition, welding of medium carbon hardenable steels e g armor plate.
Typical Charpy V-Notch Properties
|as welded iso|
Typical Tensile Properties
|Condition||Elongation||Shielding Gas||Tensile Strength||Yield Strength|
|As Welded||30 %||ISO||790 MPa (115 ksi)||560 MPa (81 ksi)|
|Current||Deposition Rate @ 90% I max||Diameter||Deposition Efficiency (%)||Number of electrodes/kg weld metal||Voltage|
|50-90 A||45 sec||0.9 kg/h (2.0 lb/h)||2.5 x 300.0 mm (0.098 x 11.8 in.)||57 %||94||29 V|
|60-120 A||61 sec||1.4 kg/h (3.1 lb/h)||3.2 x 350.0 mm (1/8 x 13.8 in.)||59 %||47||27 V|
|85-180 A||56 sec||2.0 kg/h (4.4 lb/h)||4.0 x 350.0 mm (5/32 x 13.8 in.)||61 %||32||31 V|
|110-250 A||64 sec||2.7 kg/h (6.0 lb/h)||5.0 x 350.0 mm (0.197 x 13.8 in.)||59 %||20||30 V|
EN ISO 3581-A : E 23 12 2 L R 3 2
SFA/AWS A5.4 : E309LMo-17
Werkstoffnummer : 1.4459
CE EN 13479
DNV-GL VL 309 MoL
|Approvals are based on factory location. Please contact ESAB for more information.|
|Alloy Type||Austenitic CrNi|
|Coating Type||Acid Rutile|
|Ferrite Content||FN 12-22|
|Welding Current||DC+, AC|
Typical Weld Metal Analysis %
|Typical Weld Metal Analysis %|
|0.02 %||23 %||0.07 %||18 %||0.8 %||2.6 %||0.08 %||12.5 %||0.021 %||0.014 %||0.9 %|
How to purchase Exaton 23.12.2.LR
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