OK NiCrMo-3
Ni-based CrMoNb electrode for welding of Ni-alloys of the same or similar type as e.g. Inconel 625, for welding of 5% and 9% Ni steel. The electrode is very suitable for welding of 254 SMO, i.e. UNS S31254 steel.
Typical Charpy V-Notch Properties
| Impact Value | Testing Temperature | |||
| as welded iso | ||||
| 50 J (37 ft-lb) | -196 degC (-321 degF) | |||
| 70 J (52 ft-lb) | 20 degC (68 degF) | |||
Typical Tensile Properties
| Condition | Elongation | Shielding Gas | Tensile Strength | Yield Strength |
| As Welded | 35 % | ISO | 780 MPa (113 ksi) | 500 MPa (73 ksi) |
Deposition Data
| Current | Deposition Rate @ 90% I max | Diameter | Deposition Efficiency (%) | Number of electrodes/kg weld metal | Voltage | |
| 55-75 A | 40 sec | 0.9 kg/h (2,0 lb/h) | 2.5 x 300.0 mm (0.098 x 11,8 in.) | 55 % | 100 | 23 V |
| 65-100 A | 52 sec | 1.4 kg/h (3,1 lb/h) | 3.2 x 350.0 mm (1/8 x 13,8 in.) | 56 % | 49 | 25 V |
| 80-140 A | 57 sec | 1.9 kg/h (4,2 lb/h) | 4.0 x 350.0 mm (5/32 x 13,8 in.) | 58 % | 33 | 27 V |
| 120-170 A | 72 sec | 2.1 kg/h (4,6 lb/h) | 5.0 x 350.0 mm (0.197 x 13,8 in.) | 58 % | 21 | 24 V |
Classifications
| Classifications |
SFA/AWS A5.11 : ENiCrMo-3 EN ISO 14172 : E Ni 6625 (NiCr22Mo9Nb) |
Approvals
| Approvals |
CE EN 13479 DNV-GL -H5 NAKS/HAKC 2.5-4.0 mm VdTÜV 12414 |
| Approvals are based on factory location. Please contact ESAB for more information. |
Consumable Characteristics
| Alloy Type | Ni-based CrMoNb |
| Coating Type | Basic |
| Ferrite Content | FN 0 |
| Welding Current | DC+ |
Typical Weld Metal Analysis %
| Typical Weld Metal Analysis % | ||||||||||||||
| C | Cr | Fe | Mn | Mo | Nb | Ni | Si | |||||||
| 0.03 % | 21.7 % | 2.0 % | 0.2 % | 9.3 % | 3.3 % | 62.8 % | 0.4 % | |||||||