OK 68.81 E312-17 Stainless Steel Welding Electrodes - 3.2 x 350mm 1/2 VP

Benefits

Achieve strong, crack-resistant welds on various steels
Weld with minimal spatter and easy slag removal for a clean finish
Suitable for use in high-temperature environments
Weld in multiple positions for increased application flexibility

Stainless Steel Welding Electrodes For Dissimilar Reduced Weldability Steels
ESAB OK 68.81 E312-17 stainless steel welding electrodes are a high-alloy option that deposits a ferritic-austenitic duplex weld metal with approximately 40% ferrite content. This metal offers superior resistance to stress corrosion cracking and is highly insensitive to dilution, making it a versatile choice for various welding applications.

Features
Excellent resistance to stress corrosion cracking
Highly insensitive to dilution
Good scaling resistance up to 1150°C (2102°F)
All-position welding capability for downhill, horizontal, uphill, vertical up, and vertical down positions
AC or DC (positive polarity) welding operation

Ordering
Part No.
Description
68812020L0
OK 68.81 2.0x300mm 1/4 VP - 3.6kg - 6 Packs
68812520L0
OK 68.81 2.5x300mm 1/4 VP - 4.2kg - 6 Packs
68813230T0
OK 68.81 3.2x350mm 1/2 VP - 5.1kg - 3 Packs
68814030G0
OK 68.81 4.0x350mm 1/2 VP - 10.8kg - 6 Packs
68815030G0
OK 68.81 5.0x350mm 1/2 VP - 10.2kg - 6 Packs

Applications
Joining dissimilar steels
Welding steels with reduced weldability
Buffer layers before hardfacing
Applications include rolls, forging dies, hot-work tools, and dies for plastics

Specifications
Classifications
EN 14700 : E Fe11
EN ISO 3581-A : E 29 9 R 3 2
SFA/AWS A5.4 : E312-17
Werkstoffnummer : 1.4337
Approvals
CE : EN 13479
UKCA : EN 13479
Welding Current
DC+, AC
Ferrite Content
FN 30 - 50
Alloy Type
Stainless duplex
Coating Type
Acid Rutile
Min AC OCV
60

Typical Tensile Properties
Condition
Yield Strength
ensile Strength
Elongation

AWS
As Welded
610 MPa
790 MPa
25 %

Typical Charpy V-Notch Properties
Condition
Testing Temperature
Impact Value

AWS
As Welded
20 °C
30 J

Typical Weld Metal Analysis %
C
Mn
Si
Ni
Cr
Mo
N
FN WRC-92

0.13
0.9
0.7
10.2
28.9
0.04
0.09
40

Deposition Data
Diameter
Current
Voltage
Efficiency (%)
Fusion time per electrode at 90% I max
Deposition Rate
5.0 x 300 mm
40-60 A
22 V
64 %
41 sec
0.7 kg/h
2.5 x 300 mm
50-85 A
24 V
64 %
48 sec
0.9 kg/h
3.2 x 350 mm
60-125 A
25 V
62 %
65 sec
1.3 kg/h
4.0 x 350 mm
80-175 A
26 V
62 %
66 sec
2.0 kg/h
5.0 x 350 mm
150-240 A
28 V
65 %
68 sec
3.2 kg/h

Take your welding projects to the next level with ESAB OK 68.81 E312-17 stainless steel welding electrodes. Order yours online today and experience the difference of superior weld quality and versatility.