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OK Autrod NiCu-7

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A continuous solid nickel based electrode alloyed with 30 % Cu for welding of base materials of the same type. Can also be used to join these alloys to steel. The weld metal has good resistance to flowing seawater and has high strength and toughness over a rather wide temperature range. This alloy also has good resistance to hydrofluoric acid, sulfuric acid, alkalis etc. Can be used for welding of similar types of base materials which are age-hardenable with small additions of Ti and Al. Usable for cladding on carbon steel with an intermediate layer of OK Autrod Ni-1.

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Typical Tensile Properties

ConditionElongationTensile Strength Yield Strength
As Welded35 %520 MPa (75 ksi)300 MPa (44 ksi)

Deposition Data

Current Deposition Rate Diameter Voltage Wire Feed Speed
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 : ERNiCu-7
EN ISO 18274 : S Ni 4060 (NiCu30Mn3Ti)

Approvals

Approvals VdTÜV 12660 (MV)
VdTÜV 12668 (FP)
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Alloyed nickel (Ni + 30 % Cu + 2 % Ti + 2 % Fe)
Shielding Gas I3 (EN ISO 14175)

Typical Weld Metal Analysis %

Typical Wire Composition %
Al C Cu Fe Mn Nb Nb+Ta Ni P S Si Ta Ti
0.03 % 0.03 % 28 % 2 % 3 % - < 0.5 % 64 % - - 0.3 % - 2 %
Typical Weld Metal Analysis %
0.1 % 0.01 % 30 % 0.7 % 3.3 % 0.009 % 0.012 % 64 % 0.001 % 0.001 % 0.06 % 0.003 % 1.8 %
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Part Numbers and Accessories

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Part Numbers : OK Autrod NiCu-7
1993129820 Find a distributor
1993160300 Find a distributor
1993240300 Find a distributor

ESAB EQUIPMENT WARRANTIES ARE VALID ONLY WHEN PURCHASED THROUGH AN ESAB AUTHORIZED DEALERSHIP.

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