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.


Typical Charpy V-Notch Properties

As Welded
Impact Value 67 ft-lb
Impact Value 91 J
Shielding Gas ISO
Testing Temperature -321 °F
Testing Temperature -196 °C

Typical Tensile Properties

ConditionElongationShielding GasTensile Strength Yield Strength
As Welded40 %ISO727 MPa (105 ksi)445 MPa (65 ksi)

Deposition Data

Current Fusion time per electrode at 90% I max Deposition Rate @ 90% I max Diameter Deposition Efficiency (%) Number of electrodes/kg weld metal Voltage
65-115 A 70 sec 1.1 kg/h (2,4 lb/h) 2.5 x 350.0 mm (0.098 x 13,8 in.) 70 % 55 23 V
70-150 A 68 sec 1.5 kg/h (3,3 lb/h) 3.2 x 350.0 mm (1/8 x 13,8 in.) 66 % 34 22 V
120-200 A 82 sec 1.9 kg/h (4,2 lb/h) 4.0 x 350.0 mm (5/32 x 13,8 in.) 67 % 23 22 V
150-240 A 91 sec 2.8 kg/h (6,2 lb/h) 5.0 x 350.0 mm (0.197 x 13,8 in.) 68 % 14 23 V

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 Equivalent to SFA/AWS A5.11 ENiCrMo-6
CE EN 13479
ClassNK KMWL92
DNV-GL VL 1.5Ni up to VL 9Ni
KR L 91
LR 9Ni
NAKS/HAKC 2.5-4.0 mm
RINA N90
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 %

*See certificates for details.

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How to purchase OK 92.55

We are as eager to put ESAB product in your hands as you are to have them. That is why we sell our products through distributors who will give you the attention, support, and value you deserve. Their expertise will make sure you are happy with the purchasing process.

To find an ESAB distributor, just use the distributor locator tool featured on every page of our site. Alternatively, you can call our support line at +65 6318 2608. You can also email us at machines@esabasia.com or consumables@esabasia.com and we will point you in the right direction.

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