OK 92.55


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.

Typical Charpy V-Notch Properties

Conditional Statement As welded
Impact Value 52 ft-lb
Impact Value 70 J
Testing Temperature -321 degF
Testing Temperature -196 degC

Typical Tensile Properties

ElongationTensile Strength Yield Strength
35 %690 MPa (100 ksi)430 MPa (62 ksi)

Deposition Data

Current Deposition Rate Diameter Number of electrodes/kg weld metal Voltage kg weld metal/kg electrodes
65-115 A 70 hr 1.1 kg/h(2.4 lb/h) 2.5 x 350 mm(3/32 x 14 in.) 55 23 V 0.70(1.5 lb)
70-150 A 68 hr 1.5 kg/h(3.3 lb/h) 3.2 x 350 mm(1/8 x 14 in.) 34 22 V 0.66(1.4 lb)
120-200 A 82 hr 1.9 kg/h(4.2 lb/h) 4.0 x 350 mm(5/32 x 14 in.) 23 22 V 0.67(1.5 lb)
150-240 A 91 hr 2.8 kg/h(6.2 lb/h) 5.0 x 350 mm(3/16 x 14 in.) 14 23 V 0.68(1.5 lb)


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


Approvals ABS ENiCrMo-6
BV N50
CE EN 13479
DNV For welding NV 1,5Ni to NV 5Ni
GL NiCr14Mo7Fe
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 %

C Cr Cu Fe Mn Mo Nb Ni Si W
0.05 % 13 % < 0.3 % 5 % 3 % 6.25 % 1.30 % 70 % 0.40 % 1.60 %

Extra Info

*See certificates for details.


How to purchase OK 92.55

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Part Numbers and Accessories

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