OK 92.55

ESAB

OK 92.55

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OK 92.55 is an all-positional, basic coated electrode which deposits a NiCr-based alloy with additions of Mo, W and Nb. The electrode is specifically designed for welding 9%Ni steels for cryogenic applications down to -196°C.

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Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded aws
-196 degC
as welded iso
91 J -196 degC

Typical Tensile Properties

Condition As Welded As Welded
Shielding Gas AWS ISO
Tensile Strength 727 MPa
Yield Strength 445 MPa
Elongation 40 %

Deposition Data

Current Deposition Rate Diameter Number of electrodes/kg weld metal Voltage kg weld metal/kg electrodes
65-115 A 70 sec 1.1 kg/h 2.5 x 350 mm 55 23 V 0.70
70-150 A 68 sec 1.5 kg/h 3.2 x 350 mm 34 22 V 0.66
120-200 A 82 sec 1.9 kg/h 4.0 x 350 mm 23 22 V 0.67
150-240 A 91 sec 2.8 kg/h 5.0 x 350 mm 14 23 V 0.68

Classifications

Classifications SFA/AWS A5.11 : ENiCrMo-6
EN ISO 14172 : E Ni 6620 (NiCr14Mo7Fe)

Approvals

Approvals ABS ENiCrMo-6
(2.5-4.0 mm) : BV N50 and 9Ni*
CE EN 13479
DNV-GL VL 1.5Ni up to VL 9Ni*
LR 9Ni
NAKS/HAKC 2.5-4.0 mm
RINA VL 1.5Ni up to VL 9Ni*
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Ni-based CrMoNb
Coating Type Basic
Welding Current AC, DC+-

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Fe Mn Mo Nb Ni Si W
0.05 % 12.9 % 5.0 % 3.0 % 6.2 % 1.3 % 69.4 % 0.3 % 1.6 %

Extra Info

*See certificates for details.

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Part Numbers and Accessories

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Part Numbers : OK 92.55
OK 92.55 2.5x350mm 1/4 VP 92552530K0 FIND A DISTRIBUTOR
OK 92.55 3.2x350mm 1/2 VP 92553230G0 FIND A DISTRIBUTOR
OK 92.55 4.0x350mm 1/2 VP 92554030G0 FIND A DISTRIBUTOR
OK 92.55 5.0x350mm 1/2 VP 92555030G0 FIND A DISTRIBUTOR
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