OK 67.70 E309LMo-17 Stainless Steel Welding Electrodes - 4.0 x 350mm 1/2 VP

Benefits:

Exceptional corrosion resistance: Weldments withstand harsh environments, ensuring long-lasting durability
Smooth and stable arc: Enables precise control and minimises spatter for professional-looking welds
Versatility: Weld dissimilar metals and create buffer layers for a wide range of applications
Easy to use: Suitable for both experienced welders and those new to MMA welding
Reliable performance: Vacuum packaging safeguards electrodes from moisture, guaranteeing consistent performance

Upgrade your welding projects with the ESAB OK 67.70 E309LMo-17 Stainless Steel Welding Electrodes, a premium choice for welding acid-resistant stainless steels to mild and low-alloyed steels. These versatile electrodes deliver exceptional results, making them ideal for professional welders and DIY enthusiasts alike.

Features
Over-alloyed weld metal: Ensures excellent corrosion resistance in your welds, particularly for applications exposed to harsh environments
Acid rutile MMA electrode: Provides a smooth and stable arc for superior weldability and control
Suitable for dissimilar metal welding: Bonds acid-resistant stainless steels to mild and low-alloy steels seamlessly
Ideal for buffer layers: Creates a strong and compatible foundation when surfacing mild steel with acid-resistant stainless steel weld metal
Multiple diameter options: Choose from a variety of diameters to suit your specific project requirements
Vacuum packed: Electrodes are protected from moisture for optimal performance and extended shelf life

Ordering
Part No.
Description
6770202030
OK 67.70 2.0x300mm - DISCONTINUED
6770252030
OK 67.70 2.5x300mm - 10.2kg - 6 Packs
6770323020
OK 67.70 3.2x350mm *
6770403020
OK 67.70 4.0x350mm *
67702020L0
OK 67.70 2.0x300mm 1/4 VP - 4.2kg - 6 Packs
6330503020
OK 67.70 2.5x300mm 1/4 VP - 12.3kg - 3 Packs
67703230T0
OK 67.70 3.2x350mm 1/2 VP - 5.4kg - 3 Packs
67704030G0
OK 67.70 4.0x350mm 1/2 VP - 10.2kg - 6 Packs
67705030G0
OK 67.70 5.0x350mm 1/2 VP - 10.8kg - 6 Packs

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Applications
Dissimilar Metal Welding: Joining acid-resistant stainless steels to mild and low-alloy steels
Buffer Layer Creation: Building a strong foundation when surfacing mild steel with acid-resistant stainless steel weld metal
Repair Welding: Repairing damaged or worn stainless steel components
Fabrication of Stainless Steel Structures: Constructing stainless steel structures and equipment
Maintenance and Overhaul: Maintaining and repairing stainless steel machinery and equipment
Specifications

Classifications
EN ISO 3581-A : E 23 12 2 L R 3 2
SFA/AWS A5.4 : E309LMo-17
CSA W48 : E309LMo-17
Werkstoffnummer : 1.4459

Approvals
ABS : SS to C-CMn steels
BV : 309Mo
CE : EN 13479
CWB : E309LMo-17
DB : 30.039.05
DNV-GL : VL 309 Mo
LR : SS/CMn
RINA : 309MO
UKCA : EN 13479
VdTÜV : 02424

Welding Current
DC+, AC
Ferrite Content
FN 12-22
Alloy Type
Austenitic CrNi
Coating Type
Acid Rutile
Min AC OCV
55

Typical Tensile Properties
Condition
Yield Strength
Tensile Strength
Elongation
ISO

As Welded
510 MPa
610 MPa
32 %

Typical Weld Metal Analysis %
C
Mn
Si
Ni
Cr
Mo
N
FN WRC-92
0.02
0.6
0.8
13.4
22.5
2.8
0.09
18

Deposition Data
Diameter
CurrentVoltage
Efficiency (%)
Fusion time per electrode at 90% I max
Deposition Rate
2.0 x 300 mm
40-60 A
26 V
58 %
48 sec
0.6 kg/h
2.5 x 300 mm
50-90 A
29 V
57 %
45 sec
0.9 kg/h
3.2 x 350 mm
60-120 A
27 V
59 %
61 sec
1.4 kg/h
4.0 x 350 mm
85-180 A
31 V
61 %
56 sec
2.0 kg/h
5.0 x 350 mm
110-250 A
30 V
59 %
64 sec
2.7 kg/h

Take your welding skills to the next level and achieve superior results with ESAB OK 67.70 E309LMo-17 Stainless Steel Welding Electrodes. Order yours today!