OK 92.55
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
| Elongation | Tensile 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
| Classifications |
EN ISO 14172 : E Ni 6620 (NiCr14Mo7Fe) SFA/AWS A5.11 : ENiCrMo-6 |
Approvals
| 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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