OK NiCrMo-3

ESAB

OK NiCrMo-3

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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.

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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

ConditionElongationShielding GasTensile Strength Yield Strength
As Welded35 %ISO780 MPa (113 ksi)500 MPa (73 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
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 %
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Part Numbers and Accessories

Part Numbers : OK NiCrMo-3
91732520L0 FIND A DISTRIBUTOR
91733230L0 FIND A DISTRIBUTOR
91734030G0 FIND A DISTRIBUTOR
91735030G0 FIND A DISTRIBUTOR
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