Exaton

Exaton NiCrMo-3

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NiCrMo-3 welding wire is suitable for joining nickel-chromium-molybdenum nickel alloys and chromiumnickel-molybdenum steels with very high corrosion resistance in oxidizing, aqueous and high temperature environments such as 6Mo-steels, UNS N06625 (2.4856) and corresponding grades. It is also suitable for joining stainless steels and nickel alloys for high-temperature service. NiCrMo-3 can also be used for dissimilar joining of stainless steels to nickel alloys, for overlay welding and it is used for MIG/MAG welding. Applications for NiCrMo-3 are found in cryogenics, components subject to high temperature service up to 980°C (1800°F) such as aircraft ducting, engine exhaust systems, power boilers and recovery boilers and a diversity of seawater applications. The combination of strength and corrosion resistance over a wide range of temperatures is utilized in reaction vessels, line pipe distillation columns and heat exchangers.

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Typical Charpy V-Notch Properties

as welded

Typical Tensile Properties

ConditionElongationTensile Strength Yield Strength
PWHT49 %590 MPa (86 ksi)360 MPa (52 ksi)

Recommended Welding Parameters

Current Voltage Wire Diameter Wire Feed Speed
40-120 A 15-19 V 0.8 mm (0.030 in.) 4.0-8.0 m/min (157-315 in./min)
60-220 A 15-28 V 1.0 mm (0.040 in.) 4.0-12.0 m/min (157-472 in./min)
150-260 A 24-29 V 1.2 mm (0.047 in.) 3.0-10.0 m/min (118-394 in./min)
230-350 A 25-30 V 1.6 mm (1/16 in.) 3.0-5.0 m/min (118-197 in./min)

Deposition Data

Current Deposition Rate Diameter Voltage Wire Feed Speed
100-200 A 2.5-5.5 kg/h (5.5-12. lb/h) 1.0 mm (0.040 in.) 21-27 V 6.0-13.0 m/min (236-512 in./min)
160-280 A 3.6-6.0 kg/h (7.9-13. lb/h) 1.2 mm (0.047 in.) 24-30 V 6.0-10.0 m/min (236-394 in./min)
200-350 A 4.3-8.6 kg/h (9.5-19. lb/h) 1.6 mm (1/16 in.) 25-32 V 4.0-8.0 m/min (157-315 in./min)

Classifications

Wire Electrode SFA/AWS A5.14 : ERNiCrMo-3
EN ISO 18274 : S Ni 6625 (NiCr22Mo9Nb)
Werkstoffnummer : 2.4831

Approvals

Approvals BV Ni 6625
CE EN 13479
VdTÜV 19483
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Alloyed nickel (Ni + 22 % Cr + 9 % Mo - 3.5 % Nb)
Shielding Gas I1, I3, M12 (EN ISO 14175)

Typical Weld Metal Analysis %

Typical Wire Composition %
Al C Co Cr Cu Fe Mn Mo N Nb Nb+Ta Ni P S Si Ti
0.08 % 0.02 % 0.01 % 22 % 0.02 % 0.3 % 0.02 % 9 % 0.02 % 3.4 % 3.5 % 65.0 % 0.002 % 0.002 % 0.06 % 0.2 %
Typical Weld Metal Analysis %
0.05 % 0.023 % 0.01 % 21.5 % 0.01 % 1.69 % 0.05 % 8.9 % - 3.34 % 3.35 % 64 % 0.003 % 0.001 % 0.1 % 0.2 %
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